Guidance on how to debug/get a backtrace for Iceweasel

[Mike Hommey]

On Tue, Oct 04, 2011 at 11:09:25AM +0100, Arthur Butler wrote:
> Hi,
> 
> I've been getting a lot of crashes on Iceweasel on Debian Stable,
> Squeeze. I suspect it's a flash/java and gdk issue as I get loads of
> 'Gdk-WARNING **: XID collision, trouble ahead' warnings.
> 
> I've tried to find out what to do to get a backtrace, in order to
> submit a bug report, or narrow down the cause myself, but have not
> easily found up to date information.
> 
> When I run:
> iceweasel --debugger
> 
> I get:
> 
> GNU gdb (GDB) 7.0.1-debian
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i486-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/lib/iceweasel/firefox-bin...(no debugging
> symbols found)...done.
> (gdb) run
> Starting program: /usr/lib/iceweasel/firefox-bin
> [Thread debugging using libthread_db enabled]
> 
> {iceweasel window opens}
> 
> Program exited normally.
> (gdb)

This suggests you didn't get a crash. So there's nothing to backtrace
on.

Please note that we're *very* unlikely to fix these kind of issues on
stable, especially if they involve flash. Your best bet is to upgrade
iceweasel with a version from mozilla.debian.net.

Mike