Re: Restoring saved guest causes guest to reboot

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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
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