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Re: [Freeipmi-devel] watchdog problems on Sun X4100M2

From: Al Chu
Subject: Re: [Freeipmi-devel] watchdog problems on Sun X4100M2
Date: Wed, 02 Jun 2010 09:55:00 -0700

On Tue, 2010-06-01 at 13:12 -0700, Frank Steiner wrote:
> Al Chu wrote
> > Hi Frank,
> > 
> > This sounded familiar.  There is this thread for not too long ago.
> > 
> > http://*
> Doh, I searched for the wrong keywords in the archive :-)

It happens to all of us :-)

> Yes, that's the same bug and if I get Dave's mail right he is seeing
> the bug on the X4500 and X4200. If it's a X4200M2, it has the same
> firmware as the X4100M2, and for this one the bug is not fixed in
> the recent update.
> > Same applies.  I can give a patch a shot, and you can try it out??  It
> Of course I could, but I agree with you that it wouldn't be a good thing.

Ok, when I get a chance, I'll try to come up with something.

> I can work without the daemon of course and use cron and a endless 
> while-loop to reset the timer, and I guess that's better than patching
> around such an obvious bug. 
> I succeeded in triggering the bug without the bmc-watchdog by just 
> accessing the watchdog remotely via "ipmi <machine> ...  mc watchdog 
> get/reset". 
> Thus, Sun has no chance argueing it is some Linux problem with freeipmi etc.
> And since we still have support for the X4100M2 I will demand a firmware 
> upgrade. Let's see what they do.
> I just wanted to make sure there was an obvious workaround that I missed :-)
> Thanks! And I will let you know what comes out of the Sun support request!

Thanks.  PLMK what comes about the request, so I can update my


> cu,
> Frank
Albert Chu
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory

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