Bug#390626: glxgears flickers a lot, slow 2d graphic operations

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Bug#390626: glxgears flickers a lot, slow 2d graphic operations

Martin Steigerwald
Package: xserver-xorg-video-savage
Version: 1:2.1.2-1
Severity: important

Hello,

while 2.1.2-1 apparently fixes bug 389404 + 389794, 2d graphic operations
are quite slow with it compared to 2.0.2.3-4 of the driver.

glxgears shows the gears again but it is flickering a lot... After
quitting it it shows the following message:

martin@deepdance:/usr/share/doc/xserver-xorg-video-savage -> glxgears
libGL error: drmMap of framebuffer failed (Invalid argument)
libGL error: reverting to (slow) indirect rendering
X connection to :0.0 broken (explicit kill or server shutdown).

I tried 6.5.0.cvs.20060524-1.1 of libgl1-mesa-dri, libgl1-mesa-glx,
libglu1-mesa and then I updated 6.5.1.

Scrolling in Konqueror, KMail, Firefox and other apps is quite slow.
Scrolling in Konsole is still fast. Scrolling was really fast with
version 2.0.2.3-4 of the driver

My xorg.conf Driver section:

Section "Device"
        Identifier      "Savage"
        Driver          "savage"
        BusID           "PCI:1:0:0"
        Option          "Accel" "True"
        # Acceleration
        Option          "AccelMethod" "exa"
        # Hardware-Cursor
        Option          "HWCursor" "True"
        # AGP: Should be able to do 4x
        Option          "AGPMode" "4"
        # Powermanagement: Don't know whether this works with the savage
        Option          "DynamicClocks" "True"
        # For AROS http://www.aros.org
        Option          "BackingStore" "True"
EndSection

I also tried without AccelMethod exa, without DynamicClocks and without
BackingStore - no change.

This is on an IBM ThinkPad T23 with

01:00.0 VGA compatible controller: S3 Inc. SuperSavage IX/C SDR (rev 05)

Regards,
Martin

-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-ck1-tp23-sws-2.2.8
Locale: LANG=de_DE@euro, LC_CTYPE=de_DE@euro (charmap=ISO-8859-15)

Versions of packages xserver-xorg-video-savage depends on:
ii  libc6                        2.3.6.ds1-4 GNU C Library: Shared libraries
ii  xserver-xorg-core            2:1.1.1-9   X.Org X server -- core server

xserver-xorg-video-savage recommends no packages.

-- no debconf information


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