On Tue, May 21, 2019 at 01:37:42PM +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=203543 > > --- Comment #10 from moi@xxxxxxxxxxxxx --- > Reverting both commits solves this problem: > > f93f7ede087f2edcc18e4b02310df5749a6b5a61 > e51bfdb68725dc052d16241ace40ea3140f938aa Hmm, that makes no sense, f93f7ede087f is a straight revert of e51bfdb68725. I do see the same behavior on v5.2-rc1 where hiding the pmu from L1 breaks nested virtualization, but manually reverting both commits doesn't change that for me, i.e. there's another bug lurking, which I'll start hunting. Any chance the successful test used a different command line or something?