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SubjectRe: i386, v3.6-rc3: Kernel panic - not syncing: Fatal exception in interrupt
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On Tue, 2012-08-28 at 10:12 +0200, Robert Richter wrote:
> On 27.08.12 17:14:27, Robert Richter wrote:
> > Steven and Ingo,
> >
> > while running profiling tests on 32 bit I got a
> >
> > Kernel panic - not syncing: Fatal exception in interrupt

Sorry for the late response, was too busy drinking with other kernel
developers in San Diego and laughing at all you that are still doing
real work.

>
> Seems not to be a regression, I could trigger it with v3.5 too.
>
> The problem seems to be oprofile related, full trace below.
>
> Thanks,
>
> -Robert
>
> BUG: unable to handle kernel NULL pointer dereference at 00000040
> IP: [<c100422f>] print_context_stack+0x6e/0x8d
> *pde = 00000000
> Oops: 0000 [#1] SMP
> Modules linked in:
>
> Pid: 15531, comm: perl Not tainted 3.5.0-oprofile-i386-standard-g28a33cb #2 Hewlett-Packard HP xw9400 Workstation/0A1Ch
> EIP: 0060:[<c100422f>] EFLAGS: 00010097 CPU: 3
> EIP is at print_context_stack+0x6e/0x8d
> EAX: ffffe000 EBX: 00000040 ECX: f4bd1f94 EDX: 00000040
> ESI: f4bd1f94 EDI: f4bd1f94 EBP: f5517ec0 ESP: f5517ea0
> DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> CR0: 8005003b CR2: 00000040 CR3: 34403000 CR4: 000007d0
> DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> DR6: ffff0ff0 DR7: 00000400
> Process perl (pid: 15531, ti=f5516000 task=f4f6bbc0 task.ti=f4bd0000)
> Stack:
> 000003e8 ffffe000 00001ffc f4b8e380 00000000 00000040 f4bd1f94 c1541178
> f5517ef0 c1003717 c1541178 f5517f04 00000000 f5517edc 00000000 00000000
> f5517ee8 f4bd1f94 f5517fc4 00000001 f5517f1c c12d3ba4 00000000 c1541178
> Call Trace:
> [<c1003717>] dump_trace+0x7b/0xa1
> [<c12d3ba4>] x86_backtrace+0x40/0x88
> [<c12d2498>] ? oprofile_add_sample+0x56/0x84
> [<c12d24b7>] oprofile_add_sample+0x75/0x84
> [<c12d48e3>] op_amd_check_ctrs+0x46/0x260
> [<c10328b9>] ? wake_up_worker+0x19/0x1b
> [<c103331a>] ? insert_work+0x58/0x5c
> [<c12d4195>] profile_exceptions_notify+0x23/0x4c
> [<c138b497>] nmi_handle+0x31/0x4a
> [<c102734f>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
> [<c138b559>] do_nmi+0xa9/0x304
> [<c102c2e7>] ? run_timer_softirq+0x2a/0x1f5
> [<c102734f>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
> [<c138ae4d>] nmi_stack_correct+0x28/0x2d
> [<c102734f>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
> [<c10035f7>] ? do_softirq+0x4b/0x7f
> <IRQ>
> [<c10275cc>] irq_exit+0x35/0x5b
> [<c101689e>] smp_apic_timer_interrupt+0x6c/0x7a
> [<c138abae>] apic_timer_interrupt+0x2a/0x30
> Code: 89 fe eb 08 31 c9 8b 45 0c ff 55 ec 83 c3 04 83 7d 10 00 74 0c 3b 5d 10 73 26 3b 5d e4 73 0c eb 1f 3b 5d f0 76 1a 3b 5d e8 73 15 <8b> 13 89 d0 89 55 e0 e8 9d 16 03 00 85 c0 8b 55 e0 75 a6 eb cc
> EIP: [<c100422f>] print_context_stack+0x6e/0x8d SS:ESP 0068:f5517ea0
> CR2: 0000000000000040
> ---[ end trace 0cce5d2b7aa480ce ]---
> Kernel panic - not syncing: Fatal exception in interrupt

Could you send me the config file and post the entire dmesg somewhere.

Thanks,

-- Steve

>




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