This bug was fixed in the package xorg-server - 2:1.8.1.901-1ubuntu1

---------------
xorg-server (2:1.8.1.901-1ubuntu1) maverick; urgency=low

  [ Timo Aaltonen ]
  * Merged from Debian experimental, remaining changes:
    - rules, control:
      + Disable SELinux, libaudit-dev is not in main yet (LP 406226).
        Drop libaudit-dev from build-deps.
    - rules: Enable xcsecurity (LP 247537).
    - local/xvfb-run*: Add correct docs about error codes (LP 328205)
    - rules: Add --with-extra-module-dir to support GL alternatives.
    - control: Xvfb depends on xauth, x11-xkb-utils, recommends
      libgl1-mesa-dri. (LP 500102)
    - rules, local/64-xorg-xkb.rules: Don't use keyboard-configuration
      until it's available.
    - debian/patches:
      + 100_rethrow_signals.patch:
        When aborting, re-raise signals for apport
      + 109_fix-swcursor-crash.patch:
        Avoid dereferencing null pointer while reloading cursors during
        resume. (LP 371405)
      + 111_armel-drv-fallbacks.patch:
        Add support for armel driver fallbacks.
      + 121_only_switch_vt_when_active.diff:
        Add a check to prevent the X server from changing the VT when killing
        GDM from the console.
      + 122_xext_fix_card32_overflow_in_xauth.patch:
      + 157_check_null_modes.patch, 162_null_crtc_in_rotation.patch,
        166_nullptr_xinerama_keyrepeat.patch, 167_nullptr_xisbread.patch
        169_mipointer_nullptr_checks.patch,
        172_cwgetbackingpicture_nullptr_check.patch:
        Fix various segfaults in xserver by checking pointers for NULL
        values before dereferencing them.
      + 165_man_xorg_conf_no_device_ident.patch
        Correct man page
      + 168_glibc_trace_to_stderr.patch:
        Report abort traces to stderr instead of terminal
      + 184_virtual_devices_autodetect.patch:
        Use vesa for qemu device, which is not supported by cirrus
      + 187_edid_quirk_hp_nc8430.patch:
        Quirk for another LPL monitor (LP 380009)
      + 188_default_primary_to_first_busid.patch:
        Pick the first device and carry on (LP 459512)
      + 189_xserver_1.5.0_bg_none_root.patch:
        Create a root window with no background.
      + 190_cache-xkbcomp_output_for_fast_start_up.patch:
        Cache keyboard settings.
      + 191-Xorg-add-an-extra-module-path.patch:
        Add support for the alternatives module path.
      + 196_xvfb-fbscreeninit-handling.patch, 197_xvfb-randr.patch:
        Adds xrandr support to xvfb. (LP 516123)
      + 198_nohwaccess.patch:
        Adds a -nohwaccess argument to make X not access the hardware
        ports directly.
      + 200_randr-null.patch:
        Clarify a pointer initialization.
  * Dropped patches:
    - 106_nouveau_autodetect.patch: obsoleted by 15-nouveau.diff
    - 112_xaa-fbcomposite-fix-negative-size.patch: adopted by Debian
    - 113_quell_nouveau_aiglx.patch: obsoleted by 15-nouveau.diff
    - 115_xext_fix_cursor_ref_counting.patch: merged upstream
    - 116_fix_typos_in_swap_functions.patch: merged upstream
    - 118_xkb_fix_garbage_init.patch: merged upstream
    - 123_exa_sys_ptr_nullpointer_check.patch: merged upstream
    - 199_xfvb-help-typo.patch: merged upstream
  * debian/xserver-xorg-core.preinst.in: Drop the removal of the wrong
    alternative, obsolete by now.
  * debian/control: Build the udeb and bump the relaxed build-deps.
  * debian/local/xvfb-run: Don't disable composite, seems to run fine
    with it nowadays.

  [ Robert Hooker ]
  * Fix 190_cache-xkbcomp_output_for_fast_start_up.patch so it works.
  * Drop 164_trap-aspect-ratios.patch: obsolete.
  * debian/rules: Adjust confflag targets so xcsecurity isn't enabled for udeb
    with disabled xace.
  * Drop 184_virtual_devices_autodetect.patch: It's a noop with todays autoconfig.

  [ Bryce Harrington ]
  * debian/rules: Don't reference the package uploader for support; instead point
    users to the standard Ubuntu support page.
    (LP: #589811)

  [ Christopher James Halse Rogers ]
  * Add debian/gbp.conf pointing at ubuntu branch.
  * Drop 109_fix-swcursor-crash.patch; merged upstream in 3a3edb2c.
  * 122_xext_fix_card32_overflow_in_xauth.patch: Update to most recent patch
    on patchwork.  This patch actually works! (tested with
    “xauth generate :0 . trusted timeout 99999999) (LP: #519049)
 -- Bryce Harrington <email address hidden>   Mon, 07 Jun 2010 14:50:49 -0700