Automatic backtrace [Was: Re: NetAPP/Samba 3.0/plugs]

[Andrew Bartlett]

Scott Gifford wrote:
> 
> Andrew Bartlett <abartlet at pcug.org.au> writes:
> 
> > David Lee wrote:
> 
> [...]
> 
> > > 3. If "gdb" (or similar) is found and "--enable-debug" is set, then the
> > >    default panic action could be to invoke gdb (or other debugger) with
> > >    the relevant subcommands to perform and log the backtrace.
> > >
> > > Sure, that probably needs refinement.  But for the moment read it for the
> > > positive possibilities not the worrying nitpicks.
> > >
> > > Promising?  Or an unrealistic non-starter?
> >
> > Quite promising, and it would *really* help with our debugging.
> 
> Perhaps I'm missing something obvious, but why not just let Samba dump
> core?...It's straightforward to provide a backtrace from a core file.

Where?  Under what uid?  Following what symlinks?  

Dumping core just has 'bad idea' written all over it.  Plus the people
who know how to use gdb on a core file would already have a magic 'panic
action' already setup.

Andrew Bartlett

-- 
Andrew Bartlett                                 abartlet at pcug.org.au
Manager, Authentication Subsystems, Samba Team  abartlet at samba.org
Student Network Administrator, Hawker College   abartlet at hawkerc.net
http://samba.org     http://build.samba.org     http://hawkerc.net