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Re: [Qemu-devel] another locking issue in current dataplane code?


From: Christian Borntraeger
Subject: Re: [Qemu-devel] another locking issue in current dataplane code?
Date: Tue, 08 Jul 2014 13:03:43 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 08/07/14 12:37, Christian Borntraeger wrote:
> On 08/07/14 12:12, Christian Borntraeger wrote:
>> On 08/07/14 11:09, Christian Borntraeger wrote:
>>> On 08/07/14 09:43, Ming Lei wrote:
>>>> On Tue, Jul 8, 2014 at 3:19 PM, Christian Borntraeger
>>>> <address@hidden> wrote:
>>>>> Ping.
>>>>>
>>>>> has anyone seen a similar hang on x86?
>>>
>>> The problem seems to be, that for managedsave, we do a VM stop before we 
>>> call the migration_state_notifier. to be verified.
>>
>> Yes. virsh suspend also hangs. Any ideas?
>>
> 
> Finally found a solution. Merging belows merge request from upstream seems to 
> fix my issues. I guess the plugging/unplugging fixed this implicetely,but I 
> dont understand it yet.
> Since the problem is gone, I will no longer investigate...

Sigh. This merge just made the bug less likely to occur.


> 
> 
> Bug fixes for QEMU 2.1-rc1.
> 
> The following changes since commit 9d9de254c2b81b68cd48f2324cc753a570a4cdd8:
> 
>   MAINTAINERS: seccomp: change email contact for Eduardo Otubo (2014-07-03 
> 12:36:15 +0100)
> 
> are available in the git repository at:
> 
>   git://github.com/stefanha/qemu.git tags/block-pull-request
> 
> for you to fetch changes up to f4eb32b590bf58c1c67570775eb78beb09964fad:
> 
>   qmp: show QOM properties in device-list-properties (2014-07-07 11:10:05 
> +0200)
> 




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