X server memory leak ? (Re: Announcing Fedora 7 Test 2 (6.91))

[Mike A. Harris]

Tomasz Kłoczko wrote:
> Dnia 04-03-2007, nie o godzinie 18:58 -0600, Callum Lerwick napisał(a):
> [..]
>> Also irritating is millions of javascripts and flash adverts and
>> animated gifs eating up assloads of CPU in tabs that aren't even
>> visible. 
> 
> But are you talking about refreshing pages ?
> In my case problematic refreshing pages contains png but seems it
> doesn't matter it is png or gif of jpeg files and I can reproduce this
> also on by hand reloaded page. I can reproduce this also on opened png
> file in firefox/galeon by refreshing this using ctrl-r.
> I'm save single png file from zabbix map page (~40KB 1000x1000 png
> file), generate copy of this file in jpeg and gif and open this files in
> separated tabs (png, jpeg and gif).
> Each time ctrl-r press on each tab causes in my case eats next chunk of
> memory by X server.
> 
> Before refresh:
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                 
>  3253 root      16   0 1480m 845m 8148 S   12 42.0 787:18.00 Xorg             
> 
> After five time ctrl-r:
>  3253 root      15   0 1480m 864m 8148 R    8 42.9 787:30.59
> Xorg                                                                    
> 
> RES groves ~19MB. This png file have 1000x1000 pixels and X display
> depth is 24bpp. 1000x1000x3 = ~3MB .. so looks like buffer for keep this
> previous version of this files was not released.
> 
> Can you check this on your system using above scenario ?
> Try to open gif/png file which will take big amount of memory in
> uncompressed form (1MB or more).

And when you close the web browser what happens?  Chances are that the
web browser is leaking pixmaps.  That's something not uncommon.