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=?iso-8859-1?Q?Dario_Lopez-K=E4sten?= wrote I only have core dumps to work from. I include the stack from latest core dump. I am using python 2.1.2 (release), Zope2.4.3 release, RedHat Linux 7.2. Python is compiled --without-pymalloc

Hm. The bug report you sent is pretty much exactly what I'd expect when hitting the Python Compiler stacksize bug. I suspect the problem here is that Zope 2.4.3 provides it's own complete copy of the Compiler, so you're not seeing Jeremy's fixes. Possible solutions: - wait for Zope 2.4.4 - upgrade to the current CVS version of the Zope 2.4 branch, Zope-2_4-branch. This contains what will become (hopefully, shortly) 2.4.4. I'm assuming there's a 2.4.4 planned. - upgrade to the current 2.5 beta.

----- #0 0x0806fb77 in subtract_refs (containers=0x80b228c) at ./Modules/gcmodule.c:170 #1 0x0806ff74 in collect (young=0x80b228c, old=0x80b2298) at ./Modules/gcmodule.c:382 #2 0x080701c2 in collect_generations () at ./Modules/gcmodule.c:479

Anthony -- Anthony Baxter <anthony@interlink.com.au> It's never too late to have a happy childhood.