Public bug reported:
While watching a video in full screen, video freezes followed by audio
stopping, then display says "no signal."
The first time this happens the video will begin again about 10 seconds
later. However, when it happens again the display cannot be reactivated
without a reboot.
dmesg logs the above error message and the subsequent measures to
softreset the GPU. Error occurs at 615 seconds.
Graphics card is Radeon HD 7870.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8.1
ProcVersionSignature: Ubuntu 3.16.0-77.99~14.04.1-generic 3.16.7-ckt27
Uname: Linux 3.16.0-77-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sat Jul 30 13:29:21 2016
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn XT [Radeon HD 7870 GHz
Edition] [1002:6818] (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device [1458:2554]
InstallationDate: Installed on 2016-07-26 (3 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: MSI MS-7751
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-77-generic.efi.signed
root=UUID=ff5b97bc-87e5-42fc-a7bc-63c9b50d1af1 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/09/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V10.11
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77A-GD65 (MS-7751)
dmi.board.vendor: MSI
dmi.board.version: 2.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 2.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV10.11:bd10/09/2013:svnMSI:pnMS-7751:pvr2.0:rvnMSI:rnZ77A-GD65(MS-7751):rvr2.0:cvnMSI:ct3:cvr2.0:
dmi.product.name: MS-7751
dmi.product.version: 2.0
dmi.sys.vendor: MSI
version.compiz: compiz 1:0.9.11.3+14.04.20160425-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1~ubuntu14.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri N/A
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Sat Jul 30 13:13:52 2016
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input Valve Software Steam Controller KEYBOARD, id 8
input Logitech Unifying Device. Wireless PID:404d KEYBOARD, id 9
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.16.0-1ubuntu1.2~trusty2
xserver.video_driver: radeon
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 trusty ubuntu
** Attachment added: "dmesg log"
https://bugs.launchpad.net/bugs/1608112/+attachment/4710507/+files/radeon_bug_dmesg.txt
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1608112
Title:
radeon 0000:01:00.0: ring 0 stalled for more than 10016msec
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