[Users] Using vioserial in Win7/2008R2 stalls the guest

[Maxim Burgerhout]

I've seen this happen on Windows VM's on plain KVM on Fedora as well.

Regards,

Maxim Burgerhout
maxim at wzzrd.com
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EB11 5E56 E648 9D99 E8EF 05FB C513 6FD4 1302 B48A




On Wed, Sep 19, 2012 at 2:32 PM, Karli Sjöberg <Karli.Sjoberg at slu.se> wrote:

>  Hey all,
>
>  I have noticed that using the virtio serial driver in Windows 7 and
> 2008R2 guests stalls the guests with 100% load on guest CPU. This happens
> both on guests that have been active for a while without the driver, and
> then you try loading it, or with installing new guests and loading this
> particular driver in the windows installer. I have downloaded the
> virtio-win-0.1.30.iso from linux-kvm ftp. Has anyone else noticed this in
> oVirt-3.1? I haven´t been able to test this outside of oVirt, directly with
> KVM, so I don´t know if it´s an oVirt or KVM specific issue, I´m just
> letting everyone know this has happened, and if ovirt-engine is supposed to
> use this serial interface to "talk" with the guest back and forth; that´s
> going to hard to do if it´s stalled:)
>
>
>  Med Vänliga Hälsningar
>
> -------------------------------------------------------------------------------
> Karli Sjöberg
> Swedish University of Agricultural Sciences
> Box 7079 (Visiting Address Kronåsvägen 8)
> S-750 07 Uppsala, Sweden
> Phone:  +46-(0)18-67 15 66
> karli.sjoberg at slu.se <karli.sjoberg at adm.slu.se>
>
>
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>
>
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