Re: Restoring saved guest causes guest to reboot

[Markus Schade <markus.schade@gmail.com>]

On 05/30/2011 08:02 PM, Marcelo Tosatti wrote:
> On Mon, May 30, 2011 at 02:16:41PM +0200, Markus Schade wrote:
>> On Thu, 26 May 2011, Joerg Roedel wrote:
>>
>>> On Thu, May 26, 2011 at 05:20:32PM +0200, Markus Schade wrote:
>>>> On 05/26/2011 01:28 PM, Markus Schade wrote:
>>>>> On 05/26/2011 08:44 AM, Avi Kivity wrote:
>>>>>> On 05/25/2011 09:49 AM, Markus Schade wrote:
>>>>>>>
>>>>>>> Git bisect tells me that this is the first bad commit:
>>>>>>> -----------------%<-----------------
>>>>>>> aff48baa34c033318ad322ecbf2e4bcd891b29ca is the first bad commit
>>>>>>
>>>>>> Does your machine have ept?
>>>>>>
>>>>>> (cat /sys/module/kvm_intel/parameters/ept)
>>>>>>
>>>>>
>>>>> Sure. (Assuming that the Y means yes). I am no C developer, but I was
>>>>> wondering, if the issue is related to the difference in
>>>>> ept_update_paging_mode_cr0 between original patch in the kvm git and the
>>>>> linux-2.6. git tree.
>>>>
>>>> I have re-added the missing 4 lines to ept_update_paging_mode_cr0 in
>>>> vmx.c, which resolves this issue for in Kernel 2.6,37 and 2.6.39.
>>>> I haven't tested all guests, but neither Squeeze nor 2008 R2 reboot anymore.
>
> Please check whether the following patch fixes the problem for you.

Marcelo,

your patch fixes the problem as well (tested in 2.6.39.1). Thanks a lot.

Markus