Randomly while browsing Firefox will stop responding for a few seconds and recover. This can happen a few times in a row while my hard drive works so furiously that other applications also slow down. I haven’t found a reliable way to reproduce the problem, but today I did get around to finding the bug report.
should be arriving soon that will fix this problem. In the
meantime, if you’re affected you can try a workaround. [update] The update
has arrived this morning.
In Firefox, click
Edit->Preferences. In the
Security section, uncheck the
two boxes for attack site and forgery warnings. Close Firefox. Open your file
[profile] will be a short
random string of characters. Delete any files with names starting with
Be advised that this workaround will disable Firefox’s warnings for phishing and malicious websites. Re-enable the warnings when the update to the package xulrunner-1.9 arrives, which should fix the issue.
The problem is caused by Firefox’s urlclassifier database, which can get very large. Because the cache for this database is too small, there’s a lot of disk and CPU usage at certain times when accessing it.
I’ve done the workaround, but it’s hard to say whether it’s working because the problem comes and goes randomly.
[update] The update hasn’t fixed the problem for me. However, I’ve had only one brief random freeze, so maybe the issue has been minimized.