On Thu, Apr 14, 2016 at 03:16:29AM +0200, Paolo Bonzini wrote: > On 14/04/2016 00:29, Marc Haber wrote: > > On Wed, Apr 13, 2016 at 10:36:34PM +0200, Paolo Bonzini wrote: > >> Didn't help, but a fresh look at the list of 4.5 patches helped. > >> What the hell was I thinking, I missed write_rdtscp_aux who > >> obviously uses MSR_TSC_AUX. > > > > I applied this patch to 4.5, which didn't go cleanly, I had to do it > > manually, and there is no change in behavior. Sometimes, the Vm just > > crashes, but most times the filesystem is remounted ro. > > Ok, then I guess bisection is needed. Please first try commit > 45bdbcfdf241. If it fails, then the bug come together with KVM's merge > window changes for 4.5-rc1. Please apply the patch I sent here when > bisection is past 46896c73c1a4dde527c3a3cc43379deeb41985a1 (which means > that probably that should be the commit you try second; the bisection > then becomes much easier). I have never bisected this deeply. Can you please give more advice, with which two commits to start? And how do I find out whether I am "past" a commit? I am als not a git expert, a few command lines would be appreciated. Things have not become any easier this night; 4.5-rc7 ran for more than three hours before it failed :-( Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402 Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html