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xen-devel
Re: [Xen-devel] Regression in PCI pass-through from qemu-xen changeset "
On Fri, May 01, 2009 at 03:57:49PM +0100, Ian Jackson wrote:
> Simon Horman writes ("[Xen-devel] Regression in PCI pass-through from
> qemu-xen changeset "Fix hvm guest cirrus_vga hvm s3 resume failure""):
> > Apologies if this has been reported elsewhere.
>
> Not that I've seen.
>
> > Changeset "Fix hvm guest cirrus_vga hvm s3 resume failure"
> > (08251d35eafe5bafff42d226ccd56277014b16e9) in qemu-xen-unstable.git
> > appears to cause a regression. This changeset was applied
> > between the xen-3.4.0-rc2 and xen-3.4.0-rc3 tags of qemu-xen-unstable.git.
>
> You've definitely isolated it to this changeset ?
>
> The symptoms you describe are very odd and don't seem to correspond
> meaningfully to anything in the changeset. The changeset does two
> things:
>
> * Removes a memset to 0xff of the VGA screen memory.
> * Moves forward vga_bios_init which just initialises a bunch
> of the cirrus_vga registers, to put it before graphic_console_init.
Hi Ian,
you are right, that does seem somewhat odd. I will re-run my tests.
--
Simon Horman
VA Linux Systems Japan K.K. Satellite Lab in Sydney, Australia
H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en
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