Here's the backtrace log. Matt
On Thu, May 10, 2012 at 10:00 PM, Matthew Musgrove <mr.musk...@gmail.com>wrote: > We have this threaded program that runs as a daemonized service and it's > been happy for quite a while using DBI 1.616 and DBD::Oracle 1.30. Last > week, I updated DBI to 1.620 and DBD::Oracle 1.44 and when I restarted the > service, it segfaulted as soon as it created a new thread. I was pretty > sure that it wasn't in DBD::Oracle because I had tested a prerelease of the > new code and didn't have any problems with it. I reverted it back to DBI > 1.616 and DBD::Oracle 1.30 and when I restarted the service, it was happy > again. Next I updated DBI to 1.620 and left DBD::Oracle alone. Again, it > segfaulted as soon as it created a new thread. It isn't my code so there > could be a bug or three lurking in there waiting to attack but as I said, > it's been working just fine. The only change was to DBI. I reverted DBI > back to 1.616 and decided to wait (you know, to see if anyone would report > anything). > > Today, I had a little free time and decided to try it again. It took some > coaxing but I finally got it create a core dump (after setting > DAEMON_COREFILE_LIMIT=" > unlimited"). I loaded the core dump in gdb and did a backtrace. It looks > like it segfaults in dbi_ima_dup. Unfortunately, this perl didn't have > debugging enabled. I compiled a new copy of perl (same version and I think > the same flags except with debugging), installed the same modules for it > and created another core dump. I logged 'backtrace', 'info registers' and > 'thread apply all backtrace' to separate files. This was my first time > using gdb so that was interesting. I don't really know what sort of > information you need so... yeah. > > I'm attaching output from perl -V (from both copies of perl) and 'info > registers'. I'll send a reply with the backtrace log next. > > What other information do I need to provide? Does anyone have any tips or > pointers on how I can debug this further? > > Matt >
backtrace.log
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