Bugs item #1710701, was opened at 2007-05-01 16:38
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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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