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[Rafał Krzewski <850649@xxxxxxxxxxxxxxxxxx>]

I'm also experiencing slow output. Scrolling any terminal surface causes instant 100% utilization of one processor core.
I haven't noticed any display corruption though.

some system info:

rafal@arnica:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 11.10
Release:	11.10
Codename:	oneiric
rafal@arnica:~$ uname -a
Linux arnica 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:28:43 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
rafal@arnica:~$ cat /proc/driver/nvidia/version
NVRM version: NVIDIA UNIX x86_64 Kernel Module  280.13  Wed Jul 27 16:53:56 PDT 2011
GCC version:  gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) 
rafal@arnica:~$ cat /proc/driver/nvidia/gpus/0/information 
Model: 		 Quadro NVS 140M

It's bothering me so much I'm considering using gprof to investigate it.
As far as I understand it, I'd have to compile each piece of relevant
software from source with special options to get meaningful output,
starting from gnome-terminal and then digging into libraries. Is this
correct?

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-terminal in Ubuntu.
https://bugs.launchpad.net/bugs/850649

Title:
  gnome-terminal extremely slow and display buggy

Status in “gnome-terminal” package in Ubuntu:
  Confirmed

Bug description:
  After the update to oneiric the gnome-terminal appears to be slow and
  display is sometimes buggy:

  * changing between windows and tabs is slow although other applications (like chromium) are not affected
  * sometimes the display is not updated and some parts (exactly on character box boundaries) of the terminal just show the background

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: gnome-terminal 3.0.1-0ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  Date: Thu Sep 15 08:28:30 2011
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/gnome-terminal
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  SourcePackage: gnome-terminal
  UpgradeStatus: Upgraded to oneiric on 2011-09-01 (13 days ago)

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