On Sun, Dec 18, 2011 at 03:25:48PM -0600, Nate Custer wrote: > > On Dec 16, 2011, at 2:29 PM, Vivek Goyal wrote: > > Thanks for testing it Nate. I did some debugging and found out that patch > > is doing double free on per cpu pointer hence the crash you are running > > into. I could reproduce this problem on my box. It is just a matter of > > doing rmdir on the blkio cgroup. > > > > I understood the cmpxchg() semantics wrong. I have fixed it now and > > no crashes on directory removal. Can you please give this version a > > try. > > > > Thanks > > Vivek > > After 24 hours of stress testing the machine remains up and working without > issue. I will continue to test it, but am reasonably confident that this > patch resolves my issue.
That's good to know. While you continue to stress test, I will make some minor modifications to the patch. (Thinking of delaying the retry of allocation of per cpu memory in case previous attempts failed). Thanks Vivek -- 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
