** Description changed: This problem is only seen in 2.2.14-5ubuntu8.7. There was no crash under 2.2.14-5ubuntu8.6 After connecting to an Oracle database (through Catalyst and DBIx::Class) in a Perl script using PerlRequire or PerlPostConfigRequire, apache2 will silently die. No error messages show up in the error.log. If Apache2::ServerUtil::restart_count() is used to only run the database connection in restart 2 or greater, apache2 will run as normal. However, if apache2 is restarted using apache2ctl restart, an error - message like this is displayed: + message like this is generated: [Fri Dec 02 00:35:09 2011] [notice] seg fault or similar nasty error detected in the parent process This problem was seen using DBD::Oracle 1.28 and Oracle Instant Client 11.2.0.1.0. + I was not able to produce a core dump, but I am not 100% sure that I + know how to do this in apache2. I tried setting enabled=1 in + /etc/default/apport, starting apport, running 'sudo -s ulimit -c + unlimited', and adding a CoreDumpDirectory directive to apache2.conf. + I tried the same configuration on Ubuntu 11.11 and apache2 2.2.20-1ubuntu1.1, but did not see the crash. I am not an expert on the internals of apache2, but it looks like this has something to do with loading Oracle into memory and the way the database handle is shared between a parent and a child after a fork. - DBIx::Class claim to do "the right thing" with database connections when - forking, but somehow that is not enough with this new build of apache2. + DBIx::Class claims to do "the right thing" with database connections + when forking, but somehow that is not enough with this new build of + apache2. The most urgent problem I am having is that it is difficult to revert to version 2.2.14-5ubuntu8.6 (it is no longer available through apt-get install apache2=2.2.14-5ubuntu8.6). I am reluctant to revert back to 2.2.14-5ubuntu8, but I may do that if there is not an easy way to revert back to a previous security update. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: apache2-mpm-prefork 2.2.14-5ubuntu8.7 ProcVersionSignature: Ubuntu 2.6.32-35.78-server 2.6.32.46+drm33.20 Uname: Linux 2.6.32-35-server x86_64 Architecture: amd64 Date: Fri Dec 2 01:21:58 2011 InstallationMedia: Ubuntu-Server 10.04.2 LTS "Lucid Lynx" - Release amd64 (20110211.1) ProcEnviron: LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: apache2
** Description changed: This problem is only seen in 2.2.14-5ubuntu8.7. There was no crash under 2.2.14-5ubuntu8.6 After connecting to an Oracle database (through Catalyst and - DBIx::Class) in a Perl script using PerlRequire or + DBIx::Class) in a Perl script run through PerlRequire or PerlPostConfigRequire, apache2 will silently die. No error messages show up in the error.log. If Apache2::ServerUtil::restart_count() is used to only run the database connection in restart 2 or greater, apache2 will run as normal. However, if apache2 is restarted using apache2ctl restart, an error message like this is generated: [Fri Dec 02 00:35:09 2011] [notice] seg fault or similar nasty error detected in the parent process This problem was seen using DBD::Oracle 1.28 and Oracle Instant Client 11.2.0.1.0. I was not able to produce a core dump, but I am not 100% sure that I know how to do this in apache2. I tried setting enabled=1 in /etc/default/apport, starting apport, running 'sudo -s ulimit -c unlimited', and adding a CoreDumpDirectory directive to apache2.conf. I tried the same configuration on Ubuntu 11.11 and apache2 2.2.20-1ubuntu1.1, but did not see the crash. I am not an expert on the internals of apache2, but it looks like this has something to do with loading Oracle into memory and the way the database handle is shared between a parent and a child after a fork. DBIx::Class claims to do "the right thing" with database connections when forking, but somehow that is not enough with this new build of apache2. The most urgent problem I am having is that it is difficult to revert to version 2.2.14-5ubuntu8.6 (it is no longer available through apt-get install apache2=2.2.14-5ubuntu8.6). I am reluctant to revert back to 2.2.14-5ubuntu8, but I may do that if there is not an easy way to revert back to a previous security update. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: apache2-mpm-prefork 2.2.14-5ubuntu8.7 ProcVersionSignature: Ubuntu 2.6.32-35.78-server 2.6.32.46+drm33.20 Uname: Linux 2.6.32-35-server x86_64 Architecture: amd64 Date: Fri Dec 2 01:21:58 2011 InstallationMedia: Ubuntu-Server 10.04.2 LTS "Lucid Lynx" - Release amd64 (20110211.1) ProcEnviron: LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: apache2 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to apache2 in Ubuntu. https://bugs.launchpad.net/bugs/898927 Title: apache2-mpm-prefork+mod_perl crashes on start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/898927/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
