phenomenally slow performance dragging windows around (was: xrandr: adding a second display to screen 0 [radeon])

[martin f krafft]

also sprach Alex Deucher <alexdeucher at gmail.com> [2008.02.18.2118 +0100]:
> >   http://scratch.madduck.net/__media__mmcblk0p1__DCIM__101_PANA__P1010235.MOV
> >
> > I wonder if I should be making a new case for that...
> 
> I've never seen anything quite like that before.  Does a restart
> of X or the computer help?  Can you attach your log and config?

No, the behaviour is the same after a complete restart. Please find
configuration and log attached.

With IceWM, window dragging performance is also sluggish. With
FVWM2, I cannot notice any problems. I've been using fluxbox for
*years* and have never seen something like this. I have seen
temporary sluggishness when the system was loaded and I moved
a window across old-style xinerama screens, but never within
a single screen. Note that it makes no difference whether I drag the
window around on a single screen, or across xrandr-style xinerama
heads.

The ATI driver is xf86-video-ati-6.7.197-276-g66b0b3f, built from
source.

Here are some other data. Thanks for your time and interest!!!

ii  fluxbox        1.0.0+deb1-5   Highly configurable and low resource X11 Win
ii  libc6          2.7-8          GNU C Library: Shared libraries
ii  libfontconfig1 2.5.0-2        generic font configuration library - runtime
ii  libgcc1        1:4.3-20080202 GCC support library
ii  libice6        2:1.0.4-1      X11 Inter-Client Exchange library
ii  libimlib2      1.4.0-1        powerful image loading and rendering library
ii  libsm6         2:1.0.3-1+b1   X11 Session Management library
ii  libstdc++6     4.3-20080202-1 The GNU Standard C++ Library v3
ii  libx11-6       2:1.0.3-7      X11 client-side library
ii  libxext6       1:1.0.3-2      X11 miscellaneous extension library
ii  libxft2        2.1.12-2       FreeType-based font drawing library for X
ii  libxinerama1   1:1.0.2-1      X11 Xinerama extension library
ii  libxpm4        1:3.5.7-1      X11 pixmap library
ii  libxrandr2     2:1.2.2-1      X11 RandR extension library
ii  libxrender1    1:0.9.4-1      X Rendering Extension client library
ii  x11-common     1:7.3+10       X Window System (X.Org) infrastructure
ii  x11-xkb-utils  7.3+1          X11 XKB utilities
ii  xkb-data       1.1~cvs.200801 X Keyboard Extension (XKB) configuration dat
un  xkb-data-legac <none>         (no description available)
ii  xserver-xorg-c 2:1.4.1~git200 Xorg X server - core server
ii  xserver-xorg-i 1:7.3+10       the X.Org X server -- input driver metapacka
ii  xserver-xorg-v 1:7.3+10       the X.Org X server -- output driver metapack

-- 
martin | http://madduck.net/ | http://two.sentenc.es/
 
"a fundamentalist is someone who hates sin more than he loves virtue."
                                                     -- john h. schaar
 
spamtraps: madduck.bogus at madduck.net
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# /etc/X11/xorg.conf (xorg X Window System server configuration file)

Section "ServerFlags"
  Option            "DontZap" "yes"
  Option            "AllowDeactivateGrabs" "yes"
  Option            "AllowClosedownGrabs" "yes"
EndSection

Section "Files"
  ModulePath        "/usr/local/lib/xorg/modules,/usr/lib/xorg/modules"
EndSection

Section "InputDevice"
	Identifier        "Generic Keyboard"
	Driver        		"kbd"
	Option	        	"CoreKeyboard"
	Option	        	"XkbRules"	"xorg"
	Option	        	"XkbModel"	"pc104"
	Option		        "XkbLayout"	"us"
	Option		        "XkbOptions"	"ctrl:nocaps"
EndSection

Section "InputDevice"
	Identifier        "Configured Mouse"
	Driver	        	"mouse"
	Option		        "CorePointer"
	Option        		"Device"		"/dev/input/mice"
	Option	        	"Protocol"		"ImPS/2"
	Option		        "Emulate3Buttons"	"true"
	Option		        "ZAxisMapping"		"4 5"
EndSection

Section "Monitor"
    Identifier      "Acer AL922[1]"
    DisplaySize     1280 1024
EndSection

Section "Monitor"
	  Identifier      "MRM B18XA"
	  HorizSync       24-80
	  VertRefresh     30-60
    DisplaySize     1280 1024
    # 1280x1024 @ 60.00 Hz (GTF) hsync: 63.60 kHz; pclk: 108.88 MHz
    Modeline        "1280x1024_60.00"  108.88  1280 1360 1496 1712  1024 1025 1028 1060  -HSync +Vsync
    # 1280x1024 @ 75.00 Hz (GTF) hsync: 80.17 kHz; pclk: 138.54 MHz
    Modeline        "1280x1024_75.00"  138.54  1280 1368 1504 1728  1024 1025 1028 1069  -HSync +Vsync
    Option          "PreferredMode" "1280x1024_75.00"
    Option          "Enable" "true"
    Option          "RightOf" "Acer AL922[1]"
EndSection

Section "Device"
	  Identifier      "Radeon 9200"
    Driver          "ati"
    BusID           "PCI:1:0:0"
    Option          "AccelMethod"   "EXA"
    Option          "Monitor-DVI-0" "Acer AL922[1]"
    Option          "Monitor-VGA-0" "MRM B18XA"
EndSection

Section "Screen"
    Identifier      "Default Screen"
    Device          "Radeon 9200"
    DefaultDepth    24
    SubSection "Display"
        Depth       24
        Virtual     2560 1024
    EndSubSection
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Default Screen"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
#        Option          "Xinerama" "on"
EndSection

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