diff --git a/arch/xtensa/src/esp32/esp32_start.c b/arch/xtensa/src/esp32/esp32_start.c
index bde7ef8624d76..0422dd7a3e532 100644
--- a/arch/xtensa/src/esp32/esp32_start.c
+++ b/arch/xtensa/src/esp32/esp32_start.c
@@ -51,7 +51,7 @@
  ****************************************************************************/
 
 #ifdef CONFIG_DEBUG_FEATURES
-#  define showprogress(c)     up_puts(c)
+#  define showprogress(c)     up_putc(c)
 #else
 #  define showprogress(c)
 #endif
@@ -220,7 +220,7 @@ static noreturn_function void __esp32_start(void)
   xtensa_earlyserialinit();
 #endif
 
-  showprogress("A");
+  showprogress('A');
 
 #if defined(CONFIG_ESP32_SPIRAM_BOOT_INIT)
   if (esp_spiram_init() != OK)
@@ -252,7 +252,7 @@ static noreturn_function void __esp32_start(void)
 
   esp32_board_initialize();
 
-  showprogress("B");
+  showprogress('B');
 
   /* For the case of the separate user-/kernel-space build, perform whatever
    * platform specific initialization of the user memory is required.
@@ -262,7 +262,7 @@ static noreturn_function void __esp32_start(void)
 
 #ifdef CONFIG_BUILD_PROTECTED
   esp32_userspace();
-  showprogress("C");
+  showprogress('C');
 #endif
 
   /* Bring up NuttX */
diff --git a/boards/xtensa/esp32/esp32-audio-kit/configs/audio/defconfig b/boards/xtensa/esp32/esp32-audio-kit/configs/audio/defconfig
index 74b2b43775ef7..0038e2c7fc198 100644
--- a/boards/xtensa/esp32/esp32-audio-kit/configs/audio/defconfig
+++ b/boards/xtensa/esp32/esp32-audio-kit/configs/audio/defconfig
@@ -108,6 +108,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NXPLAYER=y
diff --git a/boards/xtensa/esp32/esp32-audio-kit/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-audio-kit/configs/nsh/defconfig
index 6f19fa933ab8d..49d27058fe9a4 100644
--- a/boards/xtensa/esp32/esp32-audio-kit/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-audio-kit/configs/nsh/defconfig
@@ -40,5 +40,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-audio-kit/configs/wifi/defconfig b/boards/xtensa/esp32/esp32-audio-kit/configs/wifi/defconfig
index 23a7585426f3a..dc09cac1573ac 100644
--- a/boards/xtensa/esp32/esp32-audio-kit/configs/wifi/defconfig
+++ b/boards/xtensa/esp32/esp32-audio-kit/configs/wifi/defconfig
@@ -78,6 +78,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/audio/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/audio/defconfig
index c716e39de9483..077f2f341470a 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/audio/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/audio/defconfig
@@ -113,6 +113,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NXPLAYER=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/autopm/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/autopm/defconfig
index 666183327ed16..357115dc2d4e9 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/autopm/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/autopm/defconfig
@@ -65,6 +65,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/ble/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/ble/defconfig
index 07ba3778d7882..aba8265a86e32 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/ble/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/ble/defconfig
@@ -53,6 +53,7 @@ CONFIG_SPINLOCK=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TLS_TASK_NELEM=4
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/blewifi/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/blewifi/defconfig
index a325124a750d8..b73e735a584fb 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/blewifi/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/blewifi/defconfig
@@ -138,6 +138,7 @@ CONFIG_SPINLOCK=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/bmp280/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/bmp280/defconfig
index 67abf490df82b..70ee8df0cc872 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/bmp280/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/bmp280/defconfig
@@ -56,6 +56,7 @@ CONFIG_SENSORS_BMP280=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSLOG_DEFAULT=y
 CONFIG_SYSLOG_MAX_CHANNELS=2
 CONFIG_SYSTEM_I2CTOOL=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/buttons/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/buttons/defconfig
index 769fa5a65742f..53b53a0e48ab2 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/buttons/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/buttons/defconfig
@@ -48,5 +48,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/coremark/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/coremark/defconfig
index b642f9895d254..a46a769f51530 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/coremark/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/coremark/defconfig
@@ -39,4 +39,5 @@ CONFIG_SMP_NCPUS=2
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/cxx/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/cxx/defconfig
index bf9d790103b27..c29b2775788b7 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/cxx/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/cxx/defconfig
@@ -43,6 +43,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_CXXTEST=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/efuse/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/efuse/defconfig
index 64bbb3d9b69da..56798b75217f0 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/efuse/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/efuse/defconfig
@@ -89,6 +89,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/elf/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/elf/defconfig
index e098fc9e9277a..56f43965c1602 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/elf/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/elf/defconfig
@@ -59,5 +59,6 @@ CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYMTAB_ORDEREDBYNAME=y
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/i2schar/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/i2schar/defconfig
index d16e807e002b2..70bfed8134aa8 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/i2schar/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/i2schar/defconfig
@@ -61,5 +61,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/knsh/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/knsh/defconfig
index 3d5465afeac1a..8cda8a88e737e 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/knsh/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/knsh/defconfig
@@ -58,6 +58,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/leds/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/leds/defconfig
index 492dc82bc2130..82ddbd87df361 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/leds/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/leds/defconfig
@@ -42,6 +42,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_USERLED=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/max6675/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/max6675/defconfig
index 0502bac88b273..4317ce3182492 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/max6675/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/max6675/defconfig
@@ -45,5 +45,6 @@ CONFIG_SENSORS_MAX6675=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/mcp2515/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/mcp2515/defconfig
index 43687f2f17e06..7639547de8714 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/mcp2515/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/mcp2515/defconfig
@@ -47,5 +47,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_slot_confirm/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_slot_confirm/defconfig
index f4270e266e2c1..73cec80517750 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_slot_confirm/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_slot_confirm/defconfig
@@ -47,5 +47,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_update_agent/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_update_agent/defconfig
index 755dc16c11fda..d412767f106c1 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_update_agent/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/mcuboot_update_agent/defconfig
@@ -72,6 +72,7 @@ CONFIG_SIG_DEFAULT=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/modbus/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/modbus/defconfig
index d34e67f42d62e..f7438f0119d5a 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/modbus/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/modbus/defconfig
@@ -51,5 +51,6 @@ CONFIG_SERIAL_TERMIOS=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/module/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/module/defconfig
index ca1ac6578c31f..a4ea6c3f4beaa 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/module/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/module/defconfig
@@ -57,5 +57,6 @@ CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SUPPRESS_UART_CONFIG=y
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/mqttc/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/mqttc/defconfig
index d84f6edddcffb..847ee5877939e 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/mqttc/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/mqttc/defconfig
@@ -71,6 +71,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/ms5611/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/ms5611/defconfig
index 02f7b9646fcf3..19f15404a2eff 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/ms5611/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/ms5611/defconfig
@@ -54,6 +54,7 @@ CONFIG_SENSORS_MS5611=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_I2CTOOL=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_SENSORTEST=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/nsh/defconfig
index f006c52cf97b6..13cdd958df971 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/nsh/defconfig
@@ -40,5 +40,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/nxlooper/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/nxlooper/defconfig
index 14dfeba08e4e3..470c674f31853 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/nxlooper/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/nxlooper/defconfig
@@ -114,6 +114,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NXLOOPER=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/oneshot/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/oneshot/defconfig
index e387ab80d4c03..848b503de58e1 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/oneshot/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/oneshot/defconfig
@@ -50,6 +50,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_TIMER_ARCH=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/ostest/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/ostest/defconfig
index f9c62c66ced42..f86a0ef898380 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/ostest/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/ostest/defconfig
@@ -42,6 +42,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_OSTEST=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/pm/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/pm/defconfig
index 3a52d8b500613..9b9edee515097 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/pm/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/pm/defconfig
@@ -44,5 +44,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/psram/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/psram/defconfig
index fa725a016580e..90539ded89e1c 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/psram/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/psram/defconfig
@@ -50,6 +50,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_MM=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/psram_usrheap/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/psram_usrheap/defconfig
index 3311e8e3d46af..412f89482f5f8 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/psram_usrheap/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/psram_usrheap/defconfig
@@ -52,6 +52,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_MM=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/pwm/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/pwm/defconfig
index f27cd1428c128..fd021f08c385c 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/pwm/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/pwm/defconfig
@@ -49,5 +49,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/random/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/random/defconfig
index 5c12446902796..c42af820f8150 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/random/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/random/defconfig
@@ -43,5 +43,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/rtc/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/rtc/defconfig
index c1010aafbdc8e..30d5a25e7cbad 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/rtc/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/rtc/defconfig
@@ -46,5 +46,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig
index c0f5b4e123227..f33611281ae3f 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/smp/defconfig
@@ -50,6 +50,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_SYSTEM=y
 CONFIG_SYSTEM_TASKSET=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/sotest/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/sotest/defconfig
index 0ef28ad8288e9..7eba149db6dc2 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/sotest/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/sotest/defconfig
@@ -58,5 +58,6 @@ CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SUPPRESS_UART_CONFIG=y
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/spiflash/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/spiflash/defconfig
index 7dd8ec2187a8e..b163476ddce2b 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/spiflash/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/spiflash/defconfig
@@ -44,5 +44,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/sta_softap/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/sta_softap/defconfig
index 81c4a193ae9e5..78212541f9c77 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/sta_softap/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/sta_softap/defconfig
@@ -68,6 +68,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/tickless/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/tickless/defconfig
index 6aab74bd8ce4b..e4c0520485010 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/tickless/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/tickless/defconfig
@@ -40,6 +40,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/timer/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/timer/defconfig
index d4d24cb4e74ec..fe11edc7cd05e 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/timer/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/timer/defconfig
@@ -46,6 +46,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_TIMER_ARCH=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/wamr_wasi_debug/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/wamr_wasi_debug/defconfig
index 92e266cd9b922..8067be93cb714 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/wamr_wasi_debug/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/wamr_wasi_debug/defconfig
@@ -110,6 +110,7 @@ CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SUPPRESS_CLOCK_CONFIG=y
 CONFIG_SUPPRESS_UART_CONFIG=y
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NTPC=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/watchdog/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/watchdog/defconfig
index 476423813132f..b2705489dfb52 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/watchdog/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/watchdog/defconfig
@@ -45,6 +45,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_WATCHDOG=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/watcher/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/watcher/defconfig
index 6656130d87808..8552ddf9510eb 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/watcher/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/watcher/defconfig
@@ -47,6 +47,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_WATCHDOG=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/wifi/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/wifi/defconfig
index f44f1979ca152..404fa6c94ec7c 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/wifi/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/wifi/defconfig
@@ -74,6 +74,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/wifi_smp/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/wifi_smp/defconfig
index 74de80cda27ae..0f9d63748420e 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/wifi_smp/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/wifi_smp/defconfig
@@ -97,6 +97,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=18
 CONFIG_START_MONTH=2
 CONFIG_START_YEAR=2021
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSLOG_TIMESTAMP=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/wifinsh/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/wifinsh/defconfig
index cbe398ba7967e..0ba144bfc5414 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/wifinsh/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/wifinsh/defconfig
@@ -74,6 +74,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/autopm/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/autopm/defconfig
index 10fac436718ff..a839c5f607d41 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/autopm/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/autopm/defconfig
@@ -64,6 +64,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/buttons/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/buttons/defconfig
index dfa0e184ea351..e0a0701d86f39 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/buttons/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/buttons/defconfig
@@ -47,5 +47,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/ethernet/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/ethernet/defconfig
index da5c462a20a55..db5b7677d263b 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/ethernet/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/ethernet/defconfig
@@ -60,6 +60,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/nsh/defconfig
index 2fbb3a33c33af..c362c05585be0 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/nsh/defconfig
@@ -39,5 +39,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/oneshot/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/oneshot/defconfig
index 2cfd0fe8f3bfc..de50b41df510e 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/oneshot/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/oneshot/defconfig
@@ -49,6 +49,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_TIMER_ARCH=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/rtc/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/rtc/defconfig
index 2ddba2a28fd25..aa7ba1232dd34 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/rtc/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/rtc/defconfig
@@ -45,5 +45,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/configs/wifi/defconfig b/boards/xtensa/esp32/esp32-ethernet-kit/configs/wifi/defconfig
index e7fbe22660d3f..1703d17dcb8eb 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/configs/wifi/defconfig
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/configs/wifi/defconfig
@@ -63,6 +63,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/audio/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/audio/defconfig
index 15115f4494e40..f1f9e6a9fdb8e 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/audio/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/audio/defconfig
@@ -112,6 +112,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NXPLAYER=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/buttons/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/buttons/defconfig
index 83ebbbeda0298..fcc1daaa76358 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/buttons/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/buttons/defconfig
@@ -51,5 +51,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/mmcsdspi/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/mmcsdspi/defconfig
index 3b0a53a7433fa..74c3f7ff69a4b 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/mmcsdspi/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/mmcsdspi/defconfig
@@ -63,5 +63,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/nsh/defconfig
index 89a30492d880c..5d5541c707783 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/nsh/defconfig
@@ -40,5 +40,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/nxrecorder/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/nxrecorder/defconfig
index fbb596af8860e..0dbc0c9edeff8 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/nxrecorder/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/nxrecorder/defconfig
@@ -88,6 +88,7 @@ CONFIG_SIG_DEFAULT=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NSH_STACKSIZE=2048
 CONFIG_SYSTEM_NXRECORDER=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/rtptools/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/rtptools/defconfig
index 7820e9fe4a771..cd1d6d167b8b3 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/rtptools/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/rtptools/defconfig
@@ -121,6 +121,7 @@ CONFIG_SPINLOCK=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NXPLAYER=y
diff --git a/boards/xtensa/esp32/esp32-lyrat/configs/wifi/defconfig b/boards/xtensa/esp32/esp32-lyrat/configs/wifi/defconfig
index e329474aacd9f..178ff6a58c98b 100644
--- a/boards/xtensa/esp32/esp32-lyrat/configs/wifi/defconfig
+++ b/boards/xtensa/esp32/esp32-lyrat/configs/wifi/defconfig
@@ -78,6 +78,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-pico-kit/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-pico-kit/configs/nsh/defconfig
index d0e2d698d798b..9d20bb0ad9bde 100644
--- a/boards/xtensa/esp32/esp32-pico-kit/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-pico-kit/configs/nsh/defconfig
@@ -39,5 +39,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-sparrow-kit/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-sparrow-kit/configs/nsh/defconfig
index 6e86e0c0f4a82..79b88dc1304d5 100644
--- a/boards/xtensa/esp32/esp32-sparrow-kit/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-sparrow-kit/configs/nsh/defconfig
@@ -65,5 +65,6 @@ CONFIG_SENSORS_LTR308=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/autopm/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/autopm/defconfig
index 9cccb00c92ea3..1775759782f75 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/autopm/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/autopm/defconfig
@@ -65,6 +65,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/bmp180/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/bmp180/defconfig
index 9b0e07ce637d4..c4b50a67c7c57 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/bmp180/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/bmp180/defconfig
@@ -44,5 +44,6 @@ CONFIG_SENSORS_BMP180=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/buttons/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/buttons/defconfig
index bcb3450cd4534..e7383fb8fecca 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/buttons/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/buttons/defconfig
@@ -48,5 +48,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/gpio/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/gpio/defconfig
index aa3aa37ad61b1..f62412a4ff812 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/gpio/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/gpio/defconfig
@@ -44,6 +44,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_XTENSA_INTBACKTRACE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/lcd1602/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/lcd1602/defconfig
index 3771bfd37d3e5..09fbf32721bc7 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/lcd1602/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/lcd1602/defconfig
@@ -45,5 +45,6 @@ CONFIG_SLCD=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/leds/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/leds/defconfig
index c6f0607e72201..239ff5dd77bb1 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/leds/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/leds/defconfig
@@ -42,6 +42,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_USERLED=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/lua/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/lua/defconfig
index 59cf987a42fc2..29a7a9fb6efa9 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/lua/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/lua/defconfig
@@ -71,6 +71,7 @@ CONFIG_RR_INTERVAL=200
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_USERLED=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/lvgl/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/lvgl/defconfig
index bb20aa92fc8b5..9fd2d2cf46a3f 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/lvgl/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/lvgl/defconfig
@@ -64,5 +64,6 @@ CONFIG_SPI_CMDDATA=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/mmcsdspi/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/mmcsdspi/defconfig
index 8a370e9cba019..24c5d0e5690b9 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/mmcsdspi/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/mmcsdspi/defconfig
@@ -63,5 +63,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/nsh/defconfig
index 8a51e5f30d9ea..41e6ac700b2c6 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/nsh/defconfig
@@ -40,5 +40,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/nx/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/nx/defconfig
index 539226d46db42..c4934a214b89c 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/nx/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/nx/defconfig
@@ -64,5 +64,6 @@ CONFIG_SPI_CMDDATA=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/oneshot/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/oneshot/defconfig
index 1f1c8cd2668b3..d58512d5c308c 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/oneshot/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/oneshot/defconfig
@@ -49,6 +49,7 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_TIMER_ARCH=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/rtc/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/rtc/defconfig
index 8767f81e8c699..f9dde553ebb95 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/rtc/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/rtc/defconfig
@@ -46,5 +46,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/configs/wifi/defconfig b/boards/xtensa/esp32/esp32-wrover-kit/configs/wifi/defconfig
index 9ea52a4c95df0..085aeedd7e175 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/configs/wifi/defconfig
+++ b/boards/xtensa/esp32/esp32-wrover-kit/configs/wifi/defconfig
@@ -64,6 +64,7 @@ CONFIG_SPIFFS_NAME_MAX=48
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/gps/defconfig b/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/gps/defconfig
index 5b689d065f964..7193dc7a82571 100644
--- a/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/gps/defconfig
+++ b/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/gps/defconfig
@@ -46,6 +46,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_UART1_BAUD=9600
diff --git a/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/nsh/defconfig b/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/nsh/defconfig
index 21cbb41250785..da7fcacffcc49 100644
--- a/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/nsh/defconfig
@@ -42,5 +42,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/sx127x/defconfig b/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/sx127x/defconfig
index 209de327042bb..39c7d423bd0a3 100644
--- a/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/sx127x/defconfig
+++ b/boards/xtensa/esp32/lilygo_tbeam_lora_gps/configs/sx127x/defconfig
@@ -57,5 +57,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/ttgo_eink5_v2/configs/fb/defconfig b/boards/xtensa/esp32/ttgo_eink5_v2/configs/fb/defconfig
index 2d5869f6e0850..ba179a10f33bd 100644
--- a/boards/xtensa/esp32/ttgo_eink5_v2/configs/fb/defconfig
+++ b/boards/xtensa/esp32/ttgo_eink5_v2/configs/fb/defconfig
@@ -45,5 +45,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=24
 CONFIG_START_MONTH=5
 CONFIG_START_YEAR=2022
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/ttgo_lora_esp32/configs/nsh/defconfig b/boards/xtensa/esp32/ttgo_lora_esp32/configs/nsh/defconfig
index b13c1be834128..96e26fb97ef0b 100644
--- a/boards/xtensa/esp32/ttgo_lora_esp32/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/ttgo_lora_esp32/configs/nsh/defconfig
@@ -43,5 +43,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/ttgo_lora_esp32/configs/sx127x/defconfig b/boards/xtensa/esp32/ttgo_lora_esp32/configs/sx127x/defconfig
index deaf687e3e747..82f7817e3b580 100644
--- a/boards/xtensa/esp32/ttgo_lora_esp32/configs/sx127x/defconfig
+++ b/boards/xtensa/esp32/ttgo_lora_esp32/configs/sx127x/defconfig
@@ -58,5 +58,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_fb/defconfig b/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_fb/defconfig
index f17dfe57a323f..0b28b8b2d5482 100644
--- a/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_fb/defconfig
+++ b/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_fb/defconfig
@@ -65,6 +65,7 @@ CONFIG_SPI_DRIVER=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_VIDEO_FB=y
diff --git a/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_lcd/defconfig b/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_lcd/defconfig
index 2eb6aeb4b2aff..ebf26510f62c1 100644
--- a/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_lcd/defconfig
+++ b/boards/xtensa/esp32/ttgo_t_display_esp32/configs/lvgl_lcd/defconfig
@@ -66,5 +66,6 @@ CONFIG_SPI_DRIVER=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32/ttgo_t_display_esp32/configs/nsh/defconfig b/boards/xtensa/esp32/ttgo_t_display_esp32/configs/nsh/defconfig
index 52cdbfbf87172..3bc6dde0f2252 100644
--- a/boards/xtensa/esp32/ttgo_t_display_esp32/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/ttgo_t_display_esp32/configs/nsh/defconfig
@@ -40,5 +40,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/audio/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/audio/defconfig
index 462a20c7c160c..3b4ac3a774ab9 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/audio/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/audio/defconfig
@@ -73,6 +73,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_I2CTOOL=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NSH_STACKSIZE=2048
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/buttons/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/buttons/defconfig
index 046930d23c2a8..7c924975d58af 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/buttons/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/buttons/defconfig
@@ -49,5 +49,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/i2c/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/i2c/defconfig
index 45d90015d559d..ce391e06bc403 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/i2c/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/i2c/defconfig
@@ -46,6 +46,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=28
 CONFIG_START_MONTH=6
 CONFIG_START_YEAR=2022
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_I2CTOOL=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_ili9341/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_ili9341/defconfig
index d8e89be9bfb2f..1df7f8e4df8f6 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_ili9341/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_ili9341/defconfig
@@ -62,5 +62,6 @@ CONFIG_SPI_CMDDATA=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_st7789/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_st7789/defconfig
index c88ae08170b5b..e3d897e617f26 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_st7789/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/lvgl_st7789/defconfig
@@ -65,5 +65,6 @@ CONFIG_SPI_DRIVER=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nsh/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nsh/defconfig
index 8595d7e17efc8..c90c157889664 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nsh/defconfig
@@ -39,5 +39,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nxlooper/defconfig b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nxlooper/defconfig
index bd8aa6dc4c5a2..c6b0b5604dc03 100644
--- a/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nxlooper/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-kaluga-1/configs/nxlooper/defconfig
@@ -71,6 +71,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_I2CTOOL=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NSH_STACKSIZE=2048
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/audio/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/audio/defconfig
index 31309e0e08eff..c34e65999a81d 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/audio/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/audio/defconfig
@@ -73,6 +73,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NSH_STACKSIZE=2048
 CONFIG_SYSTEM_NXPLAYER=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/buttons/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/buttons/defconfig
index 0319530257b1e..21c156bcca648 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/buttons/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/buttons/defconfig
@@ -47,5 +47,6 @@ CONFIG_SPI=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/coremark/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/coremark/defconfig
index 905648cbaef70..3029107c80212 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/coremark/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/coremark/defconfig
@@ -34,4 +34,5 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/cxx/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/cxx/defconfig
index 4d87b626bc623..1bf08e8e5ae08 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/cxx/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/cxx/defconfig
@@ -42,6 +42,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_CXXTEST=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/gpio/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/gpio/defconfig
index dcdaf6c589de2..c51344006ddc3 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/gpio/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/gpio/defconfig
@@ -42,5 +42,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2c/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2c/defconfig
index f2ce52c348b5d..c8296749ea610 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2c/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2c/defconfig
@@ -54,6 +54,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=28
 CONFIG_START_MONTH=6
 CONFIG_START_YEAR=2022
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_I2CTOOL=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2schar/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2schar/defconfig
index 4c19dbe681e22..80edc5d8b4bbf 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2schar/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/i2schar/defconfig
@@ -56,5 +56,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/mcuboot_nsh/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/mcuboot_nsh/defconfig
index e7f434efbb567..a0959c0c38ff7 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/mcuboot_nsh/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/mcuboot_nsh/defconfig
@@ -41,5 +41,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nsh/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nsh/defconfig
index c9ae2cf30dd98..9465c7706a333 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nsh/defconfig
@@ -39,5 +39,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nxlooper/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nxlooper/defconfig
index 6ef74aed7253a..cb5b072f5bc31 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nxlooper/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/nxlooper/defconfig
@@ -62,6 +62,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_NXLOOPER=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/oneshot/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/oneshot/defconfig
index 8dcfa390485c1..ec36379ab70c7 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/oneshot/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/oneshot/defconfig
@@ -43,5 +43,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/ostest/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/ostest/defconfig
index bf206a308cb19..2461fd8e8c2ef 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/ostest/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/ostest/defconfig
@@ -40,6 +40,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_OSTEST=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/pwm/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/pwm/defconfig
index e58d9455eb5ff..6214bab9eb160 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/pwm/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/pwm/defconfig
@@ -45,5 +45,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/random/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/random/defconfig
index eb614af00782c..9bb3701d301e6 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/random/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/random/defconfig
@@ -41,5 +41,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/timer/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/timer/defconfig
index 97cb9d535ab6f..783cac0820058 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/timer/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/timer/defconfig
@@ -44,6 +44,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_TIMER_ARCH=y
diff --git a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/watchdog/defconfig b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/watchdog/defconfig
index 334eaf290f308..78638d9428a73 100644
--- a/boards/xtensa/esp32s2/esp32s2-saola-1/configs/watchdog/defconfig
+++ b/boards/xtensa/esp32s2/esp32s2-saola-1/configs/watchdog/defconfig
@@ -44,6 +44,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_WATCHDOG=y
diff --git a/boards/xtensa/esp32s2/franzininho-wifi/configs/nsh/defconfig b/boards/xtensa/esp32s2/franzininho-wifi/configs/nsh/defconfig
index 49d37736522b3..3accb20c758db 100644
--- a/boards/xtensa/esp32s2/franzininho-wifi/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s2/franzininho-wifi/configs/nsh/defconfig
@@ -39,5 +39,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/buttons/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/buttons/defconfig
index ae5d34213046f..8426035b40ac3 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/buttons/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/buttons/defconfig
@@ -52,5 +52,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/coremark/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/coremark/defconfig
index 907f398bd40f7..0239afbe97d8e 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/coremark/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/coremark/defconfig
@@ -37,4 +37,5 @@ CONFIG_SMP_NCPUS=2
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/cxx/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/cxx/defconfig
index 4bd77a7668d70..329686a82b7cf 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/cxx/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/cxx/defconfig
@@ -45,6 +45,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_CXXTEST=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/i2c/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/i2c/defconfig
index f360575e3c7d4..a8ea9c28ec095 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/i2c/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/i2c/defconfig
@@ -55,6 +55,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=28
 CONFIG_START_MONTH=6
 CONFIG_START_YEAR=2022
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_I2CTOOL=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/knsh/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/knsh/defconfig
index da914b958aed4..f0f9726de1fcf 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/knsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/knsh/defconfig
@@ -49,6 +49,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/mcuboot_nsh/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/mcuboot_nsh/defconfig
index 3c10581861d86..da2a46922336e 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/mcuboot_nsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/mcuboot_nsh/defconfig
@@ -43,5 +43,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/nsh/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/nsh/defconfig
index 1136e877ed8ac..3119b5b6caa7a 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/nsh/defconfig
@@ -42,5 +42,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/oneshot/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/oneshot/defconfig
index 2a7afe65f5a35..6651beafd2822 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/oneshot/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/oneshot/defconfig
@@ -51,6 +51,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_TIMER_ARCH=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_octal/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_octal/defconfig
index fad76ddef1f28..d10d5d1c81c7f 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_octal/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_octal/defconfig
@@ -46,6 +46,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_MM=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_quad/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_quad/defconfig
index c9bf03b5c905f..107c3663c44a3 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_quad/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/psram_quad/defconfig
@@ -45,6 +45,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_MM=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/pwm/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/pwm/defconfig
index 6e86b67a9311d..1421e4de0dcf6 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/pwm/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/pwm/defconfig
@@ -48,5 +48,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/random/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/random/defconfig
index 7379e30f0737b..daea64338ea80 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/random/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/random/defconfig
@@ -44,5 +44,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/smp/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/smp/defconfig
index 4ce4a58d84894..3717bc7247e99 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/smp/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/smp/defconfig
@@ -47,6 +47,7 @@ CONFIG_STACK_COLORATION=y
 CONFIG_START_DAY=8
 CONFIG_START_MONTH=3
 CONFIG_START_YEAR=2022
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/spiflash/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/spiflash/defconfig
index d61cf9890d6ac..05e45292d35cf 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/spiflash/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/spiflash/defconfig
@@ -46,5 +46,6 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/sta_softap/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/sta_softap/defconfig
index 7384698acad5b..1bfcec92d5be7 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/sta_softap/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/sta_softap/defconfig
@@ -78,6 +78,7 @@ CONFIG_SPIFFS_NAME_MAX=128
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/tickless/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/tickless/defconfig
index 59e0458abf115..75897db0112ef 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/tickless/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/tickless/defconfig
@@ -43,6 +43,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_OSTEST=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/timer/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/timer/defconfig
index 510c1548b57b3..f0a11a721637e 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/timer/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/timer/defconfig
@@ -47,6 +47,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TIMER=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/watchdog/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/watchdog/defconfig
index f880064b15a85..67c46267a0de3 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/watchdog/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/watchdog/defconfig
@@ -45,6 +45,7 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_WATCHDOG=y
diff --git a/boards/xtensa/esp32s3/esp32s3-devkit/configs/wifi/defconfig b/boards/xtensa/esp32s3/esp32s3-devkit/configs/wifi/defconfig
index 53d933891443d..936f65f3bcb78 100644
--- a/boards/xtensa/esp32s3/esp32s3-devkit/configs/wifi/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-devkit/configs/wifi/defconfig
@@ -74,6 +74,7 @@ CONFIG_SPIFFS_NAME_MAX=128
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING=y
diff --git a/boards/xtensa/esp32s3/esp32s3-eye/configs/nsh/defconfig b/boards/xtensa/esp32s3/esp32s3-eye/configs/nsh/defconfig
index 3ebf13597d942..255c1a99cf270 100644
--- a/boards/xtensa/esp32s3/esp32s3-eye/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-eye/configs/nsh/defconfig
@@ -42,4 +42,5 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
diff --git a/boards/xtensa/esp32s3/esp32s3-meadow/configs/nsh/defconfig b/boards/xtensa/esp32s3/esp32s3-meadow/configs/nsh/defconfig
index d91d05c6ca808..69f9637255ea5 100644
--- a/boards/xtensa/esp32s3/esp32s3-meadow/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-meadow/configs/nsh/defconfig
@@ -42,4 +42,5 @@ CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
diff --git a/drivers/syslog/syslog_channel.c b/drivers/syslog/syslog_channel.c
index 04a3a800573cf..44a81a5d81e25 100644
--- a/drivers/syslog/syslog_channel.c
+++ b/drivers/syslog/syslog_channel.c
@@ -31,6 +31,7 @@
 
 #include <nuttx/syslog/syslog.h>
 #include <nuttx/compiler.h>
+#include <nuttx/mutex.h>
 
 #ifdef CONFIG_RAMLOG_SYSLOG
 #  include <nuttx/syslog/ramlog.h>
@@ -217,7 +218,13 @@ static ssize_t syslog_default_write(FAR struct syslog_channel_s *channel,
                                     FAR const char *buffer, size_t buflen)
 {
 #if defined(CONFIG_ARCH_LOWPUTC)
+  static mutex_t lock = NXMUTEX_INITIALIZER;
+
+  nxmutex_lock(&lock);
+
   up_nputs(buffer, buflen);
+
+  nxmutex_unlock(&lock);
 #endif
 
   UNUSED(channel);