[gm45] GPU lockup (EIR: 0x00000010 PGTBL_ER: 0x00000001)

[Chris Johnston]

Happened after logging in.

From GPU dump:
ACTHD: 0xffffffff
EIR: 0x00000010
EMR: 0xffffff15
ESR: 0x00000010
PGTBL_ER: 0x00000001
IPEHR: 0x01000000
IPEIR: 0x00000000
INSTDONE: 0xfffffffe
INSTDONE1: 0xffffffff

From dmesg:
[ 15.588851] render error detected, EIR: 0x00000010
[ 15.588856] IPEIR: 0x00000000
[ 15.588858] IPEHR: 0x00000000
[ 15.588860] INSTDONE: 0xfffffffe
[ 15.588861] INSTPS: 0x00000000
[ 15.588863] INSTDONE1: 0xffffffff
[ 15.588864] ACTHD: 0x00000000
[ 15.588866] page table error
[ 15.588868] PGTBL_ER: 0x00000001
[ 15.588870] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking
[ 15.621451] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input7

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
Uname: Linux 2.6.38-1-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Chipset: gm45
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: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1366x768
 edid-base64: AP///////wAlzAoAAAAAAAATAQOQIhN4CsiFnldUmyYSUFQAAAABAQEBAQEBAQEBAQEBAQEBNhpWRFAADTARDDIAWMIQAAAaNhpWRFAADTARDDIAWMIQAAAaAAAA/gAxRzVEM4ExNTZHVzAxAAAAAAAAAAAAAAAAAAEBCiAgAPI=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sat Feb 5 13:57:41 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 2.6.38-1-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 2.6.37-12-generic, x86_64: installed
DumpSignature: 147abd8b (EIR: 0x00000010)
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
GraphicsCard:
 Subsystem: Dell Device [1028:02be]
   Subsystem: Dell Device [1028:02be]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110127)
InterpreterPath: /usr/bin/python2.7
MachineType: Dell Inc. Studio 1555
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-1-generic root=UUID=8b913e52-cc73-4a22-8d91-06accb32fe0f ro quiet splash vt.handoff=7
ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.38-1-generic root=UUID=8b913e52-cc73-4a22-8d91-06accb32fe0f ro quiet splash vt.handoff=7
RelatedPackageVersions:
 xserver-xorg 1:7.6~3ubuntu3
 libdrm2 2.4.23-1ubuntu3
 xserver-xorg-video-intel 2:2.14.0-1ubuntu6
SourcePackage: xserver-xorg-video-intel
Title: [gm45] GPU lockup 147abd8b (EIR: 0x00000010)
UserGroups:

dmi.bios.date: 11/07/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0D176M
dmi.board.vendor: Dell Inc.
dmi.board.version: A08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A08
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd11/07/2009:svnDellInc.:pnStudio1555:pvrA08:rvnDellInc.:rn0D176M:rvrA08:cvnDellInc.:ct8:cvrA08:
dmi.product.name: Studio 1555
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu9
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu3
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 2:2.14.0-1ubuntu6
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4