[Spice-devel] spice broken with upstream qemu / qemu-kvm

[Christophe Fergeau]

Hey,

On Thu, Nov 03, 2011 at 08:51:40AM +0100, Hans de Goede wrote:
> On 11/03/2011 07:58 AM, Yonit Halperin wrote:
> >I've tried qemu upstream + spice upstream. I used Windows 7 guest
> >and some of the times it hanged on start up before going from vga mode to native mode. After I removed the virtio-serial device it seems that spice works fine.
> 
> Interesting I had a similar problem with an XP guest a while ago,
> downgrading the virtio serial driver from this one:
> http://spice-space.org/download/binaries/virtio-serial_20110725.zip
> To this one:
> http://spice-space.org/download/unstable/vioserial-win-1.1.16.zip
> 
> Made the problem of hang on startup go away. Also iirc if you connect
> the spice client after the bios screen, but before the switch from
> vga to native, then the hang happens. Where as if you connect
> after the switch from vga to native the hang does not happen.
> 
> I'm afraid I failed to properly follow up on this, but if you can
> reproduce, and also can confirm that the problem goes away when
> you downgrade to vioserial-win-1.1.16.zip, then it is time to
> file a bug with the virtio guys.

For what it's worth, I've filed
https://bugzilla.redhat.com/show_bug.cgi?id=750773 yesterday which seems
really similar to what you're describing. However I have no clue why the
revert mentioned in this bug help, it might just be papering over the issue
for some reason

Christophe
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