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From: Takashi Iwai <tiwai@suse.de>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	Jiri Slaby <jslaby@suse.cz>,
	linux-kernel@vger.kernel.org
Subject: [REGRESSION 5.0.x] Windows XP broken on KVM
Date: Thu, 18 Apr 2019 09:38:52 +0200	[thread overview]
Message-ID: <s5hy347pxtf.wl-tiwai@suse.de> (raw)

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.


thanks,

Takashi

             reply	other threads:[~2019-04-18  7:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-18  7:38 Takashi Iwai [this message]
2019-04-18  7:53 ` [REGRESSION 5.0.x] Windows XP broken on KVM 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
2019-04-24  0:18     ` Sean Christopherson
2019-04-18 21:59 ` Harald Arnesen

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