On 09/25/2012 03:54 AM, Pawel Moll wrote:
No, not RCU lockups, however some of my colleagues had some problems originating at twd_handler, similarly to your callstack. Apparently reverting commit 1e75fa8be9fb61e1af46b5b3b176347a4c958ca1 "time: Condense timekeeper.xtime into xtime_sec" helped.
I've had a fix that was pending in tip/timers/urgent and just landed upstream on Friday. Do let me know if you continue to see this issue with -rc7.
thanks -john