Re: [perfmon2] (no subject)

2009-11-10 Thread stephane eranian
David, Could you try recompiling your kernel without preemption turned on? On Sun, Nov 8, 2009 at 12:09 AM, David Nellans wrote: > I've been able to replicate what seems to be a race condition based bug. > I can run many traces without a crash, and sometimes it will crash on the > first attem

Re: [perfmon2] (no subject)

2009-11-10 Thread David Nellans
Hey Stephane, Sorry for not following up on this sooner - here is a bit more info on my own debugging process The dmesg dump was when using the "low latency desktop" option for preempt but with preemptable RCU turned off. By moving to "server"( no preempt) I am still able to lock up the machine