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


while 2.1.2-1 apparently fixes bug 389404 + 389794, 2d graphic operations
are quite slow with it compared to 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 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"

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)


-- 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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