Re: KVM VM(windows xp) reseted when running geekbench for about 2 days

From: Yan Vugenfirer
Date: Thu Apr 18 2013 - 09:28:32 EST



On Apr 18, 2013, at 3:55 PM, Gleb Natapov wrote:

> On Thu, Apr 18, 2013 at 12:00:49PM +0000, Zhanghaoyu (A) wrote:
>> I start 10 VMs(windows xp), then running geekbench tool on them, about 2 days, one of them was reset,
>> I found the reset operation is done by
>> int kvm_cpu_exec(CPUArchState *env)
>> {
>> ...
>> switch (run->exit_reason)
>> ...
>> case KVM_EXIT_SHUTDOWN:
>> DPRINTF("shutdown\n");
>> qemu_system_reset_request();
>> ret = EXCP_INTERRUPT;
>> break;
>> ...
>> }
>>
>> KVM_EXIT_SHUTDOWN exit reason was set previously in triple fault handle handle_triple_fault().
>>
> How do you know that reset was done here? This is not the only place
> where qemu_system_reset_request() is called.

Make sure XP is not set to auto-reset in case of BSOD.

Best regards,
Yan.

>
>> What causes the triple fault?
>>
> Are you asking what is triple fault or why it happened in your case?
> For the former see here: http://en.wikipedia.org/wiki/Triple_fault
> For the later it is to late to tell after VM reset. You can run QEMU with
> -no-reboot -no-shutdown. VM will pause instead of rebooting and then you
> can examine what is going on.
>
> --
> Gleb.
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