Closed Bug 484964 Opened 15 years ago Closed 13 years ago

Flash players stutter during video or game playback every ten seconds or so - lasts for 1 to 2 seconds, then continues.

Categories

(Core Graveyard :: Plug-ins, defect)

Product:
Core Graveyard
Component:
Plug-ins
Platform:
x86_64
Windows Vista
Type:
defect
Priority:
Not set
Severity:
major

Tracking

(Not tracked)

Status:
RESOLVED DUPLICATE of bug 490122

People

(Reporter: foxhimself, Unassigned)

References

Details

Attachments

(2 files)

the periods of Firefox halting during a 6-minute period
3.52 KB, image/png
Details
the periods of Firefox halting after increasing the preference "browser.sessionstore.interval" from 10000 to 120000 milliseconds
56.15 KB, image/png
Details 
User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7

Whenever I play a flash game, or watch a movie through a flash player (like, say, Youtube). The video or game just stops for a few seconds, then continues as if it never stopped, which means I lost a few seconds of the game or movie, which sucks when playing fast paced games or if it stops right in the climax of a video.

Reproducible: Always

Steps to Reproduce:
This happens whenever I start Firefox.


Expected Results:  
Run the videos and other flash content smoothly

I'm using the default settings for the entire browser.
You have forgot to include the exact flash plugin version string and an example url and if it works in another npapi browser like opera.safari,
Why do you think that this is a bug and not a support question because this seems to work for nearly all other users including me with ff3.07 and flash plugin 10 r22 on moat youtube videos unless the youtube server is busy
Component: General → Plug-ins
Product: Firefox → Core
QA Contact: general → plugins
I have had the same problem for a long time, and haven't yet found any solution. But in fact it's not only Flash that stops - it's the whole Firefox drawing!

For instance, GIF animations stops for some second, like on this page:
 http://www.emoticones.com/emoticonos_bananas.php

Also, the cursor and characters in a text field (like the one I'm writing this text in) has this behaviour. (All my keystrokes are accepted, though, so I only notice it visually.)

[Fossum, could you please check if you have the problem with GIFs?]


Some more details:

- I tried disabling all my add-ons, but the problem remains.

- The problem remains both in normal mode and in Safe Mode.

- BUT: I have another Firefox Profile as well (which I use for add-on development) and with that profile there is no problem!!!

- In MSIE, there is no problem.

- I had the problem already on my previous computer in 2007-08. I then bought a new one in early 2009, installed FF, and lifted over my FF settings etc with Mozbackup. The problem is on my new one as well, either via Mozbackup or from the start.


Some googlings (more people have the same problem) and what I did:

http://support.mozilla.com/tiki-view_forum_thread.php?forumId=1&comments_parentId=9875
("Problem with sessionstore.js sessionstore.js in the Profile folder can cause freezing problems as every 10 seconds a new file is written to disk.
If you see multiple files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete them all.")
After reading this, I searched for those files but didn't find any such problem. I haven't yet tried the two other tips though:
("I had to reinstall Firefox; one of my bookmarks was corrupted or something. That took care of it. Just back up all your bookmarks and don't import them back into your new Firefox.")
("Spybot S&D can cause a slow response by adding a lot of exceptions (immunizations) to hostperm.1 in the Profile Folder")

http://radio.javaranch.com/davo/2007/08/06/1186413684681.html
("Finally I found something pointing to issues in Adblock Plus, and although in the thread they stated it had nothing to do with them, I turned this off and *poof*, no more problems.")
I uninstalled AdBlock Plus, but the problem remained.


Summary:

This problem makes my Firefox really useless for anything from simple Youtube videos to serious web TV. It also disturbs me dozens of times per hour by lagging my cursors, texts, and even makes my touchpad scrolling non-functional during the seconds of halting. Everything lags behind, and it's not due to server issues. Really frustrating, and it seems like more people have it.

I feel like reinstalling the whole Firefox just to try to get a better life, but perhaps I could help finding a bug first. What should we test next?
What could cause it to happen on just one of my two Firefox profiles?
And which of the above mentioned details could be causing these glitches?
sessionstore.js?
corrupt bookmarks?
too many hostperm exceptions?

[I'm running FF 3.0.10 on Vista Business SP1 32bit 
and I'd like this bug to say something else than "Component: Plug-ins"]
To me it feels like the same problem as in Bug 445453 .

Bug 408003 could be similar as well.
I forgot to say that I can see a CPU raise when the FF drawing halts.
With the Task Manager set to its fastest update speed, the Firefox.exe CPU consumption raises quickly from ~15% to 40%-50% and down again.

I might have noticed some problem-related sessionstore.js file reads/writes also in the Resource Monitor, but I'm not sure how to investigate it further...
My impression is that this bug makes a really nasty combination together with Bug 145313 ("Ctrl/Shift/etc state should be registered at click time, not later when loading/processing").
Problem: When the browser lags behind, it does not take care of the click messages. When I ctrl-click or shift-click a link and release the modifier key shortly after the click, it happens quite often that both the click and the modifier release was made during lagging time. Then the click is taken care of at a later time, without modifier.
This is very easy for me to reproduce:
1) load a page with animated GIFs, e g http://www.emoticones.com/emoticonos_bananas.php
2) when a typical 2-second drawing lag starts, quickly ctrl-click a link and release the ctrl key before drawing starts again
Result: a new page opens (ordinary click).
Expected result: a new tab opens (ctrl-click).

I should also add that sound output is the only thing that is alive during the halting browser drawing. I guess the sound is buffered somewhere else.

And finally, I have attached a picture showing (in cyan) the periods of Firefox halting during a 6-minute period. This is what I experience all day. 
What should I look for? 
What could halt the drawing this often? 
If nobody seems interested in investigating this bug very soon, I will have to reinstall my Firefox.
Sorry that I haven't responded sooner - I've been traveling lately and haven't found the time.

mr@analogue.org, I have the same problem with animated GIFs. They stop for a few seconds and then continue as well. Audio is also not affected here. Videos streamed online using other apps (like Windows Media Player and the like) are not affected at all.

Someone requested my plugin version, I'm using Shockwave Flash 10.0 R22. Please tell me if there's any other information you'd like - I'm a newbie when it comes to seeking out problems in programming like this! I've tried to redownload and reinstall everything, but videos and the like still stutter.

Man, I wish someone could take a look at this.
Interesting, Fossum, thanks for returning. :-)

Did you mean the standalone WMP application or the browser plugin? For me, when Windows Media Player is embedded in a web page, it stops just like the rest of the browser drawing.

Do you also get a lagging cursor & text while typing in a text input field like this?

Could you try to reproduce the ctrl-click thing I described above and see if your modifier keys also get lost?

Btw, my versions are:
Shockwave 11.5r596
Flash 10.0.22.87
Hey!

I mean when a page (for example, GameTrailers.com) has a video on the page using WMP and you get all the WMP buttons and it just looks like a WMP window if you know what I mean. That's not affected at all.

I get the occasional lagging cursor and text, but I believe that's only when my CPU is working harder than normal, and it's not really that annoying.

I tried to reproduce the ctrl-click by watching a clip and waiting for the usual "halt", but it still worked as it should (opened a new tab).

Also, Firefox seems to eat TONS of memory if I leave it up for a while, and especially if I browse sites with videos. Is that normal? It can take up as much as 1,5GB of my memory if I have it up for a few hours.
Would be interesting with more people's experiences, as our behaviours seem not completely identical after all.

Another thing you can try is to scroll (with the scroll wheel of a mouse or with "virtual scrolling" on a laptop's touchpad) up and down repeatedly and see if FF sometimes stops updating here as well. For me it stops.

(FF eats a _lot_ of memory for me too (and often eventually crashes), I expect some other bug report takes care of that problem.)
I can confirm hanging and stuttering on 32 Bit Windows XP SP3 and Mac OS X 10.5.7, Intel.  Both with Firefox 3.0.10.

Flash videos (YouTube, etc.) and Flash games like http://www.helicoptergame.net/

Just tried this Flash game on Windows and it hangs every few seconds. No problem in Safari.

OK: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE) AppleWebKit/525.28.3 (KHTML, like Gecko) Version/3.2.3 Safari/525.29

Stutter/Hanging: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10

Both the same Shockwave Flash 10.0 r22

I can't tell you a fixed date since when this happens. I don't think I remember Firefox 3.0.7 behaving this was. Could be an Add-On. Haven't checked in safe-mode, yet.

InfoLister's (German) output:

Letzte Aktualisierung: Wed, 20 May 2009 11:05:23 GMT

User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10

*** Erweiterungen (aktiviert: 32, deaktiviert: 0; gesamt: 32)
Adblock Plus 1.0.2 
Codetch 0.4.2 
ColorZilla 2.0.2 
Dafizilla ViewSourceWith 0.4.1 
Deutsches Wörterbuch 1.0.1 
Digger 3.0 
DOM Inspector 2.0.3 
Firebug 1.3.3 
Firecookie 0.8 
Firefinder for Firebug 0.91 
Html Validator 0.8.5.5 
HttpFox 0.8.4 
InfoLister 0.10 
Java Console 6.0.13 
Java Console 5.0.18 
Java Quick Starter 1.0 
JavaScript Debugger 0.9.87.4 
Linkification 1.3.6 
Live HTTP headers 0.14 
Mouse Gestures Redox 2.0.3 
NoScript 1.9.2.8 
PDF Download 2.2.0.0 
Pencil 1.0.4 
Pixel Perfect 0.6.1 
ScrapBook 1.3.3.9 
Screengrab 0.96.1 
SQLite Manager 0.4.8 
Stylish 1.0.1 
Tamper Data 10.1.0 
United States English Dictionary 3.0.3 
Web Developer 1.1.6 
YSlow 2.0.0b3 

*** Themes (1)
Default [ausgewählt]

*** Plugins
Adobe ESD Manager Plugin
Google Update
iTunes Application Detector
Java(TM) Platform SE 6 U13
Microsoft® DRM
Mozilla Default Plug-in
QuickTime Plug-in 7.6
Shockwave Flash
Windows Media Player Plug-in Dynamic Link Library
Stefan:
Do you have the same problem on pages with animated GIFs, e g
http://www.emoticones.com/emoticonos_bananas.php
and on other drawing occasions like when you scroll a web page up & down?
(In reply to comment #12)
> Stefan:
> Do you have the same problem on pages with animated GIFs, e g
> http://www.emoticones.com/emoticonos_bananas.php
> and on other drawing occasions like when you scroll a web page up & down?

Thanks for the bananas. Yes, same problem there. Tested the animated GIFs page and no problems in other browsers like Safari or Internet Explorer 7. Hanging in Firefox 3.0.10. But not at a fixed interval.

The scrolling, too. Tested it with long scrolling sites like slashdot, after a complete load. And as I came back to this tab here I see the same problem. And entering the text here hangs from time to time, but not often.

That's bad. The comments here changed my perception. I ignored most minor glitches. Now I see them everywhere!
Great (bad)! Then it's not just a problem in my end, and it's not just a problem with Flash but a problem with the whole browser. 

Some developers should really dig into this now - I'm not involved in coding at all, just reporting the annoying bug. (Should the bug title & component remain the same? Maybe a new bug report should be filed?)

Nowadays we use browsers for such a large part of our daily computerism that it' not obvious that a seemingly hardware-related problem lies in the browser. I didn't even realize that other programs accept my touchpad & scroll movements at all times.
For many many months I thought that my CPU was overloaded, that scripts inside webpages made text input fields nonresponsive, that Flash was a badly chosen technique of showing movies, and that my touchpad was not working properly. I've tried to minimize unnecessary processes and services, I updated touchpad drivers, and I nearly reported a failing touchpad to the manufacturer. 
Now I know that better - it was Firefox all the time! :-/
I can not reproduce any of this issues with Seamonkey trunk and FF3.5b4 on windows2003.

comment #11 is a nightmare if I watch the list of active addons. We assume that you test WITHOUT any addons. comments about issues with performance and active addons are useless for us.
Just start Firefox in the Firefox safemode:
http://support.mozilla.com/en-US/kb/Safe+Mode
and you might also try a new, additional profile :
http://support.mozilla.com/en-US/kb/Managing+Profiles
OK, tried again in Safe-Mode. Scrolling OK. No hanging on the animated GIFs page (Bananas). And no problem with the Flash game (Helicopter Game).

There are very often problems with extensions. The main selling point of Firefox are the extensions. I hope I'll find the extension which is causing all this and that it's not just a problem with the number of extensions I use.

Feel free to keep testing. Don't know if I can make it this week. The plan: Disable half the extensions and test the page. If there's a problem it's in the active half. If there's no problem, it's in the disabled half. And so on. 30 extensions are a lot ... :-)
(In reply to comment #16)
> OK, tried again in Safe-Mode. Scrolling OK. No hanging on the animated GIFs
> page (Bananas). And no problem with the Flash game (Helicopter Game).

But could be that Firefox was started anew. Have to test it later again and visit some sites before that, open some tabs, until the error can be reproduced (or not) with and without safe-mode.
(In reply to comment #15)
> comment #11 is a nightmare if I watch the list of active addons. We assume that
> you test WITHOUT any addons. comments about issues with performance and active
> addons are useless for us.

And Firefox without addons is useless for me.
This is bugzilla.mozilla.org, the tool for the Mozilla developers and we can only fix bugs in our code and most addons are not from us.
An addon can do everything, it can hang/freeze the browser, make it slow like hell, change/break any viewed page content, can cause the browser to leak memory like hell, send a file from your hdd to a server in the internet, format your Harddisk if you run Firefox with the permissions, it could make IE unusable....
Addons are great but they are only great because they can do all kind of stuff like this. We added the safemode and the function to disable addons for finding bad addons like you seem to have.
(In reply to comment #14)
> Great (bad)! Then it's not just a problem in my end, and it's not just a
> problem with Flash but a problem with the whole browser. 

Don't give up! I tried to reproduce it on my Mac. Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; de; rv:1.9.0.10) Gecko/2009042315 Firefox/3.0.10

With all extensions enabled, no problems occurred. But a few hours later I have them. It's (maybe because of) the memory. RSIZE is over 430 MiB at the moment for the Firefox process. Could be a leaky extension or Firefox itself. Hard to reproduce that in safe-mode because of the massive loss in usability. I'll give it a try some time later.

You said you have the problems in safe-mode, too? Right from the beginning of the Firefox session?

How much RAM is in your system and do you start a lot of other programs in parallel?
(In reply to comment #20)
> 
> With all extensions enabled, no problems occurred. But a few hours later I 
> have them.

Interesting.

> You said you have the problems in safe-mode, too? Right from the beginning of
> the Firefox session?

Yes, always, in both normal and Safe Mode - but only in one of my two profiles!

I'm wondering if a profile and/or the Firefox installation itself can get "rotten" over time, just like Windows does, so that you have to make a clean install from time to time just because of aging. Are there any history related or update related behaviours that can ruin performance after a long time?
I never expected this to happen in a non-Microsoft product. 0;-P

> How much RAM is in your system and do you start a lot of other programs in
> parallel?

2 GB RAM, I always have some other programs running too, but the problems exists long before I reach near the maximum limits of RAM or CPU use.

Please do try it out in Safe Mode for a longer period, if it appears there as well we can be sure it's not the add-ons!
I can reproduce this problem at will on FF 3.0.11 / WinXP Pro SP2 / Flash 10.0.22.87. All addons are disabled. On launch FF is about 77MB. I then start right clicking on Toolbar folders and doing "Open All in Tabs". With about 60 random tabs open I got FF up to about 160MB and began to get a very slight version of this problem. By the time I was up to 220MB it was significant and occurred with Flash video on all sites regardless of which player they were using or what server type they had. At 300+MB Flash was all but useless.

BTW, once downloaded, I can replay the same video and get somewhat fewer stutter points. I'm guessing this is because memory may have settled down.

This is clearly a pure FF memory-size-based problem. Addons simply help you get to the big numbers faster. And please don't tell me to a) leave all addons disabled, or b) "it's fixed in FF 3.5". This problem is being reported to us by paying subscribers and it's not nice to tell them they picked the wrong browser.
Very interesting and valuable report, Peter.
Can you confirm that the stuttering problem is not only in Flash animations, but in the whole browser behaviour/response  -  such as GIF animations, page scrolling, and text input field cursors? It would be good to know.
(The GIFs again: http://www.emoticones.com/emoticonos_bananas.php )

You seem to be right in the fact that it's a FF memory-size problem.
I first thought it depended on the number of tabs open (I always work with many tabs because it's handy, and any user should be able to do that without problems as long as there are CPU/memory resources left) but now I see clearly that it's getting worse with increased FF memory use - and the memory use isn't directly corresponding to the number of tabs. After some days, my FF process can easily reach 600 MB (shame on you, memory hog!) and the stuttering is 3 seconds or more on my new quick 2.26 GHz Core 2 Duo computer.
 The reason I saw it in just one of my FF profiles was likely that one of them always used lots of tabs&memory, whereas the other one did not. The cause of the problem surely exists in both. Note that the problem arises long before memory or CPU is fully used!

When recently upgrading to Firefox 3.5 I was hoping that all this should just go away. I updated my FF to the new version, and the problem remained. Darn. I then uninstalled Firefox completely, including all related files and settings and made a completely fresh FF 3.5 install from scratch. I was then not able to see the problem - since the process didn't use much memory yet - but when I restored a Mozbackup of the basic settings (incl tabs, but not bookmarks etc) from the old installation, the problem was visible again. So, it was not a "rottening old installation" problem either.

As beautifully "free" as Firefox might be, it still needs to be performing proffessionally enough to be used by commercial services like the one just indicated by Peter.

What in FF is keeping all this growing memory?
What is FF waiting for dureing the long seconds of stutter?
Why isn't FF using the CPU resources instead of slowing performance down?
Those are questions that would need to be answered, but I have a feeling it's not going to happen as long as this bug is sorted under "Component: Plug-ins". All in all, it feels like a big performance issue/bug right in the middle of FF.
This Lifehacker article suggests the problem is caused by the Session Restore service writing the current windows and tabs to disk every ten seconds:

http://lifehacker.com/5342636/how-to-fix-annoying-youtube-jumpiness-in-firefox

The suggested workaround is to increase the time between writing the data to disk by changing the preference browser.sessionstore.interval.
@Uriah -- Even if this is the case (I haven't test it yet) it means that the browser's own defaults are part of the problem. Asking/telling users (especially non-technical users) to start editing obscure and arcane items simply does not work. All they know is that the video is getting jumpy, and rather than fix it  they ... go someplace else.

If this is an artifact of frequent session saving, then that may be where the problem needs to be addressed. Either through a different default (10 seconds seems a little short to me) or through some variable behavior that slows down the updates as the browser image grows.

But there is still the question of why does *everything* have to stop while this is happening?
It seems that on my profiles with thousands of bookmarks, I get the stuttering fairly often, whereas on new profiles with few bookmarks, I don't. This might provide a way to more easily duplicate the problem and help confirm the memory usage theory.

For no reason but a feeling in my bones, I suspect the new cycle detection in the garbage collector might be part of the problem. Wouldn't that have to lock down parts of memory while it walks long lists (like bookmarks), possibly causing animations to stutter?
(In reply to comment #25)
> @Uriah -- Even if this is the case (I haven't test it yet) it means that the
> browser's own defaults are part of the problem. Asking/telling users
> (especially non-technical users) to start editing obscure and arcane items
> simply does not work.

No one suggests that this is the way to "fix" this bug. It is a workaround. If changing this preference prevents the stuttering for you, then we have identified a potential cause for the bug, which is the first step toward fixing it.

Please try the workaround, and if it works, report back. With the additional information, perhaps the bug's summary can be changed to something more specific and it can be addressed by a developer.
This problem is annoying as hell. I've resorted to opening Chrome or downloading the file when I want to view a video.. and I don't to have to open another browser just to watch a Youtube video without problems. All my friends have the problem, and some of them switched browsers (can't say I blame them). It happens to me all the time and without fail on 2 different Windows 7 laptops (one is a decent Toshiba Satellite with a Core 2 Duo, and the other is a netbook). One of my friends has a quad-core beast that can play Crysis on 60fps, but still can't show a Youtube video reliably when using Firefox.

It's been happening since 3.0 launched, and it continues on all the latest stable versions. Lifehacker's solution didn't work for me.

Come on Mozilla, please fix this!
Please vote for this bug (at the top) if you think it's important to fix!

I sat for hours the other day, trying to get hold of a decently quick and easily reproducible way of reaching obvious freezing problems, but was not lucky. It seems to behave quite well if you just load a lot of tabs & big web pages one after another, but it develops into a stuttering mess if you actually *use* the browser. Scripts, Flash movies, Facebook, Gmail, sheer memory growth - I'm still not getting any clue as to what gives the most problems, how we could reproduce it, describe it, or get rid of it. Annoying in a meta-sense.

However: This new browser.sessionstore.interval workaround was very interesting to see. I immediately changed it to 2 minutes, restarted Firefox and immediately got very enthusiastic and thought the whole problem was blown away. Then I slowly realized that things still get worse when using FF for some hours.

[ I will post a second attachment of how my freezings look now. ]

After doing the workaround, for me it feels like *half* of the problem is gone. The lock-ups are shorter, less annoying, and noticeably less CPU time is actually consumed(!) - but the problems do increase over time, just like before. And there are still several of them per minute, even with a sessionstore interval set to 2 minutes. Something else seems to be stealing performance as well - but what?

Speaking of this Session Restore service... couldn't it write its data when there is new data to record, instead of writing it every x milliseconds?
Looks to me that the posts here: https://bugzilla.mozilla.org/show_bug.cgi?id=490122
Should also be part of this discussion.

I've had this problem for some weeks now, and I can confirm these very annoying delays when playing flash video (sound is ok as stated many times), and also: stuttering when typing in messageboxes, delays when scrolling over webpages, switching between FF windows and clicking links.
No idea on when it started exactly. If I'd had to guess it would be my upgrade to the 3.5.x series.

After doing my report in bug 490122, I've reinstalled Windows (now W7 64-bit Final from the MSDN package), and started with a completely new and clean Mozilla FF profile.

The probleem seemed gone at first, so I was happy and installed a few add-ons. Now, after using FF for some time, the problem is back and it seems even more annoying then it was before (longer pauses, more frequent). Right now, memory usage is about 500 MB with a single window in use. During delays, CPU-usage peeks to 50%, no peeks in memory usage.

I can tell you that I'm not easily annoyed, but experiencing delay every 10 seconds or so is sort of low-level brainwashing ;-)

I had quite a few add-ons on my previous profile but this one is quite clean:
DOM Inspector 2.0.3
DownloadHelper 4.6.2
Resurrect Pages 2.0.4
Xmarks 3.3.2

Plugins:
Mozilla Default Plug-in 1.0.0.15
Shockwave Flash 10.0.32.18

Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2
Windows NT 6.1 being the alias for Windows 7 Ultimate 64-bit final from MSDN.

Interesting to see the comment on the large amount of bookmarks. I think I have an above average amount of those, about 700 I estimate. I use Xmarks to back them up remotely. I could do a bit of cleaning up and see if it has any results. However, the amount of bookmarks didn't increase much over the past months so I don't expect to find much there.
In my opinion, this bug should be marked as a duplicate of Bug 490122.
("Firefox periodically becomes unresponsive/freezes: video jerks/pauses/halts; links, tabs, menus stop responding")

That bug report is a little better described, it is not confusing us with flash plugins, and it has more votes. Together they give a lot of material for the developers to dive into...
IMHO, this bug is still a duplicate of Bug 490122.
I believe it's Firefox's auto-backup feature that keeps snapshots of the browser's tabs (and their states) activating every once and again. I used to have this problem back in the FF3 days but I don't any more since FF3.5 came out.

Just FYI this bug was reported before bug 490122 was. :)
So here we are, 2,5 years later and I'm now running a significally more powerful rig with Win7. The problem is still here. Firefox can take up as much as 2,5 GB of my memory if I leave it up for long periods of time, and it will always stutter on any media played through it and sometimes even crash.

The more memory the browser is eating up, the more frequent the stops are. Sound is all fine, but holy **** it's annoying watching a football match and missing a goal entirely because of it. Text input is also jaggy as hell (like while I'm typing this) with the actual letters appearing in short bursts as I type. The scrollers also stutters.

It's almost as if it's drowning in its own memory leak and needs to stop everything to catch its breath. Since nothing has been done in all this time I'm for the first time ever seriously considering switching browser.
For some reason I'm not getting stuttering in Flash, although Flash performance has decreased since Firefox 3.

My brother gets this but that's probably because he's got a ton of Web history and has updated loads of times (instead of installing it fresh). He's currently using Chromium and while the stuttering is still there it's not as bad.

I'm not saying I'll switch browsers but this is still a somewhat major concern. Maybe a video might wake them up. ;)
if this doesn't get better when the bugs blocking bug 490122 get fixed, then please reopen this bug
Status: UNCONFIRMED → RESOLVED
Closed: 13 years ago
Depends on: 490122
Resolution: --- → DUPLICATE
Product: Core → Core Graveyard
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