Linux 3.16.7 - dtrace - Killed - kernel oops #95
Description
dtrace -A
Killed
uname -a
Linux kdev-buildsrv-kmod 3.16.7 #2 SMP Fri Jan 9 22:44:24 CET 2015 x86_64 GNU/Linux
It's KVM host, on phys machine it's the same.
Are you say something about 3.16 yesterday?
=============== KERNEL STACK ================
[ 17.815087] dtracedrv: module license 'CDDL' taints kernel.
[ 17.816949] Disabling lock debugging due to kernel taint
[ 26.417831] random: nonblocking pool is initialized
[ 29.146782] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 29.148036] IP: < (null)>
[ 29.148775] PGD d7f95067 PUD 30cb9067 PMD 0
[ 29.149655] Oops: 0010 [#1] SMP
[ 29.150114] Modules linked in: dtracedrv(PO) nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc loop ghash_clmulni_intel aesni_intel aes_x86_64 psmouse hid_generic ablk_helper processor cryptd usbhid lrw parport_pc parport hid gf128mul glue_helper thermal_sys serio_raw virtio_balloon i2c_piix4 microcode evdev i2c_core button ext4 crc16 jbd2 mbcache ata_generic virtio_blk uhci_hcd virtio_net ehci_hcd ata_piix libata scsi_mod crc32c_intel usbcore usb_common virtio_pci virtio_ring virtio
[ 29.150114] CPU: 0 PID: 2531 Comm: dtrace Tainted: P O 3.16.7 #2
[ 29.150114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
[ 29.150114] task: ffff88011aaee8d0 ti: ffff880030bf0000 task.ti: ffff880030bf0000
[ 29.150114] RIP: 0010:[<0000000000000000>] < (null)>
[ 29.150114] RSP: 0018:ffff880030bf3b50 EFLAGS: 00010246
[ 29.150114] RAX: 0000000000000000 RBX: ffff8800c67e8700 RCX: ffffffffa0326dc0
[ 29.150114] RDX: ffffffffa0326dd8 RSI: 0000000000010000 RDI: 0000000000007431
[ 29.150114] RBP: 0000000000000000 R08: 000000000000000a R09: 0000000000000030
[ 29.150114] R10: 0000000000000020 R11: ffffffffa033e9d2 R12: 0000000000000018
[ 29.150114] R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000018
[ 29.150114] FS: 00007f71707ac700(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000
[ 29.150114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.150114] CR2: 0000000000000000 CR3: 00000000c66cf000 CR4: 00000000000407f0
[ 29.150114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 29.150114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 29.150114] Stack:
[ 29.150114] ffffffffa0326fe2 0000000000000000 00000001000280da ffff88011fffac18
[ 29.150114] ffff8800c67e8700 0000000000000000 0000000000000001 0000000000000000
[ 29.150114] ffff8800308d3060 ffff8800db5ff010 ffffffffa03270ed ffff8800c67e8700
[ 29.150114] Call Trace:
[ 29.150114] [] ? init_syscalls+0x205/0x2fe [dtracedrv]
[ 29.150114] [] ? systrace_provide+0x12/0x2ff [dtracedrv]
[ 29.150114] [] ? dtrace_probe_provide+0x83/0xf1 [dtracedrv]
[ 29.150114] [] ? dtrace_open+0x55/0x10f [dtracedrv]
[ 29.150114] [] ? dtracedrv_open+0x18/0x1c [dtracedrv]
[ 29.150114] [] ? misc_open+0x117/0x145
[ 29.150114] [] ? chrdev_open+0x12d/0x156
[ 29.150114] [] ? cdev_put+0x19/0x19
[ 29.150114] [] ? do_dentry_open+0x178/0x27d
[ 29.150114] [] ? finish_open+0x2a/0x33
[ 29.150114] [] ? do_last+0x85b/0xa0f
[ 29.150114] [] ? __inode_permission+0x57/0x95
[ 29.150114] [] ? link_path_walk+0x112/0x46f
[ 29.150114] [] ? path_openat+0x233/0x4c5
[ 29.150114] [] ? do_filp_open+0x2d/0x75
[ 29.150114] [] ? __alloc_fd+0xd9/0xea
[ 29.150114] [] ? do_sys_open+0x65/0xe9
[ 29.150114] [] ? system_call_fastpath+0x16/0x1b
[ 29.150114] Code: Bad RIP value.
[ 29.150114] RIP < (null)>
[ 29.150114] RSP
[ 29.150114] CR2: 0000000000000000
[ 29.187448] ---[ end trace 6099a1b8fcd07389 ]---
=============== / KERNEL STACK ======================
If you try to run again, dtrace freezing (strace from second run):
================ STRACE ===============
(cut)
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14768, ...}) = 0
mmap(NULL, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f2040ca8000
mprotect(0x7f2040caa000, 2097152, PROT_NONE) = 0
mmap(0x7f2040eaa000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f2040eaa000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\357\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1603600, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2041912000
mmap(NULL, 3717176, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f204091c000
mprotect(0x7f2040a9e000, 2097152, PROT_NONE) = 0
mmap(0x7f2040c9e000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x182000) = 0x7f2040c9e000
mmap(0x7f2040ca3000, 18488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f2040ca3000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2041911000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2041910000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f204190f000
arch_prctl(ARCH_SET_FS, 0x7f2041910700) = 0
mprotect(0x7f2040c9e000, 16384, PROT_READ) = 0
mprotect(0x7f2040eaa000, 4096, PROT_READ) = 0
mprotect(0x7f20410bf000, 4096, PROT_READ) = 0
mprotect(0x7f20412d7000, 4096, PROT_READ) = 0
mprotect(0x7f20414e3000, 4096, PROT_READ) = 0
mprotect(0x7f20416fa000, 4096, PROT_READ) = 0
mprotect(0x7f204191b000, 4096, PROT_READ) = 0
munmap(0x7f2041914000, 19228) = 0
set_tid_address(0x7f20419109d0) = 2816
set_robust_list(0x7f20419109e0, 0x18) = 0
futex(0x7fffc46a15ac, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, 7f2041910700) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x7f20410c6ad0, [], SA_RESTORER|SA_SIGINFO, 0x7f20410d00a0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7f20410c6b60, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7f20410d00a0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192_1024, rlim_max=RLIM_INFINITY}) = 0
brk(0) = 0x1b2c000
brk(0x1b4d000) = 0x1b4d000
getrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=4_1024}) = 0
setrlimit(RLIMIT_NOFILE, {rlim_cur=4_1024, rlim_max=4_1024}) = 0
open("/dev/dtrace/provider", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOTDIR (Not a directory)
open("/dev/dtrace", O_RDWR
^C <unfinished ...>
==================== / STRACE ====================
Ping me if you need more information.