gnome terminal GUI (when using ssh) is very slow

Bug #372694 reported by Ittay Dror on 2009-05-06
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Gnome Virtual Terminal Emulator
vte (Ubuntu)
Ubuntu Desktop Bugs

Bug Description

after upgrading to jaunty, gnome terminal started being very slow when scrolling contents of tabs. this seems to manifest itself in tabs where there's an ssh to another machine (though i can't figure why). scrolling takes 100% of a core (i have thinkpad t61 with dual core).

also, hitting on the scroll area, above or below the bar, should normall scroll a page. now it scrolls several (which means that if i want to scroll a page i need to click the small arrows at the end of the scroll area multiple times)

finally, in many cases, clicking on a tab (with the attempt to switch to that tab) detaches the tab into a standalone window. very annoying.

Derek Kaye (kayedj) on 2009-05-14
affects: ubuntu → gnome-terminal (Ubuntu)
Pedro Villavicencio (pedro) wrote :

do you get the same using terminator? could be a vte issue.

Changed in gnome-terminal (Ubuntu):
assignee: nobody → Ubuntu Desktop Bugs (desktop-bugs)
importance: Undecided → Low
status: New → Incomplete
Ittay Dror (ittay-dror) wrote :

same behavior with terminator

Pedro Villavicencio (pedro) wrote :

Let's reassign it to vte for now then, thanks Ittay.

affects: gnome-terminal (Ubuntu) → vte (Ubuntu)
Changed in vte (Ubuntu):
status: Incomplete → New
Pedro Villavicencio (pedro) wrote :

Could you open a bug upstream at since you're facing the issue? vte works fine here for me.

Ittay Dror (ittay-dror) wrote :

But I'm not sure this is a vte issue.

I'm seeing slowness in Emacs also.

Maybe something to do with font/text handling in Gnome?

Pedro Villavicencio (pedro) wrote :

May you please send this upstream at for forwarding instructions please read, so it can be read by the upstream developers, the behavior you're describing works fine here for me. thanks in advance.

Rolf Leggewie (r0lf) wrote :

Ittay, if you are using an ATI chip, this may be a dupe of bug 363238

Changed in vte:
status: Unknown → New
Changed in vte (Ubuntu):
status: New → Triaged
Changed in vte:
importance: Unknown → Medium
Changed in vte:
status: New → Confirmed
Changed in vte:
status: Confirmed → Expired
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