Mailinglist Archive: opensuse (1696 mails)

[auxsvr@xxxxxxxxx]

On Friday 24 of July 2009, Per Jessen wrote:
> Per Jessen wrote:
> > auxsvr@xxxxxxxxx wrote:
> > > Then set the directory by writing to this file. For example, echo
> > > /cores/core > /proc/sys/kernel/core_pattern make core files reside in
> > > /cores/. Also don't forget echo 1 > /proc/sys/kernel/core_uses_pid.
> >
> > Okay, that might be worth a try, but I'd really like to get hold of
> > the core from this morning - I've already waited a couple of weeks for
> > it.
>
> Well, it looks like mysqld just didn't write a core dump after all.
> After googling some more, I'm beginning to think it's about
> permissions, so I've now set up this:
>
> mkdir /tmp/corefiles
> chmod 777 /tmp/corefiles
> echo "/tmp/corefiles/core" > /proc/sys/kernel/core_pattern
>
> I've also got:
>
> /proc/sys/fs/suid_dumpable = 2
>
> # my.cnf
> [mysqld]
> core-file
>
> [mysqld_safe]
> core-file-size = unlimited

You'll also need to set ulimit accordingly, see man 5 core for a list of 
settings that usually prevent core dumps.

Regards
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