Date: Wed, 18 Feb 2009 10:54:35 -0500 From: John Baldwin <jhb@freebsd.org> To: Bruce Simpson <bms@incunabulum.net> Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-7@freebsd.org Subject: Re: 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 Message-ID: <200902181054.35709.jhb@freebsd.org> In-Reply-To: <499C269D.7030406@incunabulum.net> References: <200902171957.n1HJvqk8026145@svn.freebsd.org> <200902181005.28625.jhb@freebsd.org> <499C269D.7030406@incunabulum.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wednesday 18 February 2009 10:17:49 am Bruce Simpson wrote: > John Baldwin wrote: > > ... > > > >> I just tested this and Python 2.5 still dumps core in sem_open() when > >> called from semlock_new() in _multiprocessing.so, this is with the most > >> recent back-port of multiprocessing to Python 2.5: > >> http://pypi.python.org/pypi/multiprocessing > >> > > > > Do you have a core dump with symbols? If so, can you get the trace? > > > > Here you are... have runtime ELF symbols but no line numbers. > > I had to comment out some stuff in its "setup.py" to persuade the > _multiprocessing C shim to use sem_open() (remove freebsd7 and/or > freebsd8 from that file before "python setup.py config" and "python > setup.py build"). > > I was running the Doc/includes/mp_benchmarks.py file which ships with > multiprocessing. > > multiprocessing is part of Python 2.6 base now, so likely what is Not OK > in the backport, would need to be forward-ported when it is happy with > sem_open() in Python 2.5. Hmm, by symbols I meant having things built with debug symbols (i.e. "-g"). Also, do you have 'sem.ko' loaded? The only reason I can think of why you would get a core dump in ksem_open() itself would be if you got a SIGSYS because the module wasn't loaded. -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200902181054.35709.jhb>