Xorg assert failure: X: ../../dix/pixmap.c:118: AllocatePixmap: Assertion `pScreen->totalPixmapSize > 0' failed.

[Cyrus Harmon]

I saw this bug upon starting up mplayer

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-core 2:1.9.99.901+git20110131.be3be758-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.38-3.30-generic 2.6.38-rc4
Uname: Linux 2.6.38-3-generic x86_64
Architecture: amd64
AssertionMessage: X: ../../dix/pixmap.c:118: AllocatePixmap: Assertion `pScreen->totalPixmapSize > 0' failed.
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.DP.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.HDMI.A.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1920x1080 1280x1024 1280x1024 1024x768 1024x768 1024x768 800x600 800x600 800x600 800x600 720x480 640x480 640x480 640x480
 edid-base64: AP///////wBSYggCAQEBAf8TAQOAaTt4Cg3JoFdHmCcSSEwvzwCBgAEBAQEBAQEBAQEBAQEBAjqAGHE4LUBYLEUAxI4hAAAejArQiiDgLRAQPpYAxI4hAAAYAAAA/ABUU0ItVFYKICAgICAgAAAA/QAXTA9RDwAKICAgICAgAQICAyNxSpAFBAMHAgYBICIjCQcHbAMMADAAOC3AKyszM+IAfwEdgBhxHBYgWCwlAMSOIQAAngEdAHJR0B4gbihVAMSOIQAAHowK0Iog4C0QED6WABOOIQAAGIwKoBRR8BYAJnxDABOOIQAAmIwKoBRR8BYAJnxDAMSOIQAAmAAADg==
DRM.card0.HDMI.A.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Tue Feb 15 22:20:03 2011
DistUpgraded: Yes, recently upgraded Log time: 2011-01-14 00:08:59.075400
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
GraphicsCard: Subsystem: Intel Corporation Core Processor Integrated Graphics Controller [8086:0042]
InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdline: /usr/bin/X :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-Ovi9bW/database -nolisten tcp vt7
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-3-generic root=UUID=b2f12db9-a1d5-48cf-9914-6100fe137b12 ro quiet splash vt.handoff=7
ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.38-3-generic root=UUID=b2f12db9-a1d5-48cf-9914-6100fe137b12 ro quiet splash vt.handoff=7
Renderer: Hardware acceleration
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 raise () from /lib/libc.so.6
 abort () from /lib/libc.so.6
 __assert_fail () from /lib/libc.so.6
 AllocatePixmap ()
 fbCreatePixmapBpp () from /usr/lib/xorg/modules/libfb.so
Title: Xorg assert failure: X: ../../dix/pixmap.c:118: AllocatePixmap: Assertion `pScreen->totalPixmapSize > 0' failed.
UserGroups:

dmi.bios.date: 03/02/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080015
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: To be filled by O.E.M.
dmi.board.vendor: To be filled by O.E.M.
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080015:bd03/02/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnTobefilledbyO.E.M.:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu4
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2+git20110124.fadee040-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu8
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4