Fixing jerky scrolling in Firefox

Fedora did a lovely job of updating me to the latest version (v. 20) of Firefox. One problem I found, was that scrolling on certain pages was quite jerky. Performance was worse (or more likely) on pages with a frameset, and pages which were long. Pages with many images made this problem worse.

It turns out that the workaround is to disable hardware acceleration:

firefox-disable-hardware-scrolling

After you’ve unchecked this box, restart Firefox, and scrolling is now considerably smoother.

Hopefully this helped you out. Most likely there is some driver issue or deficiency with the X drivers. I’m using an excellent Thinkpad X201. I’ve also had at least two cases of X freezing while I was manipulating a Firefox window, so perhaps this is related, and hopefully this won’t happen to me anymore.

Happy hacking,

James

 

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13 thoughts on “Fixing jerky scrolling in Firefox

  1. Thank you…thank you!!! for this tip. Searching for….days…for a fix it myself to the jerky scrolling in OE – via Firefox – Self-deliverance seemed my only option when, following some unknown path to your link – found this. Voila!!! It worked! Pamela

  2. Just thought I’d share what I encountered regarding jerky scrolling in Firefox, and fixing it. I may be atypical though, so YMMV. I have three Firefox windows open, with about 70 tabs in total. The first windows is a general purpose windows, and each additional window is dedicated to a project. After a recent upgrade I noticed that scrolling was jerky – I tried the settings above – no joy. Tried a few other things too with no joy. I noticed in Task Manager that Firefox was consuming a lot of CPU. With a bit of trial and error I found that facebook was the cause. I moved this to Chrom and my CPU returned to normal, and so also returned my smooth scrolling.

    Hope that helps someone.

  3. James.. I think it worked. What did this do? Did it free up memory? CPU? It seems to be worse on busy sites just like you said. Anyway, thank you..

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