[precise] Xorg segfault when attempting to play video via Xv in amdxmm X740XvPutImage

[Roman Yepishev]

100% reproducible using:
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Madison [Radeon HD 5000M Series]

fglrx: 2:8.911-0ubuntu2
STR:

1. Start playing video using totem or mplayer

Expected results:
Video plays

Actual results:
Xorg crashes and lightdm prompt appears

Stacktrace from Xorg.0.log.old:
Backtrace:
[ 4534.159] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7fa09fa1a2f6]
[ 4534.159] 1: /usr/bin/X (0x7fa09f892000+0x18c19a) [0x7fa09fa1e19a]
[ 4534.159] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fa09ebb8000+0xfcb0) [0x7fa09ebc7cb0]
[ 4534.159] 3: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/amdxmm.so (X740XvPutImage+0x146) [0x7fa09788b8f6]
[ 4534.159] 4: /usr/bin/X (0x7fa09f892000+0xa6bfe) [0x7fa09f938bfe]
[ 4534.159] 5: /usr/lib/xorg/modules/extensions/libextmod.so (0x7fa09c935000+0xecb2) [0x7fa09c943cb2]
[ 4534.159] 6: /usr/bin/X (0x7fa09f892000+0x4e721) [0x7fa09f8e0721]
[ 4534.159] 7: /usr/bin/X (0x7fa09f892000+0x3d64a) [0x7fa09f8cf64a]
[ 4534.159] 8: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7fa09da4f76d]
[ 4534.159] 9: /usr/bin/X (0x7fa09f892000+0x3d93d) [0x7fa09f8cf93d]
[ 4534.159] Segmentation fault at address 0xa4
[ 4534.159]
Caught signal 11 (Segmentation fault). Server aborting

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: fglrx 2:8.911-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: wl fglrx
ApportVersion: 1.93-0ubuntu2
Architecture: amd64
Date: Mon Feb 27 14:26:39 2012
DistUpgraded: Log time: 2012-02-25 00:29:43.677455
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.0.0-16-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 3.2.0-17-generic, x86_64: installed
 fglrx, 8.911, 3.0.0-16-generic, x86_64: installed
 fglrx, 8.911, 3.2.0-17-generic, x86_64: installed
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI Madison [Radeon HD 5000M Series] [1002:68c1] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:051a]
InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
JockeyStatus:
 xorg:fglrx_updates - ATI/AMD proprietary FGLRX graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
 kmod:wl - Broadcom STA wireless driver (Proprietary, Enabled, In use) [auto-install]
 xorg:fglrx - ATI/AMD proprietary FGLRX graphics driver (Proprietary, Enabled, In use)
MachineType: eMachines eME732G
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=983269ce-399e-48f4-ac30-a16dd0d97689 ro quiet splash vt.handoff=7
SourcePackage: fglrx-installer
UpgradeStatus: Upgraded to precise on 2012-02-25 (2 days ago)
dmi.bios.date: 03/17/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.09
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: HM55_CP
dmi.board.vendor: eMachines
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnINSYDE:bvrV1.09:bd03/17/2011:svneMachines:pneME732G:pvrV1.09:rvneMachines:rnHM55_CP:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: eME732G
dmi.product.version: V1.09
dmi.sys.vendor: eMachines
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs 20090808ubuntu33
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Roman Yepishev (rye)]

Googling for the reports in other distributions (debian, gentoo) has led me to http://www.phoronix.com/scan.php?page=news_item&px=OTQ3NA