From: William Lee Irwin III <wli@holomorphy.com>
To: Christian Borntraeger <linux-kernel@borntraeger.net>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>, lmb@suse.de
Subject: Re: [PATCH] was: [RFC] removal of sync in panic
Date: Wed, 14 Jul 2004 22:22:50 -0700 [thread overview]
Message-ID: <20040715052250.GN3411@holomorphy.com> (raw)
In-Reply-To: <200407150658.54925.linux-kernel@borntraeger.net>
On Thu, Jul 15, 2004 at 06:58:54AM +0200, Christian Borntraeger wrote:
> I have seen panic failing two times lately on an SMP system. The box
> panic'ed but was running happily on the other cpus. The culprit of this
> failure is the fact, that these panics have been caused by a block device
> or a filesystem (e.g. using errors=panic). In these cases the likelihood
> of a failure/hang of sys_sync() is high. This is exactly what happened in
> both cases I have seen. Meanwhile the other cpus are happily continuing
> destroying data as the kernel has a severe problem but its not aware of
> that as smp_send_stop happens after sys_sync.
I've seen SMP boxen run interrupt handlers for ages after panicking,
but I never thought much of it.
-- wli
next prev parent reply other threads:[~2004-07-15 5:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-14 15:45 [RFC] removal of sync in panic Christian Borntraeger
2004-07-14 16:23 ` Lars Marowsky-Bree
2004-07-14 17:39 ` [PATCH] was: " Christian Borntraeger
2004-07-14 21:31 ` Andrew Morton
2004-07-15 4:58 ` Christian Borntraeger
2004-07-15 5:22 ` William Lee Irwin III [this message]
2004-07-17 19:01 ` Tim Wright
2004-07-18 7:34 ` Christian Borntraeger
-- strict thread matches above, loose matches on Subject: below --
2004-07-15 8:00 linux-kernel
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