[fedora-virt] Fedora reboots when using libvirt

[Marco André Dinis]

Hi

This is my system:
Fedora 19
libvirtd (libvirt) 1.0.5.7
( I downgraded to this kernel version trying to solve the problem, but no
luck.)

-------------
This is the error message:

> [  536.083922] Disabling lock debugging due to kernel taint
>
> [  536.089320] mce: [Hardware Error]: CPU 3: Machine Check Exception: 4
>> Bank 5: be00000000800400
>
> [  536.097942] mce: [Hardware Error]: TSC 1343d498e08 ADDR 3fbbf66e4a78
>> MISC 1
>
> [  536.105139] mce: [Hardware Error]: PROCESSOR 0:20652 TIME 1386007650
>> SOCKET 0 APIC 5 microcode 9
>
> [  536.114021] mce: [Hardware Error]: Run the above through 'mcelog
>> --ascii'
>
> [  536.120889] mce: [Hardware Error]: CPU 1: Machine Check Exception: 4
>> Bank 5: be00000000800400
>
> [  536.129505] mce: [Hardware Error]: TSC 1343d4b4948 ADDR 3fbbf66e4a78
>> MISC 1
>
> [  536.136700] mce: [Hardware Error]: PROCESSOR 0:20652 TIME 1386007650
>> SOCKET 0 APIC 4 microcode 9
>
> [  536.145582] mce: [Hardware Error]: Run the above through 'mcelog
>> --ascii'
>
> [  536.152444] mce: [Hardware Error]: Machine check: Processor context
>> corrupt
>
> [  536.159483] Kernel panic - not syncing: Fatal Machine check
>
> [  536.165127] drm_kms_helper: panic occurred, switching back to text
>> console
>
> [  536.174297] Rebooting in 30 seconds..
>
> [  566.288306] ACPI MEMORY or I/O RESET_REG.
>
>
I was running a virtual machine using qemu-kvm.

What i already tried:
- memtest -> no error.
- formatted and installed only the base system (no DE).
- downgraded kernel: 3.9.5-301.fc19.x86
- swapped the disk with another server (no error with kernel 3.9.5 but i
could only test during some hours, i dont have an extra machine anymore)

Any suggestions?
Thanks, and sorry my not-good english
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