lkml.org 
[lkml]   [2019]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [REGRESSION 5.0.x] Windows XP broken on KVM
On Thu, 18 Apr 2019 10:05:34 +0200,
Takashi Iwai wrote:
>
> 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.

The reporter confirmed that the problem is present with the latest
5.1-rc kernel, too.

FWIW, it's a Ryzen system. Check the bugzilla URL above for details.


thanks,

Takashi

\
 
 \ /
  Last update: 2019-04-23 22:29    [W:0.058 / U:0.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site