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SubjectRe: 3.11-rc2: panic in __rdmsr_on_cpu
From
On Thu, Jul 25, 2013 at 6:32 PM, Ilia Mirkin <imirkin@alum.mit.edu> wrote:
> Hi,
>
> I just built a 3.11-rc2 kernel (+ a few patches, but nothing
> arch-related), and I saw the following: http://i.imgur.com/dCTqOyR.jpg
>
> The rough transcription is
>
> Call Trace:
> <IRQ>
> generic_smp_call_fucntion_single_interrupt
> smp_call_function_single_interrupt
> call_function_single_interrupt
> <EOI>
> ? default_idle
> ? default_idle
> arch_cpu_idle
> cpu_startup_entry
> rest_init
> start_kernel
> ? repair_env_string
> x86_64_start_reservations
> x86_64_start_kernel
> Code: ... cc 81 8b 0f <0f> 32 48 c1 e2 20 89 c0 ...
> RIP: __rdmsr_on_cpu+0x2e/0x44
> Kernel panic - not syncing: Fatal exception in interrupt
>
> A 3.10-rc7 kernel booted just fine. Is this likely a real issue? Or
> perhaps a mis-build of some sort?

FWIW this is repeatable. I did a clean build (make clean && make) and
I still see the same thing. I have a Core i7-920 cpu, not sure what
other information would be relevant. I'd love to avoid a bisect, so
some likely candidates would be most welcome.

Thanks,

-ilia


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