Messages in this thread |  | | | Date | Tue, 6 Jan 2009 12:40:18 +0530 | | From | Vaidyanathan Srinivasan <> | | Subject | Re: [BUG] 2.6.28-git LOCKDEP: Possible recursive rq->lock |
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* Ingo Molnar <mingo@elte.hu> [2009-01-05 14:06:38]:
> > * Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> wrote: > > > * Peter Zijlstra <a.p.zijlstra@chello.nl> [2009-01-04 19:08:43]: > > > > > On Sun, 2009-01-04 at 23:14 +0530, Vaidyanathan Srinivasan wrote: > > > > Hi Ingo, > > > > > > > > Kernbench runs on latest Linux git tree stalled with the following > > > > lockdep warning. > > > > > > > > Lockdep warning and lockup on Jan 3 Linus git tree > > > > commit 7d3b56ba37a95f1f370f50258ed3954c304c524b > > > > > > > > kernbench run with two threads stalled. sched_mc was zero. > > > > x86_64 system with 8 logical CPUs in dual socket quad core > > > > configuration. > > > > > > > > I will post more information as I debug this warning/bug. > > > > > > Its ca109491f612aab5c8152207631c0444f63da97f, I've some ideas on how to > > > fix this, just haven't gotten around to actually doing anything -- > > > seeing how it was holidays and such.. > > > > Hi Peter, > > > > I can definitely test your fix when you have them. I have an > > autotest job that hits this bug. > > could you check latest tip/master, it has Peter's and Thomas's hrtimer > fixes.
Hi Ingo,
I have started a test run with the today's sched-tip. I will report results.
--Vaidy
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