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Re: [Qemu-devel] Windows Virtio Issue
From: |
Vadim Rozenfeld |
Subject: |
Re: [Qemu-devel] Windows Virtio Issue |
Date: |
Sun, 8 Apr 2012 19:55:07 +0300 |
User-agent: |
KMail/1.13.7 (Linux/3.3.0-rc5+; KDE/4.6.5; x86_64; ; ) |
On Monday, March 26, 2012 05:51:37 PM Vadim Rozenfeld wrote:
> On Monday, March 26, 2012 02:45:34 PM Paul Fisher wrote:
> > On 26 March 2012 09:50, Vadim Rozenfeld <address@hidden> wrote:
> > > On Sunday, March 25, 2012 07:01:54 PM Yan Vugenfirer wrote:
> > > Hi Paul,
> > > Could you try reproducing this problem on "-smp 2" guest, with
> > > small memory dump option turned on, instead of kernel memory dump.
> > >
> > > Thanks,
> > > Vadim.
> >
> > Hi Vadim.
> >
> > Thank you kindly for getting back to me.
> >
> > I can certainly do that:
> >
> > Dump and BSOD are in a zip at
> > http://dl.dropbox.com/u/12332019/2200-VirtioBSOD-2.zip
> >
> > This time running with 2 cores:
> >
> > qemu-kvm -m 1024 -smp sockets=1,cores=2 -cpu host -nodefaults -vga cirrus
> > -vnc :1 -drive if=none,id=block.0,format=raw,
> > cache=writeback,file=drive.img -device
> > virtio-blk-pci,bootindex=1,drive=block.0 -monitor stdio
> >
> > Same procedure to get it to break - run crystal disk mark. Passed the
> > stream read/write and 512k block read/write - broke at the seek intensive
> > 4k level.
> >
> > Regards,
> > Paul
>
> Hi Paul,
> Managed to reproduce this problem, thank you. Going to fix it in the build.
> Meanwhile, instead of writeback, could you try cache=off ?
>
> Best regards,
> Vadim.
should be fixed in build25
http://download.devel.redhat.com/brewroot/packages/virtio-win-
prewhql/0.1/25/win/virtio-win-prewhql-0.1.zip
http://people.redhat.com/vrozenfe/build-25/virtio-win-prewhql-0.1.zip
Note that it is a pre-WHQL build, so use it on your own risk.
Use https://bugzilla.redhat.com/show_bug.cgi?id=810694 for the bug tracking.
Cheers,
Vadim.