xserver nedds more and more ram after a while

# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg

Section "Files"
        FontPath "/usr/share/X11/fonts/misc"
        FontPath "/usr/share/X11/fonts/cyrillic"
        FontPath "/usr/share/X11/fonts/100dpi/:unscaled"
        FontPath "/usr/share/X11/fonts/75dpi/:unscaled"
        FontPath "/usr/share/X11/fonts/Type1"
        FontPath "/usr/share/X11/fonts/CID"
        FontPath "/usr/share/X11/fonts/100dpi"
        FontPath "/usr/share/X11/fonts/75dpi"
        # paths to defoma fonts
        FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
        FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID"
EndSection

Section "Module"
        Load "GLcore"
        Load "i2c"
        Load "bitmap"
        Load "ddc"
        Load "dri"
        Load "extmod"
        Load "freetype"
        Load "glx"
        Load "int10"
        Load "type1"
        Load "vbe"
EndSection

Section "InputDevice"
        Identifier "Generic Keyboard"
        Driver "kbd"
        Option "CoreKeyboard"
        Option "XkbRules" "xorg"
        Option "XkbModel" "pc105"
        Option "XkbLayout" "de"
        Option "XkbVariant" "nodeadkeys"
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 "InputDevice"
        Identifier "Synaptics Touchpad"
        Driver "synaptics"
        Option "SendCoreEvents" "true"
        Option "Device" "/dev/psaux"
        Option "Protocol" "auto-dev"
        Option "HorizScrollDelta" "0"
EndSection

Section "Device"
        Identifier "Standardgrafikkarte"
        Driver "i810"
        BusID "PCI:0:2:0"
EndSection

Section "Monitor"
        Identifier "Standardbildschirm"
        Option "DPMS"
# Modeline "1280x800@60" 83.91 1280 1312 1624 1656 800 816 824 841
EndSection

Section "Screen"
        Identifier "Default Screen"
        Device "Standardgrafikkarte"
        Monitor "Standardbil...

ii obexserver 1.0-3ubuntu1 Receive files with OBEX protocol
rc xserver-common 6.8.2-77 files and utilities common to all X servers
ii xserver-xgl 7.0.0-0ubuntu4 GL-based X server
ii xserver-xorg 7.0.0-0ubuntu28 the X.Org X server
ii xserver-xorg-core 1.0.2-0ubuntu5 X.Org X server -- core server
ii xserver-xorg-driver-apm 1.0.1.5-0ubuntu1 X.Org X server -- APM display driver
ii xserver-xorg-driver-ark 0.5.0.5-0ubuntu1 X.Org X server -- ark display driver
ii xserver-xorg-driver-ati 6.5.7.3-0ubuntu4 X.Org X server -- ATI display driver
ii xserver-xorg-driver-chips 1.0.1.3-0ubuntu1 X.Org X server -- Chips display driver
ii xserver-xorg-driver-cirrus 1.0.0.5-0ubuntu1 X.Org X server -- Cirrus display driver
ii xserver-xorg-driver-cyrix 1.0.0.5-0ubuntu1 X.Org X server -- Cyrix display driver
ii xserver-xorg-driver-dummy 0.1.0.5-0ubuntu1 X.Org X server -- dummy display driver
ii xserver-xorg-driver-fbdev 0.1.0.5-0ubuntu1 X.Org X server -- fbdev display driver
ii xserver-xorg-driver-glide 6.8.2-77 X.Org X server -- Glide driver
ii xserver-xorg-driver-glint 1.0.1.3-0ubuntu1 X.Org X server -- Glint display driver
ii xserver-xorg-driver-i128 1.1.0.5-0ubuntu1 X.Org X server -- i128 display driver
ii xserver-xorg-driver-i740 1.0.0.5-0ubuntu1 X.Org X server -- i740 display driver
ii xserver-xorg-driver-i810 1.4.1.3-0ubuntu2 X.Org X server -- Intel i8xx, i9xx display drive
ii xserver-xorg-driver-imstt 1.0.0.5-0ubuntu1 X.Org X server -- IMSTT display driver
ii xserver-xorg-driver-mga 1.2.1.3-0ubuntu1 X.Org X server -- MGA display driver
ii xserver-xorg-driver-neomagic 1.0.0.5-0ubuntu1 X.Org X server -- Neomagic display driver
ii xserver-xorg-driver-newport 0.1.4.1-0ubuntu1 X.Org X server -- Newport display driver
ii xserver-xorg-driver-nsc 2.7.6.5-0ubuntu1 X.Org X server -- NSC display driver
ii xserver-xorg-driver-nv 1.0.1.5-0ubuntu3 X.Org X server -- NV display driver
ii xserver-xorg-driver-rendition 4.0.1.3-0ubuntu1 X.Org X server -- Rendition display driver
ii xserver-xorg-driver-s3 0.3.5.4-0ubuntu2 X.Org X server -- legacy S3 display driver
ii xserver-xorg-driver-s3virge 1.8.6.5-0ubuntu1 X.Org X server -- S3 ...

#
# 915resolution default
#
# find free modes by /usr/sbin/915resolution -l
# and set it to MODE
#
MODE=58
#
# and set resolutions for the mode.
#
XRESO=1400
YRESO=1050
#
# We can also set the pixel mode.
# Please note that this is optional,
# you can also leave this value blank.
BIT=

Could you please recheck it with Gutsy Final Live CD? In Gutsy i810 driver is deprecated and intel driver is used instead.

No reply, closing the bug.