The issue is now resolved after upgrading to Ubuntu 15.04
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https://bugs.launchpad.net/bugs/1422165
Title:
xrandr query resets refresh rate to default setting
Status in xorg package in Ubuntu:
New
Bug description:
Hi,
I faced this problem after upgrading from 14.04 to 14.10. Basically, when
I switch display refresh rate using xrandr to some non-default value and then
just run xrandr without any arguments, the rate resets to default. I can
clearly see it as my TV is able to show current refresh rate. Also TV blinks
after second xrandr invocation. So steps to reproduce are:
1. xrandr --output HDMI1 --mode 1920x1080 --rate 24 <-- TV switches to
24HZ and stays in this mode.
2. xrandr (or xrandr --nograb) <-- TV blinks and switches back to default
60HZ.
The original problem was observed in Kodi (ex Xbmc) - it failed to
enable (and still fails) 24HZ video refresh rate, I analyzed Kodi
sources and found out that above mentioned steps are indeed used by
Kodi to switch refresh rate. Note that fore some reason the switch to
50HZ refresh rate does NOT exibit the problem, but only to 24/25/30HZ
(on my system).
Short summary about my system:
- 64Bit Ubuntu 14.10 (everything stock, Unity, all up-to-date)
- TV Phillips 47PFL7108
- CPU Intel(R) Core(TM) i7-4765T
- Video card (builtin) Intel® HD Graphics 4600
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xorg 1:7.7+7ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.7-0ubuntu8.1
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
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission
denied
Date: Sun Feb 15 21:14:35 2015
DistUpgraded: 2014-11-29 15:58:09,685 DEBUG enabling apt cron job
DistroCodename: utopic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device [1458:d000]
InstallationDate: Installed on 2014-01-06 (405 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
(20131016.1)
MachineType: GIGABYTE MSH81TN-00
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-30-generic
root=UUID=606d0fae-4275-4eb2-ad9b-f730da28cbc5 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to utopic on 2014-11-29 (78 days ago)
dmi.bios.date: 10/15/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F2
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: MSH81TN-00
dmi.board.vendor: GIGABYTE
dmi.board.version: 1.x
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.:bvrF2:bd10/15/2013:svnGIGABYTE:pnMSH81TN-00:pvr1.x:rvnGIGABYTE:rnMSH81TN-00:rvr1.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: MSH81TN-00
dmi.product.version: 1.x
dmi.sys.vendor: GIGABYTE
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu0.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu0.1
version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.914-1~exp1ubuntu4.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.11-1ubuntu2
xserver.bootTime: Sun Feb 15 20:21:04 2015
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Video Bus KEYBOARD, id 7
input Power Button KEYBOARD, id 8
input Andrey’s Trackpad TOUCHPAD, id 9
input Apple Wireless Keyboard KEYBOARD, id 10
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 0
vendor PHL
xserver.version: 2:1.16.0-1ubuntu1.2
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