From: Ralf Baechle <ralf@linux-mips.org>
To: Kaz Kylheku <kaz@zeugmasystems.com>
Cc: linux-mips@linux-mips.org
Subject: Re: futex_wake_op deadlock?
Date: Mon, 19 Nov 2007 18:48:37 +0000 [thread overview]
Message-ID: <20071119184837.GA12287@linux-mips.org> (raw)
In-Reply-To: <DDFD17CC94A9BD49A82147DDF7D545C54DCBD2@exchange.ZeugmaSystems.local>
On Fri, Nov 16, 2007 at 03:52:47PM -0800, Kaz Kylheku wrote:
> From time to time, on 2.6.17.7, I see a deadlock situation go off. The
> soft lockup tick occurs in the middle of do_futex, which is heavily
> inlined. The system is actually hosed; it's not one of those
> recoverable CPU busy situations that can sometimes trigger the lockup
> detector.
Can you reproduce thing hang also if you're not running in a binary compat
mode, that is either running o32 binaries on a 32-bit kernel or 64-bit
binaries on a 64-bit kernel?
Ralf
next prev parent reply other threads:[~2007-11-19 18:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-16 23:52 futex_wake_op deadlock? Kaz Kylheku
2007-11-16 23:52 ` Kaz Kylheku
2007-11-19 18:48 ` Ralf Baechle [this message]
2007-11-19 21:27 ` Kaz Kylheku
2007-11-19 21:27 ` Kaz Kylheku
2007-11-19 21:42 ` Kaz Kylheku
2007-11-19 21:42 ` Kaz Kylheku
2007-11-20 11:21 ` Ralf Baechle
2007-11-20 18:06 ` Kaz Kylheku
2007-11-20 18:06 ` Kaz Kylheku
2007-11-20 18:16 ` Ralf Baechle
2007-11-20 18:24 ` Kaz Kylheku
2007-11-20 18:24 ` Kaz Kylheku
2007-11-20 18:29 ` David Daney
2007-11-20 19:00 ` Ralf Baechle
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