Thanks for the hints. It's an OpenBSD3.4 system, shipped with gcc 2.95, that's why I have that old gdb. I recompiled python according to the intructions (Step 2) found here: http://zope.org/Members/ensane/HowTo.2003-09-24.2929
I also bumped up the stack limit from 4M to 8M for the zope user (I have no idea if this has any effect to the problem): $ ulimit -a ... stack(kbytes) 8192 Now I'm praying ;-) There have been no core dumps since the recompilation, but this issue somehow relates to the load, so I'm not sure if this helped. Sandor _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )