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Date: Thu, 16 Jan 2003 16:38:45 -0800
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
Message-ID: <20030117003845.GX20972@ca-server1.us.oracle.com>
References: <20030116231727.GV20972@ca-server1.us.oracle.com> <Pine.LNX.4.44.0301161841570.24250-100000@montezuma.mastecende.com>
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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
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