Re: Debugging "cpu freezes"

Marc-Christian Petersen (m.c.p@wolk-project.de)
Wed, 25 Dec 2002 02:37:03 +0100


On Tuesday 24 December 2002 19:56, Michael wrote:

Hi Michael,

> I'm wondering what the procedure for debugging instances where the computer
> freezes completly, when sysRQ doesn't even work. Since I know how to
> reproduce(and workaround for daily use) a complete system freeze in 2.4.X,
> don't know if I can explain how, but for example booting the knoppix
> live-cd to kde would be a perfect way of freezing it(after moving a few
> windows) (Not using KDE reduces the risk of it freezing greatly)
you could try boot parameter nmi_watchdog=1 or =2
(Read Documentation/nmi_watchdog.txt).

ciao, Marc
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