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

[Paolo Bonzini]

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.

Paolo