On Tue, Apr 23, 2019 at 10:23:17PM +0200, Greg Kroah-Hartman wrote: > 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?
I followed up on the bugzilla to request more information. My best guess at this point is that the issue is related to an older version of Qemu or a specific emulated device, but without additional details we're stuck.
