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Re: firefox leakage

On Tue, 31 Jan 2006 07:06:12 -0600, Randy Bush <randy@xxxxxxx> wrote:


i386, freebsd 7-current, ibm thinkpad t41

i have tracked a major memory leak (2g in a day, resulting in crash)
to the current build firefox.  result of top -S -osize

  PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
2166 randy 4 20 0 166M 108M kserel 3:51 0.00% firefox-bin 
 1343 randy         1  96    0   126M 83500K select   2:44  2.00% Xorg
1394 randy 4 20 0 102M 51456K kserel 0:08 0.00% nautilus 

and five hours later

  PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
 1343 randy         1 102    0   334M   277M select  10:06 15.28% Xorg
12780 randy 4 20 0 149M 85364K kserel 0:27 0.00% firefox-bin 1394 randy 4 20 0 102M 51420K kserel 0:11 0.00% nautilus 

notice the growth in xorg and only xorg

so i ran xrestop and it's all firefox
res-base Wins GCs Fnts Pxms Misc Pxm mem Other Total PID Identifier 5400000 532 44 1 12216 155 385312K 18K 385330K ? International 3a00000 0 0 0 1 0 2887K 0B 2887K ? <unknown>ox 

International is an open firefox tab.  if i close that one, the excess
is just charged to a different tab.

and it just keeps growing and growing and growing and ...
I am not sure if it will be easy to debug to see how it leaks. There are several ways that can cause Firefox to leak a lot of memory such as plugins, extensions, javascript or whatever. Even in Linux and Windows, there are several users that usually complain about how much Firefox uses memory and leak often. Maybe you can get more info if you rebuild Firefox with WITH_DEBUG=yes, unless you already have and not help. Try to disable plugins and other stuff to narrow it down. 

Cheers,
Mezz


randy



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