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Re: slow workspace switching ATI Radeon 3850 fglrx/non-free RandR

On Wed, Jan 06, 2010 at 11:41:38AM +0100, Joost Kraaijeveld wrote:

I'm encountering the same issue on a single head setup (never used Xinerama). What window manager are you using (ion3 for me)?
I am using gdm, in an as-is
gdm is a display manager (I'm using xdm, BTW). The default gnome window manager should be metacity (you can check that with "ps uxww |grep metacity"). Anyway we are obviously using totally different window managers, but the problem is the same. Sounds like either an X server or driver issue then... As you are running testing (lenny here), can you try wether the delay occurs with the open source drivers (radeon and radeonhd IIRC) as well, please?

BTW: I already tried enabling double buffering, but it made the delay even worse.

||/ Name           Version        Description
ii fglrx-driver 1:8-12-4 non-free AMD/ATI r5xx, r6xx, r7xx display dr ii ion3 20080825-1 tiling tabbed window manager designed for ke
ii  xdm            1:1.1.8-5      X display manager
ii  xorg           1:7.3+20       X.Org X Window System

01:05.0 0300: 1002:9610
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon HD 3200 Graphics (prog-if 00 [VGA controller])
         Subsystem: Giga-byte Technology Device d000
         Flags: bus master, fast devsel, latency 0, IRQ 18
         Memory at d0000000 (32-bit, prefetchable) [size=256M]
         I/O ports at ee00 [size=256]
         Memory at fdfe0000 (32-bit, non-prefetchable) [size=64K]
         Memory at fde00000 (32-bit, non-prefetchable) [size=1M]
         Capabilities: [50] Power Management version 3
Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
         Kernel driver in use: fglrx_pci
         Kernel modules: fglrx

CU Sascha


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