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From: Markus Schade <marks@markusschade.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Markus Schade <markus.schade@gmail.com>,
	Joerg Roedel <joro@8bytes.org>, Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org
Subject: Re: Restoring saved guest causes guest to reboot
Date: Tue, 31 May 2011 11:44:51 +0200	[thread overview]
Message-ID: <4DE4B893.6040902@markusschade.com> (raw)
In-Reply-To: <20110530180246.GA9285@amt.cnet>

Am 30.05.2011 20:02, schrieb Marcelo Tosatti:
> 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:
>>>> 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.
>>>
>>> Hmm, not 100% sure, but the issue might be that the arch.cr3 value does
>>> not make it into the vmcs after cr3 was changed from user-space? This
>>> would also be fixed with the change above.
>>
>> So, basically, Linus just has to re-pull, since the
>> "change" I made is already in the tree. Or is there another way to solve
>> this? I find it hard to believe that I am the only one using
>> save/restore on Nehalem CPUs or that this bug only affects me.
>> Although I can verify this on dozens of machines.
>
> Markus,
>
> Please check whether the following patch fixes the problem for you.

Thanks, I will try that. But I won't be able to get back to you before 
next week (short week in Germany *g*)

Markus

  reply	other threads:[~2011-05-31 10:19 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-24  7:11 Restoring saved guest causes guest to reboot Markus Schade
2011-05-24  9:18 ` Joerg Roedel
2011-05-24  9:35   ` Markus Schade
2011-05-24  9:40     ` Joerg Roedel
2011-05-24 11:42       ` Markus Schade
2011-05-24 13:02         ` Joerg Roedel
2011-05-24 13:20           ` Avi Kivity
2011-05-24 13:37             ` Markus Schade
2011-05-24 13:42               ` Avi Kivity
2011-05-25  6:49                 ` Markus Schade
2011-05-26  6:44                   ` Avi Kivity
2011-05-26 11:28                     ` Markus Schade
2011-05-26 15:20                       ` Markus Schade
2011-05-26 15:25                         ` Joerg Roedel
2011-05-30 12:16                           ` Markus Schade
2011-05-30 18:02                             ` Marcelo Tosatti
2011-05-31  9:44                               ` Markus Schade [this message]
2011-06-06 13:57                               ` Markus Schade

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