Messages in this thread |  | | | Date | Mon, 5 Apr 2010 08:57:04 +0200 | | From | Frederic Weisbecker <> | | Subject | Re: Random scheduler/unaligned accesses crashes with perf lock events on sparc 64 |
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On Sun, Apr 04, 2010 at 06:00:57PM -0700, David Miller wrote: > From: Frederic Weisbecker <fweisbec@gmail.com> > Date: Sun, 4 Apr 2010 14:21:19 +0200 > > > Forgot the config, it's in attachment. > > I get them too when even trying to use the function tracer in some > simple way. They occur in random places and eventually the entire > machine wedges and is unusuable.
Yeah. But it's not totally random. I often see the same scheduler crash.
It seems to happen after an unaligned access fixup.
> > I suspect there is some bug that ends up corrupting memory, so I > started trying to debug this last night when I first saw it.
Ok. I indeed have the same problem with the function tracer when it is running.
> I'll let you know if I make any progress.
Thanks!
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