Re: porting fixes regarding kvm-clock and lost irqs to stable qemu-kvm 0.12.4

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On Wed, Jun 02, 2010 at 05:13:30PM +0200, Peter Lieven wrote:
> Hi,
> 
> I would like to get latest stable qemu-kvm (0.12.4) to a usable state
> regarding live-migration.
> 
> Problems are fixed in git, but there is so much new stuff that has not
> extensively tested and therefore I would like to stay at 0.12.4 at
> the moment.
> 
> Therefore I would appreciate your help regarding 2 bugs:
> 
> a) -cpu xxx,-kvmclock doesn't work in 0.12.4. It started working first
> after applying a patchset from Avi that is not even in git yet. What
> needs to be done to get it working in 0.12.4 ?

You want to disable kvmclock? -no-kvmclock kernel option.

Note migration should be working fine since kvm.git commit 
afbcf7ab8d1bc8c2d04792f6d9e786e0adeb328d.

> b) There is a bug in 0.12.4 which leads to lost irqs. It was reported
> appearing in virtio_blk (#584131) and e1000 (#585113). It is finally
> fixed in GIT. Can someone give me a hint with commit fixed this?

c3f8f61157625d0bb5bfc135047573de48fdc675.

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