SMP hard lock in 2.1.97 Intel/SMP + NMI-oopser.2.1.96-C

David Woodhouse (Dave@imladris.demon.co.uk)
Wed, 22 Apr 1998 05:34:29 +0200

The system was mostly idle at the time. It'd just finished making an ISO9660
CD image, and I was starting xcdroast.

The NMI watchdog didn't appear to notice anything wrong. Alt-SysRq-P showed
nothing interesting - the CPU that responded was always in user-space.
Is there a way to force the NMI watchdog to kick in?

As usual, the symptoms were a lack of response to disk requests, followed by
fvwm failing to follow window focus, followed by the mouse freezing.

---- ---- ----
David Woodhouse, Robinson College, CB3 9AN, England. (+44) 0976 658355
Dave@imladris.demon.co.uk http://www.imladris.demon.co.uk
finger pgp@dwmw2.robinson.cam.ac.uk for PGP key.

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