From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH v3] powerpc: Add irqtrace support for 32-bit powerpc
Date: Wed, 23 Apr 2008 14:40:39 +1000 [thread overview]
Message-ID: <1208925639.9060.16.camel@pasglop> (raw)
In-Reply-To: <1207690574.7442.4.camel@johannes.berg>
On Tue, 2008-04-08 at 23:36 +0200, Johannes Berg wrote:
> > > This version fixes the clobbering of r12 by the call to
> > > trace_hardirqs_off() that was pointed out by BenH.
> > >
> > > Johannes, I'd appreciate your trying this version if/when
> > > you get the chance.
> >
> > Thanks Dale, this version seems to work. I'll stress it a bit more
> > later, but so far it has survived *much* longer than both previous
> > versions.
>
> Hmm. Bad news. I got a crash in console_callback() again where
> apparently r28 had a bogus value. That, however, doesn't make sense, so
> maybe that register value was calculated from another register.
Possibly. How hard was it to reproduce ? Could it be a bug unrelated to
lockdep ?
Ben.
next prev parent reply other threads:[~2008-04-23 4:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 21:39 [PATCH v2] powerpc: Add irqtrace support for 32-bit powerpc Dale Farnsworth
2008-04-04 22:07 ` Benjamin Herrenschmidt
2008-04-04 22:35 ` Dale Farnsworth
2008-04-04 22:46 ` Benjamin Herrenschmidt
2008-04-04 23:31 ` Johannes Berg
2008-04-05 5:14 ` Benjamin Herrenschmidt
2008-04-05 5:41 ` Dale Farnsworth
2008-04-07 4:49 ` Benjamin Herrenschmidt
2008-04-07 13:10 ` Johannes Berg
2008-04-07 16:21 ` Dale Farnsworth
2008-04-07 16:16 ` Dale Farnsworth
2008-04-07 17:14 ` [PATCH v3] " Dale Farnsworth
2008-04-08 16:04 ` Johannes Berg
2008-04-08 21:36 ` Johannes Berg
2008-04-18 13:19 ` Kumar Gala
2008-04-23 4:40 ` Benjamin Herrenschmidt [this message]
2008-04-23 6:33 ` Johannes Berg
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