On 04/09/2011 03:59 PM, Ingo Molnar wrote:
>
> * Pekka Enberg <penberg@xxxxxxxxxx> wrote:
>
>> In preparation for threaded execution model, this patch introduces a KVM VCPU
>> data structure 'struct kvm_cpu'.
>>
>> Cc: Asias He <asias.hejun@xxxxxxxxx>
>> Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
>> Cc: Ingo Molnar <mingo@xxxxxxx>
>> Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
>> ---
...
>
> This commit causes a segfault for 'kvm run bzImage':
>
> (gdb) set args run bzImage
> (gdb) run
> Starting program: /home/mingo/tip/tools/kvm/kvm run bzImage
> [Thread debugging using libthread_db enabled]
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000405054 in setup_bios (kvm=0x68a010) at bios.c:106
> 106 memset(p, 0, BDA_END - BDA_START);
Ugh, Pekka, was the memory properly mmaped? Setup bios called multiple
times in every thread?
--
Cyrill
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