Bug#798238: iceweasel: Crashes when loading certain pages

[Carsten Schoenert]

Hello Michael,

On Mon, Sep 07, 2015 at 05:47:04AM +0000, Michael Rose wrote:
> Package: iceweasel
> Version: 38.2.1esr-1~deb8u1
> Severity: important
> 
> Dear Maintainer,
> 
> Iceweasel crashes suddenly on random websites. If a website crashes Iceweasel,
> it will crash it everytime it gets visited. Repeatable 100%.

which websites provoke such crashes?

> Running it in the console, I get the following output, where it crashes on the
> last two lines:
> 
> $ iceweasel --safe-mode
> 
> (process:25206): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size
> == 0' failed
> console.error:
>   [CustomizableUI]
>   Custom widget with id loop-button does not return a valid node
> console.error:
>   [CustomizableUI]
>   Custom widget with id loop-button does not return a valid node
> ATTENTION: default value of option force_s3tc_enable overridden by environment.
> intel_do_flush_locked failed: Input/output error
> 
> I have tried moving ~/.mozilla/firefox and the same issue occurs.
> 
> I tried installing iceweasel-dbg and running it through gdb, but when I try to
> get a backtrace, I get no stack.

What excately do you have done?

You should do something like 

  (gdb) thread apply all bt

Please note also https://wiki.debian.org/HowToGetABacktrace

Without further information we can't readjust such situations. Please
provide some more informations.

Regards
Carsten