[Zope] Re: Zope stops responding on hpux

[Tres Seaver]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

zope-list at mcvfifesanddrums.org wrote:
> On Sun, 8 May 2005, Samuel Bieri wrote:
> 
>>
>> I managed to compile GNU debug 6.1.1 on the hp-ux box.
> 
> 
> I hope it wasn't too much trouble. You could have gotten it from here:
> http://www.hp.com/go/wdb
> 
>>
>> ---> here I klick on a tal-obect in zope. Zope freezes. Then I kill
> 
> zope.
> 
>>
>> Program received signal SIGQUIT, Quit.
>> 0x77d2ca58 in __lwp_sema_wait () from /usr/lib/librt.2
>>
>> (gdb) bt
>> # 0  0x77d2ca58 in __lwp_sema_wait () from /usr/lib/librt.2
>> # 1  0x77d2ba78 in sem_wait () from /usr/lib/librt.2
>> # 2  0x77d2ba10 in sem_wait () from /usr/lib/librt.2
>> # 3  0x77d2ba10 in sem_wait () from /usr/lib/librt.2
>> Previous frame identical to this frame (corrupt stack?)
>> (gdb)
>>
>> Can any experienced zope programmer help me further?
>> What does this mean?
> 
> 
> Looks like a deadlock on a semaphore to me, though I couldn't say where.
> 
> Did you python build pass all of the self tests?
> Did you build your python with the posix threads apis (i.e. not DCE
> threads)?

Good points.  In addition, you need to find a way to build Python 2.3.4,
at least (2.3.5 would be;  that release fixed a GC bug which was known
to cause segfaults in Zope.

It might be useful to read through the python-dev traffic related to
HP-UX, as well, e.g.:

  http://mail.python.org/pipermail/python-dev/2004-January/thread.html#41607


Tres.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.5 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFCf0lx+gerLs4ltQ4RAsGIAKClBraMxufi6IlEgwch+KIVkALUYwCfXKUX
8mUUP5hPHcIdusViyWYt9Rk=
=T7Yv
-----END PGP SIGNATURE-----