Hello, tastytea. On Fri, Dec 17, 2021 at 00:18:12 +0100, tastytea wrote: > On 2021-12-16 15:55+0000 Alan Mackenzie <[email protected]> wrote:
> > Hello, Gentoo. > > I'm developing software, and it crashes in its build process. I want > > a core dump, to help find out where and why it's crashing. > > I've got CONFIG_ELF_CORE and CONFIG_COREDUMP both configured to yes in > > my kernel. > > When I do > > $ uclimit -H -c > > , it tells me "unlimited". > > But still, no dump. :-( > > What am I missing? > You need to enable them explicitly. If you're using PAM: > echo '* soft core unlimited' > /etc/security/limits.conf > It only has an effect after your next login. For more information, see > <https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces#Core_dumps>. Thanks greatly! This was a very helpful answer. I've now edited that file, and will be ready next time there's a problem like this. As half expected when you ask a question like this, I found the problem in my build software anyhow. I was doing one too many pointer dereferences on a (in C) **bool. > Kind regards, tastytea > -- > Get my PGP key with `gpg --locate-keys [email protected]` or at > <https://tastytea.de/tastytea.asc>. -- Alan Mackenzie (Nuremberg, Germany).
