Running Firefox in a Debugger

[Micah Gersten]

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Actually, if you need to start apport for just one crash, the easy way
to do it is:
sudo service apport start force_start=1

Micah

On 04/28/2010 05:27 PM, Draycen DeCator wrote:
> To use Firefox and gdb, run 'firefox -g' in a terminal.
> 
> You may want to try this with a new profile as well, just in case. You
> can do so by running 'firefox -P' and creating a new profile (no need to
> delete your default one). If the crash still happens, then please file
> the report. If it stops, then the crash is likely due to a setting or
> extension.
> 
> If Firefox is crashing, then apport may be able to catch it and generate
> a report. Apport has been turned off by default now, but you can
> activate it if you edit /etc/default/apport so that enabled=1. Then,
> restart your computer and reproduce the crash. If apport doesn't
> automatically tell you it generated a crash report, then go to
> /var/crash and look for a .crash report for Firefox. Double clicking
> that report will start apport which will get all of the info needed to
> report the bug.
> 
> If you can't get a crash report, then the backtrace is a good start.
> Just use 'ubuntu-bug firefox' and attach the backtrace when you're
> filing the report.
> 
> Hope this helps!
> Dray [ddecator]
> 
> On Wed, Apr 28, 2010 at 5:14 PM, Søren Bredlund Caspersen
> <soeren.b.c at gmail.com <mailto:soeren.b.c at gmail.com>> wrote:
> 
>     Hi everyone
> 
>     I have just upgraded from Ubuntu 9.10 to 10.04 and now my Firefox
>     crashes each time I try to visit my webbank, which is java based.
> 
>     So I want to report a bug, and try to follow the instructions found
>     here:
>     https://wiki.ubuntu.com/MozillaTeam/Bugs#Run%20Firefox%20in%20a%20Debugger
> 
>     However, gdb complaints that firefox is not in a executable format.
> 
>     $ gdb /usr/lib/firefox-3.6.3/firefox 2>&1 | tee /tmp/gdb-firefox.txt
>     GNU gdb (GDB) 7.1-ubuntu
>     Copyright (C) 2010 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/>...
>     "/usr/lib/firefox-3.6.3/firefox": not in executable format: File
>     format not recognized
>     (gdb)
> 
>     So I have two questions:
>     What's wrong - am I missing something obvious, is there an error on
>     the wiki-page or is something wrong with firefox or gdb?
> 
>     How do I fix it, so I can get on with reporting my original bug?
> 
>     Cheers
>     Søren
> 
>     --
>     Ubuntu-bugsquad mailing list
>     Ubuntu-bugsquad at lists.ubuntu.com
>     <mailto:Ubuntu-bugsquad at lists.ubuntu.com>
>     https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugsquad
> 
> 
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