linux-kernel - Re: [REGRESSION 5.0.x] Windows XP broken on KVM

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Date:   Thu, 18 Apr 2019 23:49:32 +0200
From:   Harald Arnesen <harald@...gtun.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Takashi Iwai <tiwai@...e.de>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION 5.0.x] Windows XP broken on KVM

Greg Kroah-Hartman [18.04.2019 09:53]:

> 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?

My previously installed Windows XP boots and runs fine in 5.1-rc5.
-- 
Hilsen Harald