From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: paulmck@linux.vnet.ibm.com
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org, anton@samba.org
Subject: Re: BUG: scheduling while atomic: swapper/0/0x00000002
Date: Tue, 29 Jun 2010 07:29:29 +1000 [thread overview]
Message-ID: <1277760569.4200.190.camel@pasglop> (raw)
In-Reply-To: <20100628164906.GA6667@linux.vnet.ibm.com>
On Mon, 2010-06-28 at 09:49 -0700, Paul E. McKenney wrote:
> And it does appear to be reproducible perhaps 50% of boots running
> CONFIG_PREEMPT on kernel-ml8. I have not yet seen it on any other
> system.
> Do you have a patch to instrument the interrupts so as to get the info
> you need, or should I improvise?
ftrace & friends ?
I don't have anything existing in mind...
Cheers,
Ben.
prev parent reply other threads:[~2010-06-28 21:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-09 21:52 BUG: scheduling while atomic: swapper/0/0x00000002 Paul E. McKenney
2010-06-09 23:20 ` Benjamin Herrenschmidt
2010-06-10 1:08 ` Paul E. McKenney
2010-06-28 16:49 ` Paul E. McKenney
2010-06-28 21:29 ` Benjamin Herrenschmidt [this message]
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