PLEASE TEST: IPI deadlock avoidance patch

Pawel Worach pawel.worach at
Mon Aug 23 14:00:54 PDT 2004

Doug White wrote:
> Hey folks,
> If you have a reasonably fast i386 or amd64 multiprocessor and/or
> hyperthreading machine and are experiencing reproducible hangs during -j
> buildwords and other highly parallel operations, please try this patch:

Worked like a charm, Four way Xeon box with a -j256 buildstone using 
SCHED_ULE. Thanks for tracking this down!


More information about the freebsd-current mailing list