Firefox+gtk2.6= memory leak

i have just upgraded gtk 2.6, and when firefox cannot connect to some site,all my RAM and all my swap are full and i must kill X :evil: :evil: :evil:

Thanks very much.
Here is the result, I started then tried to go to www.radioshack.ca/, clicked on a language and crash:
*** Registering nsBrowserCompsModule components (all right -- a generic module!)
nsNativeComponentLoader: autoregistering succeeded
[New Thread -1259160656 (LWP 28639)]
nNCL: registering deferred (0)
nNCL: registering deferred (0)
nNCL: registering deferred (0)
GFX: dpi=92 t2p=0,0625 p2t=16 depth=24
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
++WEBSHELL == 1
WARNING: NS_ENSURE_TRUE(NS_SUCCEEDED(rv)) failed, file nsPermissionManager.cpp, line 623
[New Thread -1268126800 (LWP 28640)]
[New Thread -1276523600 (LWP 28641)]
++DOMWINDOW == 1
++WEBSHELL == 2
++DOMWINDOW == 2
/opt/mozilla-firefox/lib/firefox-1.0/chrome/en-US.jar mtime changed, invalidating FastLoad file
Note: styleverifytree is disabled
Note: frameverifytree is disabled
WARNING: the property eo already exists
, file nsPersistentProperties.cpp, line 282
Note: verifyreflow is disabled
[New Thread -1285370960 (LWP 28642)]
WARNING: GetDefaultCharsetForLocale: need to add multi locale support, file nsUNIXCharset.cpp, line 189
WARNING: GetDefaultCharsetForLocale: need to add multi locale support, file nsUNIXCharset.cpp, line 189
++WEBSHELL == 3
++DOMWINDOW == 3
(no debugging symbols found)
[New Thread -1293984848 (LWP 28643)]
[New Thread -1302377552 (LWP 28644)]
(no debugging symbols found)
++WEBSHELL == 4
++DOMWINDOW == 4
frame: DocElementBox(dialog)(-1) (0x8726858) style: 0x87267d8 {}
Has parent context: style: 0x8726578 :-moz-canvas {}
Should be null
[Thread -1293984848 (LWP 28643) exited]
WARNING: nsTimeoutImpl::Release() proceeding without context., file nsGlobalWindow.cpp, line 5518
--WEBSHELL == 3
CSS Error (http://www.google.ca/firefox?client=firefox-a&rls=org.mozilla:en-US:official :3.315): Selector expected. Ruleset ignored due to bad selector.
CSS Error (http://www.google.ca/firefox?client=firefox-a&rls=org.mozilla:en-US:official :4.0): Unexpected end of file while searching for closing } of invalid rule set.
###!!! ASSERTION: View is hidden but widget is visible!: '!visible', file nsViewManager.cpp, line 1685
Break: at file nsViewManager.cpp, line 1685
--DOMWINDOW == 3
###!!! ASSERTION: font metrics should not be null - bug 136248: 'NS_SUCCEEDED(rv)', file nsDeviceContext.cpp, line 668
Break: at file nsDeviceContext.cpp, line 668
###!!! ASSERTION: no font metrics: 'nsnull != aFontMetrics', file nsHTMLReflowState.cpp, line 2100
Break: at file nsHTMLReflowState.cpp, line 2100
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1219352896 (LWP 28636)]
0xb64330f0 in nsHTMLReflowState::UseComputedHeight () from /opt/mozilla-firefox/lib/firefox-1.0/components/libgklayout.so
Hope it helps

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Firefox has a memory leak and I need to update it, but I want to keep 3.5 because I don't like how the newest version of Firefox is set up.

My computer is running low on RAM, and when I look at what processes are using the most memory, firefox is the number one using between 28,000 to 93,000k, so I'm guessing that it has a memory leak.
And because of that memory leak I have to update firefox, however I really dislike the newest version of firefox and I'd prefer to stick with the version I have, which is 3.5.

Often the memory problems are not just from Firefox in isolation, but partly relating to all the extensions available for it and then the videos and animations it runs on media rich sites.
The first thing to do is to upgrade to firefox 3.6 which is at least a supported version (Maybe not for much longer)
* see [[updating firefox]]
Next version after 3.6 is 4, you should avoid that, it did have some memory problems, that were worse than 3,6 and firefox 4 is no longer secure or supported.
The techies at Firefox have been working on memory problems recently and have made many improvements, but some of these improvements are only seen in the trial versions of Firefox.
I would in fact suggest you upgrade to Firefox 5 the current release version (soon to be replaced with Firefox 6)
I am able to run Firefox v3.6 to v8 on legacy XPs with less than 1GB RAM. Firefox in itself is not necessarily very demanding in terms of RAM. I am not sure what the figures are you are quoting, or whether they are high. ( Note 1Gb is in the order of 1 000 000 k )
As for not liking the set-up of new versions of Firefox, there is quite abit that can be changed, maybe you would be able to configure it more to your liking with little effort.

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Since the last update today, Firefox seems to got a huge memory leak. After one hour idle on some pages it was up to 750MB memory usage, and constant 100% load of one CPU core.
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For what it's worth, I had exactly the same problem (except that it's on Linux) since the upgrade to 17.0. When I disabled greasemonkey, the problem instantly disappeared, so it looks like the compatibility with greasemonkey got broken.
Likewise, I'm very disappointed with the frequent bugs/annoyances that come with the rolling upgrade system; I find myself more and more using Chromium because of it. Mozilla really needs to give people the option to run a stable branch that receives security updates only.

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After using Firefox for several hours, it begins consuming more than 500mb of memory.
== This happened ==
Every time Firefox opened
== I began using Firefox 3.3.6

Hello everyone.
This problems are not, in 99,9% of the cases, Firefox's fault. Rather, they are caused by problematic add-ons or third party software. But you do need to diagnose what your exact problem is. Do this:
#run Firefox in [http://support.mozilla.com/en-US/kb/Safe+Mode safe-mode] to disable all extensions, themes and plugins. If this fixes your issues, be them with RAM or CPU usage, then you know it's a problem with plugins, themes or extensions. Proceed to number 2. If safe-mode doesn't fix the issues, then read bellow, after this list;
#update all extensions, themes and plugins in your Firefox. If this doesn't solve the issues, proceed to the following number;
#disable all extensions, themes and plugins in your Firefox (not running safe-mode). Being certain that, as in safe-mode, the problems you're having have gone away, enable one plugin at a time. You should be certain that you WANT that plugin to be enabled, so keep your overall number of plugins as low as possible. When you encounter the problems, you know you've found a problematic plugin, so disable it for good. Keep enabling all plugins (except problematic ones) until you've gone through them all.
#enable one extension at a time. Again, be certain that you WANT that extension to be enabled, so keep your overall number of extensions as low as possible. Also, try the theme you want to have installed so see if that is what's causing the problem. When you encounter the problems, you know you've found a problematic extension/theme, so disable it for good. Keep enabling all your extensions (except problematic ones) until you've gone through them all;
#you're done! You've fixed your problems with problematic add-ons. If you want to keep using those problematic add-ons, please contant their author for support.
Ok, if disabling all extensions and plugins through safe-mode didn't work to bring Firefox's CPU and RAM usage to good levels, then you have different issue. The most likely scenario is that you have a third party software running on your computer that is messing with Firefox. Do as follows:
#try reinstally Firefox. No data will be lost. You can get the latest version for free at [http://www.getfirefox.com/ getfirefox.com]. If that doesn't fix the problem, proceed;
#do a virus/malware check on your computer. If this doesn't fix it, proceed;
#disable all software running in the background that you don't want to have running in the background (in windows, this is done by pressing WINDOWS+R in your keyboard, typing "msconfig" (without the commas) and pressing enter. Now, under the "Startup" tab, you can uncheck the software you don't want, and reboot your system for changes to take effect. If you're unsure of what software you want running, ask someone with more experience). If this doesn't fix your issues with Firefox, proceed;
#check your firewall/antivirus/security suite for enabled functions/features that you don't want and/or may be conflicting with Firefox. You'll find that these features are most likely tied to Internet Security features, such as link scanners or URL checkers and the like. If you're not sure they are conflicting with Firefox, simply try to disable them to see whether or not that's true. As long as you don't browse the web with your antivirus completely off and your firewall completely turned off, there should be no problems. If this doesn't solve the issues, proceed to the following number;
#check your operating system security options, mainly advanced options that are not configured by default. While it's very unlikely that this may be the cause of the problem (after all, it's the last item on the list), it's remotely possible. If this doesn't work, proceed to the following point;
#clean up your OS registry, using appropriate software. If this doesn't do it, I'm out of ideas. Except make sure you've followed my instructions correctly.

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After I installed Firefox 3.6.9 on a WinXP desktop, I occasionally had minor memory leak problems, reflected by getting "out of virtual memory" messages. I upgraded to 3.6.10 when notified that it was available and that it supposedly fixed stability problems. Ever since then, whenever I use Firefox, it starts out quick as a flash, but very rapidly slows down to a crawl, and has twice brought my system to a halt. IE does not cause this, nor any other program I use, but the execution speed of all programs slows as badly as Firefox. If I knew where to get older versions, I would back up to 3.6.9 or earlier. The situation now prevents me from using Firefox much at all.

Im running windows 7, Firefox 3.6.10 and before i updated to 3.6.10 my CPU never went above 10% with Firefox open. Now it can spike well above 50% and i have nothing different from when i had 3.6.9 to now when i have 3.6.10.
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How can I address a memory leak problem with Firefox?

I have happily used Firefox for the past 7 years, and have rarely had difficulties. However, I am having some trouble now; Firefox (running 3.6.6) seems to have a memory leak on my machine. It's slower than what was discussed in other forum posts, but it still scales up slowly to multiple hundred MBs of Memory with very little CPU usage.
I have tried disabling add-ons and extensions, but this does not stop the problem. I have cleared my cache and other stored data, but that also does not help. Has anyone experienced a similar problem that might be able to help?
== This happened ==
Every time Firefox opened
== within last two weeks

Hi reble0708,
I have Java console disabled on my Firefox browser.Everything is working fine for me. There maybe other problem on your browser which is making PDF document faded and blurry. Can you post the link where you found the problem viewing the PDF document?
Btw, you can go to ftp://ftp.mozilla.org/pub/firefox/releases/ and select the previous version of Firefox from the given options. There's no need to uninstall Firefox before you downgrade to the previous version of it.But before new installation, backup your Firefox profile folder.
edit: replaced random unofficial download site link.

I am getting a memory leak that sometimes leads to an unresponsive Firefox, but does not crash per se.

Hello, For the last couple of months, I am having issues with one of my tabs or the program itself causing a memory leak. I was hoping that subsequent releases would fix the problem, but when I downloaded V.11 it did not help.
I use tab mix plus and at any time, usually have about 25 tabs open. Everything functioned okay for 8 or so months up until recently.
I am wondering if there is a way to try to track down what is causing the leak. If it is one of my open pages, i will get rid of it. I tried opening one page at a time from scratch, but could not find the issue. .
I always have flash block enabled to cut down on the website junk.
using OSX firefox v11.

Now, I'm not going to say it's an Add-On problem because from the research I've been doing on this problem for the last half hour shows that everyone has DIFFERENT add-ons, but everyone's having the SAME problem....
So I went through my add-ons and disabled them one by one, and the single add-on that has been giving me grief is the latest WOT add-on. So, I have Firefox 11 (so does my wife) and we both have the WOT add-on. But that's where the similarity ends... I have Windows 7 x64, she has Windows XP x86.... but she doesn't have the memory leak problem.
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So, it's not the add-ons per se, but how they're interacting with FF (or the other way round).... most likely, it's this plug-in container they created to stop add-ons from taking FF with them when they crashed. Seems to have created more problems than it has solved..... would be great if you could choose not to use it....

Firefox memory leak, how to fix?

I've noticed i've been having memory leaks since quite a few versions before the latest one (33.1.1) and the problem still continues, i notice this more when i leave firefox open for awhile, sometimes only with youtube and couple of other "static" pages on, but i've got the same results without youtube.
Today i decided to ask the question, since i haven't seen any memory leak bugfixes in the recent changelogs and it becomes quite a problem to me because i leave it all day open and when it happens it forces me to restart (not really forces but i don't like having an 1.3GB process when i can have the same for 500~ ...)
I don't believe any of my extras are the reason for it, i've tested them over the pass'ed versions, removed a few, installed a few, always same problem.
All of this running WIndows 7 Ultimate 64-bits .
i've researched and found it's a "common" problem, but no really solution or expected bugfix soon or anything, i'm still to test it without any 3rd part extensions or plugins, but i don't (think) have any extensions that may cause this because like i said, i've changed them quite a few times.
Here is my extension list: http://i.imgur.com/Rk80ajU.png
Here is my plugin list: http://i.imgur.com/GBA0qgY.png
And here is a "Measure" report from "about:memory" : http://privatepaste.com/bcd17c1093
I just want to know why it leaks so badly, almost the double RAM it would normally use.
Currently i'm like 3 tabs with 1.25 GB (Private Set) used, when i close a few tabs, it keeps stable or even rising by a few mb.
I hope there's something useful with that report/my extensions|plugins.
Thanks for the reading.

I heard about that extension "problem" but, when i see on "about:addons-memory" from a third-party extension (that i can't remember but yo can see it in the link on OP, it only uses few megabytes (20~) , so, either it's a memory leak on the extension (if that's really the cause) a problem with my addon to view the extensions memory or a firefox one.
But i seriously don't expect that extension eats up all of this memory, but i will test it in a couple of days.

Memory leak? Firefox won't load pages/open.

Ok, I believe there is a memory leak. I am surfing ok then a page wont load. I go to taskmgr and I show that one firefox has 104,990 K of memory. The rest have at most 3,000K. After the page won't load I close Firefox. It won't open. I have to turn on PC and unplug to get it to open again.

This issue can be caused by an extension or plugin that isn't working properly.
Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]
* [[Troubleshooting plugins]]

FIrefox betrayed by its own "developers"? Memory Leak Work Around at Bottom

Firefox SUCKS memory and holds onto it. Try this test: Open it, leave ONE tab, open and sit back and and watch the damn thing crash.
Funny, as soon as the project people started getting so much money from Google that they had to restructure to avoid losing its non-profit status Firefox developed an insatiable thirst for RAM that has only gotten worse in the YEARS since. They won't fix the problem, they won't acknowledge the problem, the ignore every post about it . . . . So, is killing FF's user base the price for the continued Google money that they so quickly whored themselves out for? Has FF been run by Google these last few years? They certainly couldn't wreck any better.
Posted by Wahoo at https://support.mozilla.org/en-US/questions/939920
"Using ADD-ons to remove memory leak. Mozilla says to remove add-ons to fix leak. Firefox sucks memory. it always has and always will. Nobody wants to admit it exsists on the Mozilla side must less fix it. Firewalls , etc do not cause the leak. You can remove all your ad-ons and leave firefox open and it will suck memory. Every tab you open drains your memory and continues to climb without opening any more. You can then close all your tabs and Firefox will not release the memory. Just fix it guys, it cant be that difficult "
Posteby Onmicide at https://support.mozilla.org/en-US/questions/939920
"There is a way to stay on top of the memory usage:
Go to about:memory and scroll to the bottom. There are buttons there for garbage collection and minimizing memory usage. "

Please try this two minute test.
'''Create a new Firefox profile'''
A new profile will have your system-installed plugins (e.g., Flash) and extensions (e.g., security suite toolbars), but no themes, other extensions, or other customizations. It also should have completely fresh settings databases and a fresh cache folder.
Exit Firefox and start up in the Profile Manager using Start > search box (or Run):
firefox.exe -P
Any time you want to switch profiles, exit Firefox and return to this dialog.
You'll click the Create Profile button. I recommend using the default location suggested, and to avoid data loss, not re-using any existing folder. Then start Firefox in the new profile you created.
What happens with memory usage with the two default tabs open, or another tab of your choice?
When returning to the Profile Manager, you might be tempted to use the Delete Profile button. But... it's a bit too easy to accidentally delete your "real" profile, so I recommend resisting the temptation. If you do want to clean up later, I suggest making a backup of all your profiles first in case something were to go wrong.

When firefox crashes from a memory leak why can't you display the offending tab? Enhancement: a task manager like tab manager showing usage per tab / extension.

I typically keep many windows with several tabs open. It is possible that this causes more crashes since the number of pages multiplies any effect most users with less pages/tabs would experience. I have been having problems with Firefox crashing Using the windows task manager I have looked into this issue monitoring lots of variables. Bottom line the crash is caused by increasing memory usage possibly caused by the flash add on which is doing many IO reads on at least one offending page/tab. Could some sites be using flash to read from my disk without permission and there is a memory leak in either flash of the code the sites uses? I have searched the web for a task manager like add-on for Firefox tabs that would allow me to determine the offending page/tab/add-on/extension. It seems like a great idea which has not been implemented. Since I am a developer I would be happy to implement, but would like some guidance since my knowledge of your product is only at the user level.

There is currently about:memory page which is being actively developed. A "task manager"of sorts is also in the works AFAIK. If you want to help out, your best bet is to find the applicable bug in Bugzilla. If you have the coding skills I can help get you in touch with a mentor - just let me know.

There appears to be a MAJOR issue (hang/memory leak) in "about:home", also known as the Firefox Start Page, in Firefox 26.0 on Windows!

There appears to be a MAJOR issue (hang/memory leak) in "about:home", also known as the Firefox Start Page, in Firefox 26.0, on Windows!
observed on:
- Windows 7 x64 machine with 12GB RAM and high-performance CPU (core i7-920)
- Virtual Machine guest running WinXP SP3 (in Oracle VirtualBox) on the same machine
- Intel Atom D525 netbook with 4GB RAM, running Win7 x64
Neither of these machines are connected via Sync or anything like that. The Firefox instance on the VM is a fresh/clean install.
The problem:
- 100% cpu usage for 10 seconds, memory usage (PF usage in XP) goes up to 1.7GB
- if "about:home" is the Firefox Start Page, effectively it hangs the computer at Firefox startup for 10 seconds
- if "about:home" is NOT the Firefox Start Page, startup is fine - BUT if I press the "home" button on the toolbar it loads "about:home" which causes the same issue again

Thank you cor-el! Your suggestion has solved the problem on my WinXP VM which I was using to test, and I will soon confirm that it has also solved the problem on my primary Win7 desktop.
To recap:
- I set "browser.aboutHomeSnippets.updateUrl" to an empty string
OLD VALUE: https://snippets.mozilla.com/%STARTPAGE_VERSION%/%NAME%/%VERSION%/%APPBUILDID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/
NEW VALUE: (blank)
- I deleted the folder \storage\persistent\moz-safe-about+home under the Profile directory
Actual folder name on WINDOWS XP:
C:\Documents and Settings\<USERNAME>\Application Data\Mozilla\Firefox\Profiles\<PROFILENAME>\storage\persistent\moz-safe-about+home
However I have a concern that the '''OLD VALUE''' of "browser.aboutHomeSnippets.updateUrl" will creep back in, in a future update! Can you communicate this issue to someone on the development team?

Firefox 4.0.1 is using 130 - 160mb of memory on Win7 and I'm getting a memory low error. Is there a memory leak on Firefox

I start getting a memory low warning in Windows 7 and the task manager shows Firefox as 130mb peaking at 160mb. Surely this is much too high and I wondered if there was a creeping memory leak going on. I've disabled most add-ons

Sorry didn't noticed it was solved.

Firefox 6.0 has memory leak

Firefox 6.0 (release) has a memory leak.
Tested with 5 windows and 43 pages loaded and left overnight, it crashed after several hours. Able to fully repro this every time.
I left it for 10 mins after all pages loaded. I opened Task Manager and I can see the Memory (Private Working Set) increasing every few seconds.

Well I'm using 7 beta and my memory usage is just short of 600,000k with plugin container using another 220,000k. There is a massive problem with this!

Firefox 27 memory leak (/questions/978195)

I already did this, sorry , but now I include the automated information.....
More than 6GB in 3 hours (MacOSX 10.7.5, 16Gb RAM)
(No time personally to look at this but, I have tagged it as escalate)

I will make a quick comment, but am unlikely to get back to this again before the weekend.
First do not think we are ignoring this or saying it is not a problem. It is a case of it is something often difficult to pin down and must initially be checked and compared with Firefox in a clean configuration, and using memory figures from the Firefox's reporter about:memory.
If you can ramp up memory usage to 6GB in only 3 hours at least it should be relatively easy to demonstrate whether or not something prevents that from happening.
As a test please
*Make an new additional Firefox Profile,
*Run Firefox in Firefox's safe mode
*With all plugins disabled
* Look at memory use by using ''about:memory''
* Browse for a few hours, has the problem now disappeared ?
Instructions and discussions about this can be seen in thread
* ''Firefox 26 on OS X 10.9.1 still has huge memory usuage (leak) which leads to crash'' [/questions/981674]
*Thread mentioned in tile is <br />''Firefox 25 still has memory leaks'' [/questions/978195]

Firefox+gtk2.6= memory leak

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