Bug#551175: Resizing opaque windows is slow
Matthew King
Version: 1.1.4-0.1
Severity: important
When xcompmgr is started (no options, no rc file) windows which are
drawn as they are resized (rather than just the outline) redraw very
slowly, lagging up to 1/2 seconds behind the mouse. The windows do not
have to be made transparent, have shadows or any of the other possible
effects.
No device/monitor/screen options are set in xorg.conf except the
resolution and colour depth. Nothing to do with compositing is mentioned
therein either.
Window manager is a minimally configured fvwm.
I have noticed this problem with both text-based applications (emacs,
rxvt, xterm) and those more graphically oriented (iceweasel, mplayer).
Card details from lspci:
01:00.1 Display controller: ATI Technologies Inc RV280 [Radeon 9200 PRO] (Secondary) (rev 01)
Subsystem: PC Partner Limited Device 0131
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (2000ns min), Cache Line Size: 64 bytes
Region 0: Memory at c8000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at ff0e0000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
-- System Information:
Debian Release: 5.0.3
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.26-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages xcompmgr depends on:
ii libc6 2.7-18 GNU C Library: Shared libraries
ii libx11-6 2:1.1.5-2 X11 client-side library
ii libxcomposite1 1:0.4.0-3 X11 Composite extension library
ii libxdamage1 1:1.1.1-4 X11 damaged region extension libra
ii libxfixes3 1:4.0.3-2 X11 miscellaneous 'fixes' extensio
ii libxrender1 1:0.9.4-2 X Rendering Extension client libra
xcompmgr recommends no packages.
xcompmgr suggests no packages.
-- no debconf information
Matthew
--
I must take issue with the term "a mere child", for it has been my
invariable experience that the company of a mere child is infinitely
preferable to that of a mere adult.
-- Fran Lebowitz
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