Re: [PATCH] hangcheck-timer

From: Joel Becker (Joel.Becker@oracle.com)
Date: Thu Jan 16 2003 - 19:38:45 EST

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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

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Joel Becker Senior Member of Technical Staff Oracle Corporation E-mail: joel.becker@oracle.com Phone: (650) 506-8127 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

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