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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Takashi Iwai <tiwai@suse.de>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	Jiri Slaby <jslaby@suse.cz>,
	linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION 5.0.x] Windows XP broken on KVM
Date: Tue, 23 Apr 2019 22:23:17 +0200	[thread overview]
Message-ID: <20190423202317.GA15182@kroah.com> (raw)
In-Reply-To: <f1b93e90-edf2-f3ba-4d94-652929e6cca6@redhat.com>

On Thu, Apr 18, 2019 at 09:56:02AM +0200, Paolo Bonzini wrote:
> On 18/04/19 09:38, 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.
> 
> No, it's the first time I hear this and I actually test Windows XP
> before every pull request I send to Linus...  I'll download 5.0.x and
> test it there.

Any further ideas about this?

thanks,

greg k-h

  reply	other threads:[~2019-04-23 20:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-18  7:38 [REGRESSION 5.0.x] Windows XP broken on KVM Takashi Iwai
2019-04-18  7:53 ` Greg Kroah-Hartman
2019-04-18  8:05   ` Takashi Iwai
2019-04-18 23:31     ` Sean Christopherson
2019-04-23 20:28     ` Takashi Iwai
2019-04-26  8:17     ` Paolo Bonzini
2019-04-18 21:49   ` Harald Arnesen
2019-04-18  7:56 ` Paolo Bonzini
2019-04-23 20:23   ` Greg Kroah-Hartman [this message]
2019-04-24  0:18     ` Sean Christopherson
2019-04-18 21:59 ` Harald Arnesen

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