after testing as suggested, it is indeed a massive slowdown rather than
a full-blown machine hang.
Would the next test be to run with debug flags for openmpi ?
Jeff Squyres wrote:
> On Jul 7, 2010, at 12:50 PM, Olivier Marsden wrote:
>> Hi Jeff, thanks for the response.
>> As soon as I can afford to reboot my workstation,
>> like tomorrow, I will test as you suggest whether the computer
>> actually hangs or just slows down. For exhaustive kernel logging,
>> I replaced the following line
>> kern.* -/var/log/kern.log
>> kern.* /var/log/kern.log
>> in my /etc/rsyslog.d/50-default.conf file, does that look about right?
> I'd add another:
> *.* -/var/log/everything.log
> ...because who knows what the actual problem is?
> And/or, if you have another machine that can listen for syslog, remote syslog to that machine so that you might be able to see the results more or less immediately.