On Thu, Sep 19, 2002 at 12:17:15PM +0100, Oliver Elphick wrote: > On Thu, 2002-09-19 at 11:18, Louis-David Mitterrand wrote: > > > > I am trying to debug a problem involving DBD::PgSPI that crashes the > > backend. It used to work fine util we installed perl-5.8. How can I get > > a core file of a crashed backend on a debian-linux (unstable) machine? > > > > My /etc/security/limits.conf is empty. When I login as root "ulimit -c" > > shows a limit of 0. If I set the limit to "unlimited" and logout/login > > the limit is back to 0. > > I think /etc/security/limits.conf is used to limit what you can set with > ulimit rather than dictate the settings.
Aha, that makes sense. > You probably need to put "ulimit -c unlimited" in > ~postgres/.bash_profile. Hmm, I hadn't thought of that > > Is it sufficient to set the proper limit and then restart postgres in > > the same shell to obtain core files in case the backend crashes? > > Yes. > > The core file produced by postmaster from the binary package will not be > very useful to you, because the binary is stripped. You need to build > the package from source and use the binary from the source tree > (.../src/backend/postmaster/postmaster), not the one copied into the > package tree (.../debian/usr/lib/postgresql/bin/postmaster) since the > stripping is done on the package tree after the binaries are installed > there. I also suspected that a stripped binary would not help much. Your indications will save me much time. > To build the package: > > cd /usr/local/src > apt-get source postgresql # installs in postgresql-7.2.2 > apt-get build-dep postgresql # build dependencies > apt-get install devscripts fakeroot # needed for building anything > cd postgresql-7.2.2 > debuild Hey, debuild is nice, didn't know about it until now. Cleaner "dpkg-buidpackage -us -uc" or "fakeroot debian/rules binary" ;) Thanks a lot for your help, -- [EMAIL PROTECTED] ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org
