https://bugzilla.kernel.org/show_bug.cgi?id=216177 --- Comment #7 from Yang Lixiao (lixiao.yang@xxxxxxxxx) --- (In reply to Sean Christopherson from comment #6) > On Tue, Jun 28, 2022, bugzilla-daemon@xxxxxxxxxx wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=216177 > > > > --- Comment #5 from Nadav Amit (nadav.amit@xxxxxxxxx) --- > > > On Jun 27, 2022, at 6:19 PM, bugzilla-daemon@xxxxxxxxxx wrote: > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=216177 > > > > > > --- Comment #3 from Yang Lixiao (lixiao.yang@xxxxxxxxx) --- > > > (In reply to Nadav Amit from comment #2) > > >>> On Jun 27, 2022, at 5:28 PM, bugzilla-daemon@xxxxxxxxxx wrote: > > >>> > > >>> https://bugzilla.kernel.org/show_bug.cgi?id=216177 > > >>> > > >>> Sean Christopherson (seanjc@xxxxxxxxxx) changed: > > >>> > > >>> What |Removed |Added > > >>> > > >> > > > ---------------------------------------------------------------------------- > > >>> CC| |seanjc@xxxxxxxxxx > > >>> > > >>> --- Comment #1 from Sean Christopherson (seanjc@xxxxxxxxxx) --- > > >>> It's vmx_preemption_timer_expiry_test, which is known to be flaky > (though > > >>> IIRC > > >>> it's KVM that's at fault). > > >>> > > >>> Test suite: vmx_preemption_timer_expiry_test > > >>> FAIL: Last stored guest TSC (28067103426) < TSC deadline (28067086048) > > >> > > >> For the record: > > >> > > >> > > https://lore.kernel.org/kvm/D121A03E-6861-4736-8070-5D1E4FEE1D32@xxxxxxxxx/ > > > > > > Thanks for your reply. So this is a KVM bug, and you have sent a patch to > > kvm > > > to fix this bug, right? > > > > As I noted, at some point I did not manage to reproduce the failure. > > > > The failure on bare-metal that I experienced hints that this is either a > test > > bug or (much less likely) a hardware bug. But I do not think it is likely > to > > be > > a KVM bug. > > Oooh, your failure was on bare-metal. I didn't grok that. Though it could > be > both a hardware bug and a KVM bug :-) In my tests, I tested kvm-unit-tests vmx on bare-metal (not on VM) and this bug happened on two different Ice Lake machines and one Cooper Lake machine. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
