Public bug reported:
Usually when I plug in an external monitor (when awake, or before waking
from suspend), my external display is rendered with 1024x768 resolution,
and this is the highest resolution displayed by xrandr:
DP-2 connected 1024x768+1920+0 (normal left inverted right x axis y axis) 0mm x
0mm
1024x768 60.00*
800x600 60.32 56.25
848x480 60.00
640x480 59.94
But in fact if I reboot I get the full set of options back (1680x) for that
monitor.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: xorg 1:7.7+13ubuntu4
ProcVersionSignature: Ubuntu 4.8.0-45.48-generic 4.8.17
Uname: Linux 4.8.0-45-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.3-0ubuntu8.2
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 Apr 1 12:17:13 2017
DistUpgraded: 2017-01-21 16:13:06,191 DEBUG Running PostInstallScript:
'./xorg_fix_proprietary.py'
DistroCodename: yakkety
DistroVariant: ubuntu
DpkgLog:
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA
controller])
Subsystem: Lenovo HD Graphics 5500 [17aa:5036]
InstallationDate: Installed on 2016-02-12 (413 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: LENOVO 20BXCTO1WW
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-45-generic.efi.signed
root=UUID=ea2fb511-8d62-4b96-bdaa-4b3f7bf79cc6 ro noprompt quiet splash
vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to yakkety on 2017-01-21 (69 days ago)
dmi.bios.date: 11/06/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: JBET54WW (1.19 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BXCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrJBET54WW(1.19):bd11/06/2015:svnLENOVO:pn20BXCTO1WW:pvrThinkPadT450s:rvnLENOVO:rn20BXCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20BXCTO1WW
dmi.product.version: ThinkPad T450s
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.6-0ubuntu0.16.10.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.6-0ubuntu0.16.10.1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160706-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2
xserver.bootTime: Sat Apr 1 09:52:24 2017
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-1ubuntu6.1
xserver.video_driver: modeset
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 resolution ubuntu yakkety
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1678498
Title:
Resolution options for external monitor are incomplete
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1678498/+subscriptions
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