On 18/04/19 10:05, Takashi Iwai wrote: > On Thu, 18 Apr 2019 09:53:28 +0200, > Greg Kroah-Hartman wrote: >> >> 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? > > Only 5.0.x has been tested, so far. > I'll ask the reporter to try 5.1-rc if Paolo can't reproduce the > problem in his side.
Back from vacation. I'll try AMD, that's the most likely culprit. Paolo
