Messages in this thread | | | From | Anant Nitya <> | Subject | Re: [BUG] local_softirq_pending storm | Date | Mon, 21 May 2007 11:52:07 +0530 |
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On Monday 21 May 2007 03:13:08 Thomas Gleixner wrote: > On Sun, 2007-05-20 at 02:53 +0530, Anant Nitya wrote: > > > 1 == TASK_INTERRUPTIBLE, so we know that ksoftirqd was not woken up. At > > > least it is not a scheduler problem. > > > > > > I work out a more complex debug patch and pester you to test once I'm > > > done. > > > > No problem :) > > You asked for it :) > > Please patch 2.6.22-rc2 with > > http://tglx.de/projects/hrtimers/2.6.22-rc2/patch-2.6.22-rc2-hrt2.patch > and > http://www.tglx.de/private/tglx/ht-debug/tracer.diff > > Compile it with the config > > http://www.tglx.de/private/tglx/ht-debug/config.debug > > You should find something like: > > ( swapper-0 |#0): new 67173 us user-latency. > > along with the familiar "NOHZ ......" message in your log file. > > Once that happened please do: > > $ cat /proc/latency_trace >trace.txt > > compress it and send it to me along with the full dmesg output or put > both up to some place, where I can download it. Hi Thomas
Here are the links... http://cybertek.info/taitai/dmesg-2.6.22.rc2.hrt2-1.SMP.DN.LINUX.txt http://cybertek.info/taitai/trace.txt.bz2
Regards Ananitya
> > Michal, > > IIRC you encountered the same P4/HT related wreckage. Can you do the > same ? > > Thanks, > > tglx
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