On Thu, Aug 29, 2013 at 2:41 AM, Amyas <[email protected]> wrote: > Nick Jennings <nick@...> writes: > > > > > Nor can I set the core dump pattern:# echo "/tmp/core-%e-%s-%u-%g-%p-%t" > > > /proc/sys/kernel/core_pattern > > > > bash: echo: write error: Operation not permitted > > > > (running as root) > > What distro/kernel? > Did you check that you can see the value: > cat /proc/sys/kernel/core_pattern > > I'm running CentOS 6 with a 2.6.18 kernel, aside from a few additional packages via the EPEL, there are no significant modifications. # uname -a Linux 2.6.18-308.8.2.el5.028stab101.1 #1 SMP Sun Jun 24 20:25:35 MSD 2012 x86_64 x86_64 x86_64 GNU/Linux
And yes, both /proc/sys/kernel/core_pattern and /proc/sys/fs/suid_dumpable exist. abrt and systemd can "hijack" core saving systemd saves it in a "journal" > and abrt in /var/cache/core or /var/spool/core > > There are other gotchas for cores depending on your env. >
