DCCM looping

Gary Mills mills@cc.umanitoba.ca
Wed Jan 31 15:25:36 UTC 2007

On Wed, Jan 31, 2007 at 02:28:57PM +0000, Rob McMahon wrote:
> OK, I've started seeing dccm looping now.  Solaris 9 (x86), compiled 
> with the Studio compiler.  I suspect these are the looping threads:

Same thing here with Solaris 9 SPARC.

> -----------------  lwp# 2067 / thread# 2067  --------------------
> 08064cae dcc_ck_body (80f0310, 83dea08, 4214) + 146
> (The rest are in poll, cond_wait, sigwait, or nanosleep.)
> Is there a known issue here, or am I going to have to start digging 
> around for the problematic messages ?  I can see that's going to be tricky.

My current solution is to kill and restart dccm only, whenever the load
gets too high.  This seems to fix it for hours or sometimes days,
before the looping starts again.

-Gary Mills-    -Unix Support-    -U of M Academic Computing and Networking-

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