[ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[SourceForge.net]

Bugs item #1710701, was opened at 2007-05-01 16:38
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1710701&group_id=180599

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: rdw (redwoood)
Assigned to: Nobody/Anonymous (nobody)
Summary: host gui gets messed up (mainly mouse issues) with kvm-21

Initial Comment:
I'm using a vanilla 2.6.19.2 kernel with kvm-21
and kvm-intel module (core 2 duo processor)

When I start qemu with -no-kvm everything is fine, but
when using kvm, the host (running X) shows some weird behaviour.
After a while using X (while the kvm qemu vm is running in the background), the 
video corrupts slightly (black vertical bars) and the (USB) mouse gets stuck to the left border of the screen.
It can be moved away very slowly, but if you do it too fast it jumps back to the left border.
Restarting X solves the problem for a short time, but once it happens, it happens again and again.
Shutting down qemu and rmmod-ing the kvm modules does not help once the problem occurs. I have to reboot to make it go away.

I saw some other people mentioning similar symptoms mainly with fedora systems and unrelated to kvm, but I run Ubuntu and have isolated the problem to be connected with kvm-21.
kvm-19 works just fine.


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Re: [ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[Andreas Hasenack]

On Tuesday 01 May 2007 13:38:15 SourceForge.net wrote:
> the video corrupts slightly (black vertical bars) and the (USB) mouse gets
> stuck to the left border of the screen. It can be moved away very slowly,

Got the almost the same exact behaviour here with kvm 21 and core2duo E6600 
processor. Just no video corruption (or it was so small that I didn't 
notice). But the mouse issue is identical.

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Re: [ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[Anthony Liguori]

Andreas Hasenack wrote:
> On Tuesday 01 May 2007 13:38:15 SourceForge.net wrote:
>   
>> the video corrupts slightly (black vertical bars) and the (USB) mouse gets
>> stuck to the left border of the screen. It can be moved away very slowly,
>>     
>
> Got the almost the same exact behaviour here with kvm 21 and core2duo E6600 
> processor. Just no video corruption (or it was so small that I didn't 
> notice). But the mouse issue is identical.
>   

I've seen this behavior without KVM.  I believe it's an issue with the 
USB subsystem.

Regards,

Anthony Liguori

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>   


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Re: [ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[Alessandro Sardo]

Hello,

I do too confirm this bug. It happens only with KVM-21, KVM-20 and older versions work just fine.
If running with the -no-kvm flag, the mouse problem does not occur though.

Regards,

AleS

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Re: [ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[Simon Gao]

I also saw the problem. The mouse cursor would park on the left side of
screen and could only move up and down. After removing kvm-21 modules
and replacing with kvm-20 modules, the problem went away. I am running
Gentoo with kernel 2.6.20.6.

Simon

Alessandro Sardo wrote:
> Hello,
>
> I do too confirm this bug. It happens only with KVM-21, KVM-20 and older versions work just fine.
> If running with the -no-kvm flag, the mouse problem does not occur though.
>
> Regards,
>
> AleS
>
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Re: [ kvm-Bugs-1710701 ] host gui gets messed up (mainly mouse issues) with kvm-21

[Pelle]

I have that too, but with a ps/2 mouse so the usb is in the clear, or it 
is an unrelated problem. But I don't think so.

SourceForge.net wrote:
> Bugs item #1710701, was opened at 2007-05-01 16:38
> Message generated for change (Tracker Item Submitted) made by Item Submitter
> You can respond by visiting: 
> https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1710701&group_id=180599
>
> Please note that this message will contain a full copy of the comment thread,
> including the initial issue submission, for this request,
> not just the latest update.
> Category: None
> Group: None
> Status: Open
> Resolution: None
> Priority: 5
> Private: No
> Submitted By: rdw (redwoood)
> Assigned to: Nobody/Anonymous (nobody)
> Summary: host gui gets messed up (mainly mouse issues) with kvm-21
>
> Initial Comment:
> I'm using a vanilla 2.6.19.2 kernel with kvm-21
> and kvm-intel module (core 2 duo processor)
>
> When I start qemu with -no-kvm everything is fine, but
> when using kvm, the host (running X) shows some weird behaviour.
> After a while using X (while the kvm qemu vm is running in the background), the 
> video corrupts slightly (black vertical bars) and the (USB) mouse gets stuck to the left border of the screen.
> It can be moved away very slowly, but if you do it too fast it jumps back to the left border.
> Restarting X solves the problem for a short time, but once it happens, it happens again and again.
> Shutting down qemu and rmmod-ing the kvm modules does not help once the problem occurs. I have to reboot to make it go away.
>
> I saw some other people mentioning similar symptoms mainly with fedora systems and unrelated to kvm, but I run Ubuntu and have isolated the problem to be connected with kvm-21.
> kvm-19 works just fine.
>
>
> ----------------------------------------------------------------------
>
> You can respond by visiting: 
> https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1710701&group_id=180599
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by DB2 Express
> Download DB2 Express C - the FREE version of DB2 express and take
> control of your XML. No limits. Just data. Click to get it now.
> http://sourceforge.net/powerbar/db2/
> _______________________________________________
> kvm-devel mailing list
> kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> https://lists.sourceforge.net/lists/listinfo/kvm-devel
>
>   


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