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[Bug]: 输出qDebug日志时Dtk崩溃 #748

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[Bug]: 输出qDebug日志时Dtk崩溃#748
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@calsys456

Description

@calsys456
calsys456
opened on Feb 25, 2026

SUMMARY | 问题概要

概率出现崩溃

root@april-deepin-utm-apple:~# coredumpctl debug treeland
           PID: 214250 (treeland)
           UID: 107 (dde)
           GID: 112 (dde)
        Signal: 11 (SEGV)
     Timestamp: Wed 2026-02-25 17:19:50 CST (1min 19s ago)
  Command Line: /usr/bin/treeland --lockscreen
    Executable: /usr/bin/treeland
 Control Group: /system.slice/treeland.service
          Unit: treeland.service
         Slice: system.slice
       Boot ID: 31961a37d09347e6929d740d4ac0aa79
    Machine ID: 45ebfb1df2be4a579d85592f0c9468e8
      Hostname: april-deepin-utm-apple
       Storage: /var/lib/systemd/coredump/core.treeland.107.31961a37d09347e6929d740d4ac0aa79.214250.1772011190000000.zst (present)
  Size on Disk: 17.6M
       Message: Process 214250 (treeland) of user 107 dumped core.

                Module libblkid.so.1 from deb util-linux-2.40.4-3deepin4.arm64
                Module libmount.so.1 from deb util-linux-2.40.4-3deepin4.arm64
                Module libsystemd.so.0 from deb systemd-255.2-4deepin19.arm64
                Module libzstd.so.1 from deb libzstd-1.5.6+dfsg-1.arm64
                Module libudev.so.1 from deb systemd-255.2-4deepin19.arm64
                Stack trace of thread 214250:
                #0  0x0000ffff9f0f8d20 n/a (libc.so.6 + 0x138d20)
                #1  0x0000ffff9f050220 n/a (libc.so.6 + 0x90220)
                #2  0x0000ffff9f052d38 free (libc.so.6 + 0x92d38)
                #3  0x0000ffff9fddc114 n/a (libQt6Core.so.6 + 0x22c114)
                #4  0x0065ffff9fdc7ddc n/a (n/a + 0x0)
                #5  0x0065ffff9fdc7ddc n/a (n/a + 0x0)
                #6  0x0049ffff9fdb98a8 n/a (n/a + 0x0)
                #7  0x0049ffff9fdb9b58 n/a (n/a + 0x0)
                #8  0x0059ffff9fdb9cec n/a (n/a + 0x0)
                #9  0x0030ffff9fdba664 n/a (n/a + 0x0)
                #10 0x0044ffff9fde3ad8 n/a (n/a + 0x0)
                #11 0x004affff9fdb2e14 n/a (n/a + 0x0)
                #12 0x0058ffff9fdeefdc n/a (n/a + 0x0)
                #13 0x0059ffff9d907fc0 n/a (n/a + 0x0)
                #14 0x007dffff9d90a8b0 n/a (n/a + 0x0)
                #15 0x0074ffff9d90679c n/a (n/a + 0x0)
                #16 0x0026ffff9d9029e4 n/a (n/a + 0x0)
                #17 0x0059ffff9d902d0c n/a (n/a + 0x0)
                #18 0x0040ffff9d902da0 n/a (n/a + 0x0)
                #19 0x0025ffff9fcb2d48 n/a (n/a + 0x0)
                #20 0x0069ffff9fcb6710 n/a (n/a + 0x0)
                #21 0x004cffff9fcc1b30 n/a (n/a + 0x0)
                #22 0x0009ffffa083af9c n/a (n/a + 0x0)
                #23 0x0000ffffa083a618 _ZN6Waylib6Server18WInputMethodHelper13handleNewIMV2EP18qw_input_method_v2 (libwaylibserver.so.0 + 0x5aa618)
                #24 0x0000aaab0cc52520 n/a (n/a + 0x0)
                #25 0x0000aaab0cc52520 n/a (n/a + 0x0)
                #26 0x0000ffffc926fe30 n/a (n/a + 0x0)
                ELF object binary architecture: AARCH64

GNU gdb (Debian 16.3-1deepin1) 16.3
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Type "show copying" and "show warranty" for details.
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Reading symbols from /usr/bin/treeland...

warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JITCode:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:xwayland-shared (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed mapping note processing
[New LWP 214250]
[New LWP 214364]
[New LWP 214350]
[New LWP 214352]
[New LWP 214355]
[New LWP 214356]
[New LWP 214351]
[New LWP 214373]
[New LWP 214357]
[New LWP 214359]
[New LWP 214362]
[New LWP 214363]
[New LWP 214365]
[New LWP 214353]
[New LWP 214368]
[New LWP 214377]
[New LWP 214354]
[New LWP 214372]
[New LWP 214367]
[New LWP 214361]
[New LWP 214349]
[New LWP 214371]
[New LWP 214399]
[New LWP 215398]
[New LWP 214360]
[New LWP 214369]
[New LWP 214370]
[New LWP 214366]
[New LWP 214358]
b[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/treeland --lockscreen'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0000ffff9f0f8d20 in ?? () from /usr/bin/../lib/aarch64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0xffff9fbad020 (LWP 214250))]
(gdb) bt
#0  0x0000ffff9f0f8d20 in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libc.so.6
#1  0x0000ffff9f050220 in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libc.so.6
#2  0x0000ffff9f052d38 in free () at /usr/bin/../lib/aarch64-linux-gnu/libc.so.6
#3  0x0000ffff9fddc114 in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#4  0x0000ffff9fdc7ddc [PAC] in QString::insert(long long, QChar const*, long long) () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#5  0x0000ffff9fdb98a8 [PAC] in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#6  0x0000ffff9fdb9b58 [PAC] in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#7  0x0000ffff9fdb9cec [PAC] in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#8  0x0000ffff9fdba664 [PAC] in QCalendarBackend::dateTimeToString(QStringView, QDateTime const&, QDate, QTime, QLocale const&) const ()
    at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#9  0x0000ffff9fde3ad8 [PAC] in QCalendar::dateTimeToString(QStringView, QDateTime const&, QDate, QTime, QLocale const&) const ()
    at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#10 0x0000ffff9fdb2e14 [PAC] in QLocale::toString(QDateTime const&, QStringView, QCalendar) const () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#11 0x0000ffff9fdeefdc [PAC] in QDateTime::toString(QString const&) const () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#12 0x0000ffff9d907fc0 [PAC] in Dtk::Core::AbstractStringAppender::formattedString(QDateTime const&, Dtk::Core::Logger::LogLevel, char const*, int, char const*, QString const&, QString const&, bool) const () at /lib/aarch64-linux-gnu/libdtk6log.so.0
#13 0x0000ffff9d90a8b0 [PAC] in Dtk::Core::ConsoleAppender::append(QDateTime const&, Dtk::Core::Logger::LogLevel, char const*, int, char const*, QString const&, QString const&) () at /lib/aarch64-linux-gnu/libdtk6log.so.0
#14 0x0000ffff9d90679c [PAC] in Dtk::Core::AbstractAppender::write(QDateTime const&, Dtk::Core::Logger::LogLevel, char const*, int, char const*, QString const&, QString const&) () at /lib/aarch64-linux-gnu/libdtk6log.so.0
#15 0x0000ffff9d9029e4 [PAC] in Dtk::Core::Logger::write(QDateTime const&, Dtk::Core::Logger::LogLevel, char const*, int, char const*, char const*, QString const&, bool) () at /lib/aarch64-linux-gnu/libdtk6log.so.0
#16 0x0000ffff9d902d0c [PAC] in Dtk::Core::Logger::write(QDateTime const&, Dtk::Core::Logger::LogLevel, char const*, int, char const*, char const*, QString const&)
    () at /lib/aarch64-linux-gnu/libdtk6log.so.0
#17 0x0000ffff9d902da0 [PAC] in Dtk::Core::Logger::write(Dtk::Core::Logger::LogLevel, char const*, int, char const*, char const*, QString const&) ()
    at /lib/aarch64-linux-gnu/libdtk6log.so.0
#18 0x0000ffff9fcb2d48 [PAC] in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#19 0x0000ffff9fcb6710 [PAC] in qt_message_output(QtMsgType, QMessageLogContext const&, QString const&) () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#20 0x0000ffff9fcc1b30 [PAC] in QDebug::~QDebug() () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#21 0x0000ffffa083af9c [PAC] in Waylib::Server::WInputMethodHelper::resendKeyboardFocus (this=0xaaab0cc62650)
    at /root/dev/treeland/waylib/src/server/protocols/winputmethodhelper.cpp:300
#22 0x0000ffffa083a618 in Waylib::Server::WInputMethodHelper::handleNewIMV2 (this=0xaaab0cc62650, imv2=0xaaab11a3b2a0)
    at /root/dev/treeland/waylib/src/server/protocols/winputmethodhelper.cpp:208
#23 0x0000ffffa0845468 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<qw_input_method_v2*>, void, void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*)>::call(void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*), Waylib::Server::WInputMethodHelper*, void**)::{lambda()#1}::operator()() const (__closure=0xffffc926fca8) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:152
#24 0x0000ffffa0846a50 in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<qw_input_method_v2*>, void, void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*)>::call(void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*), Waylib::Server::WInputMethodHelper*, void**)::{lambda()#1}>(void**, QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<qw_input_method_v2*>, void, void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*)>::call(void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*), Waylib::Server::WInputMethodHelper*, void**)::{lambda()#1}&&) (args=0xffffc926fe40, fn=...) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:65
#25 0x0000ffffa08454bc in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<qw_input_method_v2*>, void, void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*)>::call
    (f=(void (Waylib::Server::WInputMethodHelper::*)(Waylib::Server::WInputMethodHelper * const, qw_input_method_v2 *)) 0xffffa083a3ac <Waylib::Server::WInputMethodHelper::handleNewIMV2(qw_input_method_v2*)>, o=0xaaab0cc62650, arg=0xffffc926fe40) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:151
#26 0x0000ffffa08444f4 in QtPrivate::FunctionPointer<void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*)>::call<QtPrivate::List<qw_input_method_v2*>, void>
    (f=(void (Waylib::Server::WInputMethodHelper::*)(Waylib::Server::WInputMethodHelper * const, qw_input_method_v2 *)) 0xffffa083a3ac <Waylib::Server::WInputMethodHelper::handleNewIMV2(qw_input_method_v2*)>, o=0xaaab0cc62650, arg=0xffffc926fe40) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:199
#27 0x0000ffffa0842668 in QtPrivate::QCallableObject<void (Waylib::Server::WInputMethodHelper::*)(qw_input_method_v2*), QtPrivate::List<qw_input_method_v2*>, void>::impl (which=1, this_=0xaaab0cc5ea10, r=0xaaab0cc62650, a=0xffffc926fe40, ret=0x0) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:570
#28 0x0000ffff9fd6199c in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#29 0x0000ffffa06909bc [PAC] in Waylib::Server::WInputMethodManagerV2::newInputMethod (this=0xaaab0cc52520, _t1=0xaaab11a3b2a0)
    at /root/build/treeland/waylib/src/server/waylibserver_autogen/AFKC6XEEJY/moc_winputmethodv2_p.cpp:359
#30 0x0000ffffa084824c in operator() (__closure=0xaaab0ce6d810, im=0xaaab1457e030) at /root/dev/treeland/waylib/src/server/protocols/private/winputmethodv2.cpp:52
#31 0x0000ffffa08490c4 in operator() (__closure=0xffffc926fee0) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:141
#32 0x0000ffffa0849234 in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<wlr_input_method_v2*>, void, Waylib::Server::WInputMethodManagerV2::create(Waylib::Server::WServer*)::<lambda(wlr_input_method_v2*)> >::call(Waylib::Server::WInputMethodManagerV2::create(Waylib::Server::WServer*)::<lambda(wlr_input_method_v2*)>&, void**)::<lambda()> >(void **, struct {...} &&) (args=0xffffc9270060, fn=...)
    at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:65
#33 0x0000ffffa0849104 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<wlr_input_method_v2*>, void, Waylib::Server::WInputMethodManagerV2::create(Waylib::Server::WServer*)::<lambda(wlr_input_method_v2*)> >::call(struct {...} &, void **) (f=..., arg=0xffffc9270060)
    at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:140
#34 0x0000ffffa0849000 in QtPrivate::FunctorCallable<Waylib::Server::WInputMethodManagerV2::create(Waylib::Server::WServer*)::<lambda(wlr_input_method_v2*)>, wlr_input_method_v2*>::call<QtPrivate::List<wlr_input_method_v2*>, void>(struct {...} &, void *, void **) (f=..., arg=0xffffc9270060)
    at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:362
#35 0x0000ffffa0848e1c in QtPrivate::QCallableObject<Waylib::Server::WInputMethodManagerV2::create(Waylib::Server::WServer*)::<lambda(wlr_input_method_v2*)>, QtPrivate::List<wlr_input_method_v2*>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *)
    (which=1, this_=0xaaab0ce6d800, r=0xaaab0cc52520, a=0xffffc9270060, ret=0x0) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:572
#36 0x0000ffff9fd6199c in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#37 0x0000ffffa089567c [PAC] in qw_input_method_manager_v2::notify_input_method (this=0xaaab0cc6f400, _t1=0xaaab1457e030)
    at /root/build/treeland/waylib/qwlroots/src/qwlroots_autogen/GZRP3O7STM/moc_qwinputmethodv2.cpp:141
#38 0x0000ffffa13a93cc in qw_signal_connector::callSlot1 (wl_listener=0xaaab0cc6f468, data=0xaaab1457e030)
    at /root/dev/treeland/qwlroots/src/util/qwsignalconnector.h:149
#39 0x0000ffff9dac9784 in wl_signal_emit_mutable () at /usr/bin/../lib/aarch64-linux-gnu/libwayland-server.so.0
#40 0x0000ffff9bfb6464 [PAC] in ??? () at /lib/aarch64-linux-gnu/libffi.so.8
#41 0x0000ffff9bfb5bb4 in ??? () at /lib/aarch64-linux-gnu/libffi.so.8
#42 0x0000ffff9dace078 in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libwayland-server.so.0
#43 0x0000ffff9dac8764 [PAC] in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libwayland-server.so.0
#44 0x0000ffff9dacbc48 [PAC] in wl_event_loop_dispatch () at /usr/bin/../lib/aarch64-linux-gnu/libwayland-server.so.0
#45 0x0000ffffa06fccdc [PAC] in operator() (__closure=0xaaab0cc5b110) at /root/dev/treeland/waylib/src/server/kernel/wserver.cpp:108
#46 0x0000ffffa06fe79c in operator() (__closure=0xffffc9270810) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:141
#47 0x0000ffffa06fe868 in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, Waylib::Server::WServerPrivate::init()::<lambda()> >::call(Waylib::Server::WServerPrivate::init()::<lambda()>&, void**)::<lambda()> >(void **, struct {...} &&)
    (args=0xffffc92708f8, fn=...) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:65
#48 0x0000ffffa06fe7dc in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, Waylib::Server::WServerPrivate::init()::<lambda()> >::call(struct {...} &, void **) (f=..., arg=0xffffc92708f8) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:140
--Type <RET> for more, q to quit, c to continue without paging--c
#49 0x0000ffffa06fe738 in QtPrivate::FunctorCallable<Waylib::Server::WServerPrivate::init()::<lambda()> >::call<QtPrivate::List<>, void>(struct {...} &, void *, void **) (f=..., arg=0xffffc92708f8) at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:362
#50 0x0000ffffa06fe62c in QtPrivate::QCallableObject<Waylib::Server::WServerPrivate::init()::<lambda()>, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0xaaab0cc5b100, r=0xaaab0cad3a10, a=0xffffc92708f8, ret=0x0)
    at /usr/include/aarch64-linux-gnu/qt6/QtCore/qobjectdefs_impl.h:572
#51 0x0000ffff9fd6199c in ??? () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#52 0x0000ffff9ff0c3dc [PAC] in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#53 0x0000ffff9fd1d244 [PAC] in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#54 0x0000ffff9fd14f90 [PAC] in QCoreApplication::exec() () at /usr/bin/../lib/aarch64-linux-gnu/libQt6Core.so.6
#55 0x0000aaaad38051c4 [PAC] in main (argc=2, argv=0xffffc9270d78) at /root/dev/treeland/src/main.cpp:53
(gdb)

LAUNCH-WAY | 启动方式

ddm

BACKEND | 启动后端

DRM

STEPS TO REPRODUCE | 复现步骤

  1. 启动treeland并登录
  2. Ctrl+Alt+del唤起Shutdown View
  3. 点击“锁定”
  4. 概率性崩溃

OBSERVED RESULT | 观察到的结果

No response

EXPECTED RESULT | 期望的结果

No response

ADDITIONAL INFORMATION | 额外补充

No response

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