[systemd-devel] job_type_lookup_merge assertion failure in systemd

[Lennart Poettering]

On Wed, 12.11.14 13:55, Steven Noonan (steven at uplinklabs.net) wrote:

> On Wed, Nov 12, 2014 at 11:22 AM, "Jóhann B. Guðmundsson"
> <johannbg at gmail.com> wrote:
> >
> > On 11/12/2014 07:00 PM, Steven Noonan wrote:
> >>
> >> >What's the best way to approach debugging this issue? Should I do a
> >> >debug build to get a better core dump and wait for this to happen
> >> >again?
> >> >
> >
> >
> > Looks like a regression or dupe of [1]  not sure why this bug has not been
> > reopen since there is a recent comment there.
> >
> > Add your info and coredump there
> 
> Thanks, I've done so.
> 
> I'd like to understand in general how one debugs issues like this with
> systemd. Given that it's /sbin/init, it's not easy to just attach a
> debugger to it and poke around. Do people operate primarily on core
> dumps of -O0 -g builds or something?

You can easily attach a debugger to PID 1. Just invoke "gdb" and then
type "attach 1" and there you go.

But yeah, I work almost exclusively with -O0 -g builds when developing systemd.

Lennart

-- 
Lennart Poettering, Red Hat