From: Thomas Gleixner <tglx@linutronix.de>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de,
Nick Piggin <npiggin@kernel.dk>, Soren Sandmann <ssp@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arjan van de Ven <arjan@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: BUG: spinlock recursion (sys_chdir, user_path_at, do_path_lookup ...)
Date: Wed, 12 Jan 2011 11:57:50 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.00.1101121153370.12146@localhost6.localdomain6> (raw)
In-Reply-To: <20110112075229.GZ24920@pengutronix.de>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 790 bytes --]
On Wed, 12 Jan 2011, Uwe Kleine-König wrote:
> > [ 75.280000] r5:be961ee4 r4:00063015
> >
> > I started to bisect, but already the first test case showed a different
> > error (my getty dying every few seconds).
> I bisected this one now, the first bad commit is
>
> 9c0729d (x86: Eliminate bp argument from the stack tracing routines)
>
> . It made a x86 specific change to include/linux/stacktrace.h.
As I said on IRC already, that's complete nonsense. The commit changes
a function prototype which is only relevant for x86. So how should
that affect ARM ?
> According to tglx the lockup above "is related to nicks scalability
> stuff". I havn't researched yet the offending commit. Is that
> necessary?
Only if you are interested that the problem gets fixed.
Thanks,
tglx
next prev parent reply other threads:[~2011-01-12 10:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-11 11:05 BUG: spinlock recursion (sys_chdir, user_path_at, do_path_lookup ...) Uwe Kleine-König
2011-01-12 7:52 ` Uwe Kleine-König
2011-01-12 10:57 ` Thomas Gleixner [this message]
2011-01-12 12:03 ` Uwe Kleine-König
2011-01-12 12:35 ` Russell King - ARM Linux
2011-01-12 12:48 ` Russell King - ARM Linux
2011-01-12 12:56 ` Thomas Gleixner
2011-01-18 16:59 ` Maciej Rutecki
2011-01-18 22:19 ` Nick Piggin
2011-01-19 7:43 ` Uwe Kleine-König
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