Firefox immediate lockup trying to restore memory-leaking open tabs

I've managed to get firefox to immediately lock up once opening it as it's trying to restore a tab that causes the memory so suddenly leak so severely the memory graph in windows is greater than 45 degrees. Firefox does have option to turn of tab-reopening on launch, but that requires being able to use the options menu, or even about config screen. Restarting the computer, end-task on firefox and re-launch, or spam clicking the close window box, or ctrl-w to try to close tabs, all have failed.
Is there a way to launch firefox perhaps with a command line or key hold that prevents it from re-opening a previous session?

Look for the Firefox icon on your Task Bar. Right click and select
'''Open New Window.'''
'''[https://addons.mozilla.org/en-US/firefox/addon/flashblock/ Flash block]''' {web link}
Never be annoyed by a Flash animation again! Blocks Flash so it
won't get in your way, but if you want to see it, just click on it
'''https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster'''
'''https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix'''
'''https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding'''
'''[https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram Firefox uses too much memory (RAM) - How to fix]'''

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Firefox 4.0 RC has huge memory leak + slow down problem

Firefox 4.0 RC Seems to have a huge memory leak issue. After leaving the program open for around half an hour the RAM usage climbs to over 1 gb.
However, I have 12 gb of physical ram, so firefox staking 1 gb for itself is not too big of a problem (and is probably a blessing as it means it's caching more data), but the problem is that the UI begins to slow down and become clunky after about 30 minutes.
Browsing, switching tabs, even typing becomes jittery and not very responsive.
This happens regardless of how many tabs I have open.
Now it's also crashing every once in a while.

Even with Firefox 4.0 (Release) running in Safe Mode, with all add-ons and themes disabled, I'm still inclined to think there's something screwy going on here.
I was watching Page Faults/sec, Page File Bytes and Working Set in Performance Monitor and tailing the Privoxy log for requests. Even with Firefox minimized and "doing nothing" (making no requests, anyway), over the space of a 10 minute period the Working Set grew from 244,375,552 bytes to 274,939,004 bytes (averaging 50,939 bytes/second). This behaviour doesn't seem consistent though - sometimes it doesn't seem to grow at all.
Additionally the Page Faults/Sec went nuts, accompanied by a step in Page File Bytes and Working Set, whenever a request got made to http://safebrowsing.clients.google.com/safebrowsing/downloads which seems to happens on a regular basis (approximately every 30 minutes).

After quitting a "private browsing" session, and I quit togo back to previously open tabs/pinned sites, 40% of the time, the Browser does not restore all previously open tabs/pinned apps/sites

Using HP Pavilion Dv7 with Windows Home Premium, 64bit, and only now and then will FF4.0.1 restore previous (normal) session after returning from a private browsing session, )I use the Quit Private Browsing menu item from the Toolbar right-click menu to go back).... In addition, previously Pinned sites (apps) are lost also, and all must be re-added.
Inconsistent failure and I've not been able to reliably reproduce-- sometimes (about 4-6 times in 10) it just loses all previous information.

I would add that bookmarks may be organised into folders and subfolders. You may wish to make more use of bookmarks if only to ensure you do not loose everything if your session restore becomes problematic.
Bookmarks are a bit more robust than the session restore system. Firefox backs them up automatically and you may do so manually. Possibly Firefox will behave better and faster with hundreds of bookmarks but only tens of tabs open. There is also the tabs groups, but that is something I think development has ceased on and may have similar issues to session restore / or open tabs.
* [[How to use bookmarks to save and organize your favorite websites]]
** [[Restore bookmarks from backup or move them to another computer]]
** [[Use bookmark folders to organize your bookmarks]]
*[[Use Tab Groups to organize a lot of tabs]]

Firefox 4.01 no longer saves session or open tabs .. Can this be fixed ?

Simply on exiting previous versions gave the option to save open tabs so your current session was restored when Firefox reopened .. This no longer happens and is annoying .. Can it be fixed or is there some new feature ??? Thanks Warren

Firefox 4 saves the previous session automatically. 
You can use "Firefox > History > Restore Previous Session" to get the previous session. 
There is also a "Restore Previous Session" button on the default about:home Home page. 
Another possibility is to use:
*Tools > Options > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"

Firefox crashing after using ~1.3GB memory with many tab

I'm generally using FF with around ~100 tabs (or more). Whenever FF reaches a certain memory level (somewhere above 1.1GB), it crashes. I have submitted several crash reports, but I didn't get response to any of them. I have upgraded memory from 2GB to 3GB in my computer without any luck. It is terribly annoying to have a crash every so often (every some hour). This is an issue for several months now (don't know when it started, probably like 6 months ago), and it persisted through several FF/Flash upgrades (I don't think it has something to do with Flash though).
Any ideas? If you need more info, just tell me.
Thanks,
Peter

I'll try it probably later today.
I didn't have any issues with Chrome so far. Although the multi-process nature of Chrome would probably make the issue non existent.

Has Firefox stopped being able to handle hundreds of open tabs?

For many, many years and FF versions, I have preferred having hundreds of tabs open to trying to manage bookmarks. I currently have about 650 open. For many, many years and FF versions, this worked fine.
When I started using FF 25, it started crashing with a frequency that I can't remember since the 0.x days. 25.01 seemed to fix that, but every single version since then has had the same problem.
I am currently running with just three essential addons:
Adblock Plus 2.6.3
Tab Mix Plus 0.4.1.4
Classic Theme Restorer 1.2.1
All are on another machine which has just a hundred tabs, and which does not suffer this level of crashing.
It's not a memory shortage: I have 16G of RAM and there's still some free (FF is only using about 1.1G of it). Ubuntu 14.04 32-bit version, using PAE to address all of the RAM.
I have faithfully submitted crash report after crash report, without hearing anything back. There is nothing obvious in common with the crashes - they can happen with the simplest of pages in focus - but they keep happening.

[@ OOM | large | mozalloc_abort | mozalloc_handle_oom | moz_xmalloc | libxul.so@0x8aa760 | libxul.so@0x8aaa01 | libxul.so@0x1344819 | libxul.so@0x134afc5 | libxul.so@0x135e98e | libxul.so@0x13211b8 | libxul.so@0x13216ea | libxul.so@0x8d6a6c | libxul.so@0x...] - Firefox 30.0 Crash Report - Report ID: 5dd7c254-9e31-450b-8a91-7ac642140627:
* https://crash-stats.mozilla.com/report/index/5dd7c254-9e31-450b-8a91-7ac642140627

When I open Firefox I receive the following message on the open tab: jar:file:///C:/Program Files/Mozilla Firefox/chrome/en-US.jar!/locale/branding/browserconfig.properties.

I have been slowly loading more plugins and extensions for Firefox, as I found that I had a conflict and Firefox would freeze. Two (2) days ago I used Firefox Sync for the first time. After I rebooted my computer, I found that when I opened Firefox I receive this message "jar:file:///C:/Program Files/Mozilla Firefox/chrome/en-US.jar!/locale/branding/browserconfig.properties."
I use Speed Dial as my home page and at the same time I received this message, Speed Dial stopped working, unless I click on the "open a new tab" button.
I opened the container for the file listed above, and I show that the file is in the folder.
I tried reinstalling Firefox in case there was a corrupt setting, however it hasn't helped

Caused by the Firefox Sync extension. Reset your Homepage to Default.
http://support.mozilla.com/en-US/kb/How+to+set+the+home+page

Firefox 3.6.17 on Mac won't open tabs and more

Mac OS X 10.6.7 (10J869)
FireFox 3.6.17
new tabs won't open, just put a new tab on tab bar titled Untitled and cannot switch to the new tab.
Haven't tested all plugins, but firegestures, lastpass don't work.
All worked fine yesterday...

This issue can be caused by an extension that isn't working properly.
Start Firefox in [[Safe Mode]] to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
* Don't make any changes on the Safe mode start window.
* https://support.mozilla.com/kb/Safe+Mode
See:
* [[Troubleshooting extensions and themes]]
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

"When you create a new tab, the Location bar will be focused so you can just start typing the name or address of the website you want to go to" Um...no it doesn't. IN the "improved" Firefox 5, the focus remains on the previously opened tab...very annoying

New tabs are not getting focus. Typing an address after opening a tab opens the address in the first tab, not in the tab that was just opened

Tools > Options > Tabs: [ ] "When I open a link in a new tab, switch to it immediately"
This issue can be caused by an add-on that isn't working properly.
Start Firefox in [[Safe Mode]] to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
* Don't make any changes on the Safe mode start window.
* https://support.mozilla.com/kb/Safe+Mode
* https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

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 17 huge memory leak

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.
Looks like something is not going well with the garbage collection, if I visit http://www.robertsspaceindustries.com/forums/forum/forum-category-2/ for example.
Had to disable the graphic hardware acceleration, because of the newly introduced "clear type" font bug.
Edit: May also be related to mail.google.com, which I have running in an app tab.

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.

Memory leaks with Third party classes

Hello all,
This is fairly known problem. But I guess, my problem gives a new dimention to the problem.
I have an application which is developed by me. This application ideally needed to use third party classes ( obviously no source code is supplied ). These third party classes provide extra functionality required.
The problem is, when I don't use third party classes in my application, every thing is fine. When I include third party classes, I am having memory leaks.
Then I tried to investigate memory leaks with Optimizeit tool. It is new to me. As of now, I understood, we can identify where the memory leaks are occuring.
finally the problem is, in order to solve this, I need some patches in the code. But I don't have source code for those classes. How to solve this problem?
For example,
I use a third party classes in my code like this,
ThirdPartyMemoryLeakClass obj = new ThirdPartyMemoryLeakClass();
This 'obj' is made static, as it takes lot of time to create this object. Obviously this object contains several references to other objects, which I can't control.
In the process of reusing this object, I am getting memory leaks.
Any ideas regarding, how one has to deal this type of situations? What are the issues involved with this case? Are there any similar problems, which have been solved? are most welcome.
many thanks for your time.
Madhav

Decompile it using jad. Find leak.Yes, I too got the idea and tried to decompile those classes and recompile. I had some problems while recompiling. Is this is the only way to get rid of this problem?
I was refering to powersoft.datawindow.DataStore class. Does any body here has worked on these?
Can you suggest me how to find the memory leak causes? if you were needed to find out memory leak causes, what would be your approach?
Madhav

Suddenly, I'm getting a huge memory leak

Since somewhere in Firefox version 36 and continuing to the present (ver 37.0.1), I am getting a major memory leak. I am using Mac OS 10.9.5. And this is what I've done so far: reduced the number of tabs (now at about 4 or 5). Have a minimal amount of plugins and extensions. Maybe 5. I've reset Firefox but the leak still occurs.
This happens when I leave Firefox open overnight. It's only been happening for about the last month. In the morning I find that all my apps have been paused for lack of memory. Looking at the activity monitor I see that my kernel_task is using 9.5GB of memory (when it should be about 1GB). Quitting Firefox solves the problem. But this has never happened before.
Also, sometimes Firefox will crash saying the Shockwave plugin quit. I have updated to the latest Flash plugin but it still happens.

The three Add-ons you mentioned are extensions (Firefox/Tools > Add-ons > Extensions).
Note that an extension like Firefox bug can cause issues with memory leaks.
If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can try to close the browsing area and only leave the menu bar visible to see if the leak still happens.
What I meant above was plugins like Flash or Java (Firefox/Tools > Add-ons > Plugins) that might be used on tabs if you keep the browsing area open with some tabs with web pages.
*https://support.mozilla.org/kb/Troubleshooting+plugins

My iphone got stuck when I tried to restore it. Can you help me?

My phone seems to be stuck in a loop. The screen continually goes from the apple logo, black, a white flash, and round and round.
It started when I was trying to restore it.

Open iTunes on computer. Connect iphone to computer with USB Cable. Hold both home and power buttons until iTunes recognizes iPhone in Recovery Mode. Usually takes about 20 seconds of holding both buttons. Restore Firmware.

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.

Firefox immediate lockup trying to restore memory-leaking open tabs

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