svn commit: r205806 - stable/8/etc

[Doug Barton]

Probably my fault for not saying something sooner, but there is a
problem with the code in head that sometimes causes it to loop
repeatedly even though pwait exits successfully. I am trying to track it
down, but since it only happens about once every 10 shutdowns it's been
difficult.

Please don't mfc this to any of the other branches till we've had a
chance to discuss it further.


Thanks,

Doug