svn commit: r188727 - in stable/7: sys sys/contrib/pf sys/dev/ath/ath_hal sys/dev/cxgb sys/kern sys/modules/sem sys/sys tools/regression/posixsem usr.bin/procstat

John Baldwin jhb at
Wed Feb 18 07:11:04 PST 2009

On Wednesday 18 February 2009 9:16:35 am Bruce Simpson wrote:
> Bruce Simpson wrote:
> > ....
> > FYI:
> > This change *may* fix Python 2.6's 'multiprocessing' module on FreeBSD 
> > 7-STABLE, which is known to have problems there; it depends on POSIX 
> > semaphores to synchronize its IPC between different fork()'s of the 
> > Python interpreter.
> > If anyone else has an interest in ths they may wish to test, if not, I 
> > will try to get around to it eventually.
> I just tested this and Python 2.5 still dumps core in sem_open() when 
> called from semlock_new() in, this is with the most 
> recent back-port of multiprocessing to Python 2.5:

Do you have a core dump with symbols?  If so, can you get the trace?

John Baldwin

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