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[Freeipmi-devel] FreeIPMI beta w/ BMC watchdog workaround for Sun machin

From: Al Chu
Subject: [Freeipmi-devel] FreeIPMI beta w/ BMC watchdog workaround for Sun machines
Date: Tue, 15 Jun 2010 14:38:44 -0700

Hi Frank, Dave,

I finally got around to trying to develop that workaround into BMC
watchdog to get around the issue on the Sun motherboards you have.  Do
you think you guys could try it out and make sure it works for you?

You have to add the '-W ignorestateflag' option to turn on the
workaround.  You'll have to edit /etc/sysconfig/bmc-watchdog to add the
workaround for Linux.  Not sure how you would do this on Solaris.

The flag does (as I've added to the manpage)

"ignorestateflag"  -  This  workaround  option will ignore the BMC timer
state flag (indicating if the timer is running or stopped) when running
in  daemon  mode.   On some  BMCs,  the  flag is broken and will never
report that a BMC timer is running, even if it is.  The workaround will
take notice of changes in the countdown seconds to  determine  if a
timer is running or stopped.  With this type of implementation, the
reset-period must be large enough to ensure minor fluctuations in the
countdown will  not  affect  the workaround.  This option is confirmed
to work around compliances issues on Sun x4100M2 and Sun x4200M2.

(Naturally, I added "confirmed to work around" based on the assumption
you guys can confirm it for me :-)


Albert Chu
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory

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