Public bug reported:
I haven't had this problem since around version 12.04 or before (can't recall
which one precisely) where, during installation, I have to use nomodeset in
order to get my Samsung television to stop turning on and off repeatedly during
modeset problems. I would like to mention that my television doesn't support
an automatic shutoff mode which would normally cause it to turn off in a
powersave situation, so being able to do that would be considered a new feature
to me (one maybe worth exploring later). However, this last distro of 15.04
seems to have brought back the old problems with modeset that were once fixed,
brought back, fixed again, and now brought back once more.
Unfortunately, I can't give a log of this error due to the nature of the
problem causing no visuals and my system deleting any log files upon reboot of
the live boot. So, all I can suggest is to look into what changed that would
cause modeset to break like this and try to change it back or add-in the fix to
the code that existed before, if possible.
Thanks!
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
.tmp.unity.support.test.1:
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CasperVersion: 1.360
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: Sun Apr 26 01:52:38 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
NVIDIA Corporation GM204 [GeForce GTX 980] [10de:13c0] (rev a1) (prog-if 00
[VGA controller])
Subsystem: eVga.com. Corp. Device [3842:3988]
LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper
initrd=/casper/initrd.lz quiet splash --- nomodeset
Renderer: Software
SourcePackage: xorg
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/23/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.name: X99 Professional
dmi.board.vendor: ASRock
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.:bvrP1.50:bd01/23/2015:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnX99Professional:rvr: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 1:0.9.12.1+15.04.20150410.1-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917-1~exp1ubuntu2build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.11-1ubuntu2build1
xserver.bootTime: Sun Apr 26 01:33:12 2015
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input DELL Dell USB Wired Multimedia Keyboard KEYBOARD, id 8
input DELL Dell USB Wired Multimedia Keyboard KEYBOARD, id 9
input DELL DELL USB Laser Mouse MOUSE, id 10
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.17.1-0ubuntu3
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 ubuntu vivid
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1448574
Title:
Have to use nomodeset for install (new problem for new distro)
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1448574/+subscriptions
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