Re: [gentoo-user] Crash dumps

[Paul Hartman]

On Wed, Jun 5, 2013 at 1:09 PM, Michael Mol <mikemol@×××××.com> wrote:
> With some recent software updates (well, a month's worth...didn't
> realize I wasn't syncing on my laptop), X now frequently dies on me.
>
> As it happens, I've already rebuilt all the software on the system...I
> do an emerge -e @world every time there's a gcc update. To my knowledge,
> there's no old cruft, no old binaries, nothing for depclean to remove or
> revdep-rebuild to fix, etc. etc.
>
> The next step is to actually inspect the crashes and see what's
> happening...but for this to be even remotely convenient, I'd like my
> system to start accumulating crash dumps for my inspection. Fortunately,
> I have -ggdb in CFLAGS for just such occasions, so I'm not wanting for
> symbols...
>
> Trouble is...I don't remember how to do this. How do I enable crash
> dumps, and how do I control where the dump files are dropped?

You may have already seen it, but this article may lend some clues:

http://www.gentoo.org/proj/en/qa/backtraces.xml