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[slmnhq <683791@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

Display goes blank when maximizing an application window. 
Not always repeatable but happens often enough.
Usually the system is running the following applications: Mozilla Thunderbird, Google Chrome and Terminal.
Only way to recover is by a hard reboot.
The system does NOT have compiz installed (I manually removed and purged the packages immediately after installing Meerkat).
The system was cold started with Meerkat recently (i.e. not upgraded from a previous release).

The following traceback is seen in /var/log/messages:

Dec  1 12:44:50 salmanh-desktop kernel: [71663.316019] radeon 0000:08:00.0: GPU lockup CP stall for more than 1020msec
Dec  1 12:44:50 salmanh-desktop kernel: [71663.316024] ------------[ cut here ]------------
Dec  1 12:44:50 salmanh-desktop kernel: [71663.316053] WARNING: at /build/buildd/linux-2.6.35/drivers/gpu/drm/radeon/radeon_fence.c:235 radeon_fence_wait+0x23e/0x290 [radeon]()
kernel: [71663.316057] Hardware name:         
kernel: [71663.316059] GPU lockup (waiting for 0x00064776 last fence id 0x00064774)
kernel: [71663.316062] Modules linked in: btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs exportfs reiserfs vmnet vmblock vsock vmci vmmon binfmt_misc snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event radeon snd_seq snd_timer snd_seq_device ttm drm_kms_helper snd drm soundcore agpgart i82975x_edac i2c_algo_bit snd_page_alloc led_class edac_core psmouse ppdev parport_pc lp serio_raw parport pata_marvell ahci libahci firewire_ohci firewire_core e1000e crc_itu_t
kernel: [71663.316124] Pid: 1073, comm: Xorg Not tainted 2.6.35-23-generic #40-Ubuntu
kernel: [71663.316127] Call Trace:
kernel: [71663.316137]  [<c014acf2>] warn_slowpath_common+0x72/0xa0
kernel: [71663.316159]  [<f85372fe>Dec  1 12:45:53 salmanh-desktop kernel: imklog 4.2.0, log source = /proc/kmsg started.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xorg 1:7.5+6ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-23.41-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic i686
Architecture: i386
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes: 
 edid-base64:
Date: Wed Dec  1 13:32:30 2010
GdmLog1:
 
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
Lsusb:
 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-23-generic root=UUID=a18eb85c-78bf-47cb-8c58-4e56e845c029 ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
XorgLogOld:
 
dmi.bios.date: 11/27/2006
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BX97520J.86A.2333.2006.1127.1450
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: D975XBX2
dmi.board.vendor: Intel Corporation
dmi.board.version: AAD53350-505
dmi.chassis.type: 2
dmi.modalias: dmi:bvnIntelCorp.:bvrBX97520J.86A.2333.2006.1127.1450:bd11/27/2006:svn:pn:pvr:rvnIntelCorporation:rnD975XBX2:rvrAAD53350-505:cvn:ct2:cvr:
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           maverick
 architecture:       i686
 kernel:             2.6.35-23-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug freeze i386 maverick

-- 
GPU Lockup when maximizing an application window.
https://bugs.launchpad.net/bugs/683791
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