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
next prev parent 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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