From: Joel Becker <Joel.Becker@oracle.com>
To: Zwane Mwaikambo <zwane@holomorphy.com>
Cc: Joel Becker <Joel.Becker@oracle.com>,
lkml <linux-kernel@vger.kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Marcelo Tosatti <marcelo@conectiva.com.br>,
Wim Coekaerts <Wim.Coekaerts@oracle.com>
Subject: Re: [PATCH] hangcheck-timer
Date: Thu, 16 Jan 2003 16:38:45 -0800 [thread overview]
Message-ID: <20030117003845.GX20972@ca-server1.us.oracle.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0301161841570.24250-100000@montezuma.mastecende.com>
On Thu, Jan 16, 2003 at 06:43:47PM -0500, Zwane Mwaikambo wrote:
> NMI watchdog? Doesn't look like this can catch cases where you have
> interrupts disabled and spinning on a lock, if you manage to run this code
> then the box isn't really locked up. In which case the software watchdog
> should be as good as this.
Please read again. This isn't about catching a complete lockup.
This is about catching a pause and resume that jiffies does not notice.
Joel
--
Life's Little Instruction Book #15
"Own a great stereo system."
Joel Becker
Senior Member of Technical Staff
Oracle Corporation
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127
prev parent reply other threads:[~2003-01-17 0:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-16 23:17 [PATCH] hangcheck-timer Joel Becker
2003-01-16 23:43 ` Zwane Mwaikambo
2003-01-17 0:38 ` Joel Becker [this message]
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