A: Because it destroys the flow of the conversation Q: Why is it bad? A: No, it's bad. Q: Should I top post in replies to mailing lists?
On Fri, Apr 02, 2010 at 12:26:59PM +0800, Tim Hoffman wrote: > Hi Martin > > Given that its failing on a call to libc I would do a quick run with > strace and ltrace. That was my segfault, not Martin's. I suspect hardware, as it's very non-deterministic (a small pure-Python script that runs every 5 minutes segfaults once in a few months). > (In your case ltrace will be probably be more useful.) You will be > able to see the calls into the libraries and you should see > immediately > if your segfault is inside expat or not. (ltrace output will be very long ;-) > > On Fri, Apr 2, 2010 at 11:29 AM, Martin Aspeli <optilude+li...@gmail.com> > wrote: > > Marius Gedminas wrote: > >> On Thu, Apr 01, 2010 at 06:07:26PM +0800, Martin Aspeli wrote: > >>> I'm not sure if this is a Python issue or a zope issue. We're getting a > >>> segfault on 64-bit SuSE Linux (SLES 11), originating from > >>> z3c.autoinclude, which in turn called zope.configuration's<include /> > >>> implementation. This calls expat, which then crashes (no error, log > >>> message, or core file, but it has all the markings of a segfault) during > >>> parsing of the file. > >> > >> On recent Ubuntu versions segfaults get recorded in dmesg and end up in > >> /var/log/kern.log like this: > >> > >> Mar 22 02:10:03 fridge kernel: [7804719.781375] python: segfault at > >> 7fff84a7c000 ip 00007fff83aae7cb sp 00007fff84a7bd98 error 7 in > >> libc-2.9.so[7fff83a2b000+168000] > >> > >> I assume that's a standard kernel feature now (we've 2.6.28, x86_64). Marius Gedminas -- http://pov.lt/ -- Zope 3 consulting and development
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