Linux-kernel mailing list archive 1999-36,: How can I debug a crash that locks up my machine but generates no OOPS

# How can I debug a crash that locks up my machine but generates no OOPS

Miles Lane (miles@amazon.com)
Mon, 06 Sep 1999 22:39:00 -0700

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Hi,

I am running 2.2.12 and am running PPP 2.3.7 over a PCMCIA modem
(PCMCIA 3.0.14). My machine has begun hanging recently. I'm
not sure what changes preceeded the start of the hangs.
The hangs seem to occur when I have an active PPP data transfer
combined with mouse movement or some keyboard activity.

Anyhow, I have no idea how to track down the problem since I
don't get an OOPS message or error message of any kind. Rather,
everything freezes (disk, keyboard, mouse). I have to cold boot.

Do I need to set up some special kernel debugging configuration?

O have ready the oops-tracing and other kernel documentation,
but this particular situation was not addressed.

Thanks,

Miles

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