Messages in this thread | | | Date | Thu, 20 Feb 2003 12:46:51 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: doublefault debugging (was Re: Linux v2.5.62 --- spontaneous reboots) |
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i think i managed to trigger a potentially useful oops, with BK-curr:
Unable to handle kernel paging request at virtual address 6b6b6b8b printing eip: c011944b *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0060:[<c011944b>] Not tainted EFLAGS: 00010046 EIP is at do_page_fault+0x7b/0x4e4 eax: 6b6b6b8b ebx: 6b6b6b6b ecx: 0000002b edx: c02dd6ac esi: 6b6b6b8b edi: ca095320 ebp: ca092170 esp: ca0920c8 ds: 007b es: 007b ss: 0068 Process start-threads (pid: 21685, threadinfo=ca090000 task=ca094ce0) Stack: c02dd6ac 0000002b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b8b 6b6b6b6b 6b6b6b6b 6b6b6b6b 00030001 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b Call Trace:
[tons of pagefault recursion]
[<c01193d0>] do_page_fault+0x0/0x4e4 [<c010a691>] error_code+0x2d/0x38 [<c011944b>] do_page_fault+0x7b/0x4e4 [<c01193d0>] do_page_fault+0x0/0x4e4 [<c010a691>] error_code+0x2d/0x38 [<c011944b>] do_page_fault+0x7b/0x4e4 [<c01294f8>] do_timer+0xc8/0xd0 [<c013330c>] rcu_process_callbacks+0x17c/0x1b0 [<c011b4bf>] scheduler_tick+0x3ff/0x410 [<c0125113>] tasklet_action+0x73/0xc0 [<c01193d0>] do_page_fault+0x0/0x4e4 [<c010a691>] error_code+0x2d/0x38 [<c011b598>] schedule+0xb8/0x3d0 [<c01219fd>] release_task+0x17d/0x200 [<c011e70f>] mmput+0x1f/0xc0 [<c0122cad>] do_exit+0x31d/0x3b0 [<c010b328>] do_nmi+0x58/0x60 [<c012a93e>] __dequeue_signal+0x6e/0xb0 [<c0122ef0>] do_group_exit+0x110/0x140 [<c012a9ae>] dequeue_signal+0x2e/0x60 [<c012c2b1>] get_signal_to_deliver+0x2b1/0x440 [<c01099a2>] do_signal+0xb2/0xf0 [<c01296c4>] schedule_timeout+0x74/0xc0 [<c012c4f9>] sigprocmask+0x89/0x140 [<c0129640>] process_timeout+0x0/0x10 [<c012c62d>] sys_rt_sigprocmask+0x7d/0x1a0 [<c0129944>] sys_nanosleep+0x154/0x180 [<c0109a3b>] do_notify_resume+0x5b/0x60 [<c0109c72>] work_notifysig+0x13/0x15
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