On 11/28/12 15:17, Mikko Lehtinen wrote:
I had big problems with Iceweasel 17.0 I installed from the
Backports. I'm on Debian Squeeze XFCE.
After installing, the Iceweasel felt very slow and slightly buggy.
It often slowed down all my other programs, like the terminal
I received accurate help on this thread:
Quoting Therem Harth:
"For Firefox, you could try creating an integer called
in about:config, and setting it to 0. IIRC most of Firefox's
problems on Linux are due to repeated fsync() calls, which on
Linux mean "Sync everything to the disk RIGHT NOW!"
The upshot of setting toolkit.storage.synchronous to 0 is that
Firefox should be less of a wallowing pig, but if it crashes you might
lose some history entries, or bookmarks added during the session
The fix worked perfectly. Iceweasel or Firefox has never felt this
snappy for me on Linux. Administrating WordPress sites was about
three times as fast as before the fix.
Therem Harth again:
"IIRC this problem ironically exists because Linux exhibits mostly
correct behavior when fsync() is called. I don't know about
Windows, but I've read that on OSX, fsync() is does not guarantee
that the data is actually written to the disk. I'm not certain,
but I wouldn't be surprised if something similar applied to
Could this be fixed somehow? Is it already fixed on Wheezy? For
the backports version, it might be enough to just let the user
aware of the problem and the solution.
I remember, that fsync problem was solved with FF4 --