From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Christian Kujau <lists@nerdbynature.de>, linuxppc-dev@ozlabs.org
Subject: Re: 3.5+: yaboot, Invalid memory access
Date: Wed, 05 Sep 2012 05:49:17 +1000 [thread overview]
Message-ID: <1346788157.3025.12.camel@pasglop> (raw)
In-Reply-To: <1346768840.27919.2.camel@gandalf.local.home>
On Tue, 2012-09-04 at 10:27 -0400, Steven Rostedt wrote:
> As a test case, continuing on error is fine, but I would not recommend
> that as a fix. If it fails, but still does the patch, that could be
> harmful, and confusing of a result.
>
> Need to figure out why put_user is failing.
It's probably not failiing... it's just called in a context in very
early boot on ppc32 where the might_sleep() test in there will trip
(because we are running before we are operating at our link address) and
will crash horribly.
I'll try to figure out a good way to fix this today.
Cheers,
Ben.
next prev parent reply other threads:[~2012-09-04 19:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-31 5:46 3.5+: yaboot, Invalid memory access Christian Kujau
2012-08-01 2:02 ` Tony Breeds
2012-08-01 7:30 ` Christian Kujau
2012-09-04 6:18 ` Christian Kujau
2012-09-04 6:51 ` Michael Ellerman
2012-09-04 9:32 ` Christian Kujau
2012-09-05 1:08 ` Benjamin Herrenschmidt
2012-09-05 5:25 ` Christian Kujau
2012-09-05 5:29 ` Benjamin Herrenschmidt
2012-09-04 14:27 ` Steven Rostedt
2012-09-04 19:49 ` Benjamin Herrenschmidt [this message]
2012-09-04 19:40 ` Benjamin Herrenschmidt
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