Messages in this thread | | | From | Andrey Borzenkov <> | Date | Tue, 3 Feb 2004 22:29:50 +0300 | Subject | rc3-mm1: oops in keventd_stop_kthread |
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Single CPU, SMP kernel, preemption enabled. I get reproducible oops when starting ALSA services:
Feb 3 22:10:24 localhost sudo: bor : TTY=pts/1 ; PWD=/home/bor ; USER=root ; COMMAND=/sbin/service alsa start Unable to handle kernel paging request at virtual address c14bdab8 printing eip: c014343c *pde = 00005063 *pte = 014bd000 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC CPU: 0 EIP: 0060:[<c014343c>] Not tainted VLI EFLAGS: 00010203 EIP is at keventd_stop_kthread+0x16c/0x270 eax: c14bda20 ebx: ffffffff ecx: 00000c5c edx: cd995f1c esi: cfeeff08 edi: 00000007 ebp: cfeeff38 esp: cfeefee8 ds: 007b es: 007b ss: 0068 Process events/0 (pid: 4, threadinfo=cfeee000 task=cff17a20) Stack: 0000000f c14bda20 00000000 cfeee000 00000c5c cfeee000 c12b8f60 c1283c00 00000000 00000000 00000000 00000286 00010000 00000000 00000286 c14bda20 cd995efc cfeee000 cd995edc cd995ee0 cfeeffc0 c013ebb6 cd995f1c cfeeff74 Call Trace: [<c013ebb6>] worker_thread+0x1f6/0x340 [<c01432d0>] keventd_stop_kthread+0x0/0x270 [<c0124100>] default_wake_function+0x0/0x20 [<c0124100>] default_wake_function+0x0/0x20 [<c0143757>] kthread+0x87/0xa4 [<c013e9c0>] worker_thread+0x0/0x340 [<c01436d0>] kthread+0x0/0xa4 [<c0109005>] kernel_thread_helper+0x5/0x10 Code: ff ff ff ff 89 f1 ba 00 00 00 40 cd 80 8 9 45 c0 83 f8 82 76 0e c7 45 c0 ff ff ff ff f7 d8 a3 d0 0c 3f c0 8b 55 08 8b 4d c0 8b 02 <3b> 88 98 00 00 00 75 bd 0f b6 45 d1 8d 5d d4 f7 d8 89 42 04 89
then it deadlocks in modprobe:
modprobe D C14AED88 3163 3142 (NOTLB) cd995e68 00200086 00000002 c14aed88 c14c7a20 00000000 00000000 c1283c00 00000001 00000001 cd994000 00000000 c1283c00 00000000 9fcd99c0 000f4223 c14c7a20 c14c7a20 c14c7bf0 00000000 cd995eb8 00200086 cd995f24 cd995f28 Call Trace: [<c01253e0>] wait_for_completion+0xe0/0x220 [<c0124100>] default_wake_function+0x0/0x20 [<c0124100>] default_wake_function+0x0/0x20 [<c0122cca>] preempt_schedule+0x2a/0x50 [<c01432c5>] kthread_stop+0x75/0x80 [<c01432d0>] keventd_stop_kthread+0x0/0x270 [<c0148cce>] sys_delete_module+0x21e/0x230 [<c0163ff9>] sys_munmap+0x59/0x80 [<c02fc03a>] sysenter_past_esp+0x43/0x65
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