On Thu, Jun 03, 2010 at 07:49:59PM -0400, Stefan Monnier wrote: > Package: iceweasel > Version: 3.5.9-3 > Severity: normal > > For a couple months now maybe, I've noticed that Iceweasel is very sluggish. > The slowness seems to be local (i.e. unrelated to the speed of connection) and > manifests itself for example when moving the mouse horizontally across the > menubar, where the redraw of the menus has trouble keeping up with the mouse > movement, or when switching from one tab to another, where there's a clear > delay and I get to see the tab being redrawn about 0.5s-1s before the actual > windo's content. > > This is on a 2.4GHz Althon X2 with 4GB of RAM, so it's not due to swapping, > nor > to the machine being particularly slow. > The X server is using `nv', so it's not super fast, but it's been quite > sufficient until now and doesn't seem to justify this sluggishness. > > It's even worse if I try to display from the same machine on some other > machine's Xserver (a Thinkpad X201s laptop on the same 54Mb/s wifi network): > such remote connection is completely unusable for iceweasel, whereas I've used > such remote display in the past (maybe a year ago) where the slowdown was very > acceptable. > > I have tried "iceweasel -no-remote -P" and run with a brand new profile, and > have also tried with "iceweasel -safe-mode", but they still suffer from the > sluggish display. > > The odd thing about it is that I use very similar Debian installs on many > machines and don't notice this slowdown on all machines. Also I've noticed it > at times on one machine, and then a week later it seemed to have disappeared. > So I feel like maybe it has something to do with the underlying libraries > (poor > performance when some libraries and iceweasel are not upgraded at the same > time, maybe?). > > I have not reported it until now specifically because it seemed somewhat > transient, and because I cannot really point to something very specific about > the sluggishness. But since the problem seems to still be around, and since I > recently noticed that the remote display is *really* slow, I felt it was time > (and important) to report it.
Did you try disabling plugins, too? Did you give a try to the version in experimental? Mike -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org