Bug#640331: iceweasel 6.0 - huge ram use

[Mike Hommey]

On Thu, Sep 15, 2011 at 12:10:16AM +0200, niky 45 wrote:
> ok, some more tests.
> 
> i was thinking, which extension can use so much ram?? so i had started
> disabling te obvious ones: fasterfox (has some cache options that would use
> pretty much ram), autopager, lazarus...
> 
> the i thought: hey. what if i dis-enable ALL of them (again)??  the results
> of the previous test, showed me that an idle measure of ram used (i.e.
> having firefox opened for a couple minutes), are not always relevant. many
> times, opening a (blank) tab, almost duplicates the ram use.
> 
> so, i had disabled all of them, and opened some tabs: gmail (writing this),
> the addons manager, the about memory one (which i show in the attached
> screenshot), gogle reader, and a forum i usualy read (espaciolinux.com).
> 
> at launch time, conky read ~300 Mb, a very good measurement. after opening
> these tabs... voila!! now conky reads 1.31 Gb, and you can see (in the
> attachment) that the about:memory gives similar data.
> 
> in the second attachment, you can also see the addons: none enabled. (if
> anybody wants the modified preferences section, tell me and i'll find a way
> to upload it.)
> 
> so, now, I think addons have nothing to do with the huge ram use.
> 
> however, enabling safe mode, same tabs, showed a ram use of ~250 Mb. (sorry,
> no screenshots, i thougth my email had been erased, so i closed iceweasel
> without more testing, just to restart it in normal mode and see that my
> email was just there.)
> 
> so.... this shows that the problem is in the config?? should i reset the
> config to see what happens?? any way to save a backup to restore it back in
> case it's not a config problem??
> 
> PS: thank you both for helping. i never thought i would receive such replies
> (the last time i sent a bug report (to debian lists), i think it got lost in
> the mailing list, since i don't remeber receiving any reply)

You can start with "iceweasel -P" and create a new profile.

Mike