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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/850649/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp