Arla lockup

Love lha at stacken.kth.se
Fri Sep 24 00:51:21 CEST 1999


sperber at Informatik.Uni-Tuebingen.De (Michael Sperber [Mr. Preprocessor]) writes:

> I get lockups on heavy load.  The system won't accept keyboard input,
> and the network goes dead.  Here's the last thing it said:

Sounds like a deadlock.

> It's quite reproducible.  How do I start debugging this?

Start to run ``ps'' in ddb. Look for processes that are sleeping.  Try also
``trace'' in ddb if you happen to be in the context that dead-locked.

Make it dump core.

Run ps on the core-file (ps -M core-file)

Try to convince gdb to use the core-file and debug it, try to 
attatch to the process (proc) and see if you can get a backtrace
(dunno if you can do this on corefile)

This might help you a bit.

Love





More information about the Arla-drinkers mailing list