On Tue, 2011-06-14 at 16:42 -0700, Paul E. McKenney wrote: > On Tue, Jun 14, 2011 at 06:26:01PM -0400, Sasha Levin wrote: > > Sorry for the delay on this. > > Actually, you might have had excellent timing on this one. > > Could you please try Shaohua Li's patch at: > > https://lkml.org/lkml/2011/6/14/20 > > This patch makes RCU much less prone to causing massive scheduler lock > contention, which might well be the cause of the problems that you > are seeing.
This patch has solved the hang issue I've had. kvm tools now boots 60 vcpus easily with 3.0 kernel. -- Sasha. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
