http://forums.fedoraforum.org/showthread.php?t=253668 Quoting the relevant bit: Update - apparently this issue is related to the GTK theme in use. The default (Fedora, or Clearlooks, or a few others) results in this slow behaviour. Other themes, like Nodoka and a few others perform fine. On 11/03/2010 01:42 PM, Brian Ericson wrote: > Just upgraded to f14. > > The upgrade itself was smooth (thanks!), but Gnome's (UI) performance > has completely and utterly tanked. If I open a terminal and a second > tab in the terminal, switching between tabs takes upwards of 4 seconds. > Same thing with FireFox tabs (Chrome/Chrome tabs are fine, though). The > blue highlighting of Gnome menus is incapable of following even a > slow-moving mouse, alt-tab takes forever, and repainting minimized > windows is awful. > > Basically, I got better GUI performance out of f13 with all my CPUs and > drives pegged than I'm getting now on an idle system. > > Interestingly, KDE isn't impacted at all by any of this and even Gnome > apps (like terminal) are snappy. I even went so far as to create a new > user to see if some f13 Gnome configuration is the culprit, but the new > user has exactly the same issues. > > Has anyone else encountered this? Anyone know what to do to fix it? -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines