Re: [REGRESSION 5.0.x] Windows XP broken on KVM
From: Takashi Iwai
Date: Thu Apr 18 2019 - 04:05:37 EST
On Thu, 18 Apr 2019 09:53:28 +0200,
Greg Kroah-Hartman wrote:
> On Thu, Apr 18, 2019 at 09:38:52AM +0200, Takashi Iwai wrote:
> > Hi,
> > we've got a regression report on the recent 5.0.x kernel, starting
> > from 5.0.6, where Windows XP can't boot on KVM any longer.
> > The culprit seems to be the patch
> > KVM: x86: update %rip after emulating IO
> > with the upstream commit 45def77ebf79e2e8942b89ed79294d97ce914fa0.
> > Reverting this alone fixed the problem.
> > The report is found at openSUSE bugzilla:
> > https://bugzilla.suse.com/show_bug.cgi?id=1132694
> > Is there already a followup fix? If not, we need to revert it from
> > stable, at least.
> Is this also a problem in 5.1-rc5?
Only 5.0.x has been tested, so far.
I'll ask the reporter to try 5.1-rc if Paolo can't reproduce the
problem in his side.