On 2011-07-19 22:04, Kelsey Cummings wrote:
> This isn't exactly an scientific linux issue but I hope that folks here
> may be more likely to be using IPMI then some of the other lists.
>
> We have a series of Supermicro systems w/IPMI running RHEL 5.5. We're
> using IPMI primarily to monitor psu status and for the hardware watchdog
> support teamed with the watchdog service. 3 or 4 out of 8 identical
> systems have exhibited hardware watchdog triggered resets for no
> apparent reason.
>
> Best we can tell, despite the OS and hardware being perfectly healthy
> (no other errors, and the systems work fine after the watchdog is
> disabled,) the hardware watchdog is triggering a reset on its own, and
> worse, the boxes do not appear to come back from it.
>
> Anyone else seen similar issue or have any input?

I have seen it.  Under OpenBSD, in fact.  I ended up shutting off the 
hardware watchdog after failing to find a fix.

-- 
Garrett Holmstrom