The issue is still reproducible with the updated BIOS and I have
discovered another, more severe issue. Steps to reproduce:
1. work with internal and and external monitor connected to dock and both
switched on and in use.
2. detach the laptop from the dock physically. Internal monitor stays on, WIFI
switches on, so undocking is detected by the system.
3. re-attach the open/switched on laptop to the dock. Power button blinks two
times (signal for detecting the dock). Both monitors stay black and after about
half a minute the system reboots.
Output of your command:
N10ET44W (1.23 )
07/13/2016
** Changed in: xorg (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1605618
Title:
Monitor on Lenovo dock not detected after Suspend
Status in xorg package in Ubuntu:
Confirmed
Bug description:
What I do:
Lenovo x250 is connected to Lenovo dock where an additional monitor is
connected. I only use the external.
Then I close the lid, take the laptop off the dock and use it a few minutes
later just fine.
Then I return back home, connect the laptop to the dock again with closed
lid. I press the dock's power button to wake it up. External monitor does not
react.
When I open the lid, the internal monitor is on, I can not switch to the
external monitor in system settings, it is not detected in "xrandr --query".
Ubuntu 16.04.1
xorg: 1:7.7+13ubuntu3
Would be nice if you guys can help. Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
BootLog: [ 9.228976] rc.local[1043]: * Starting crypto disk...
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: Fri Jul 22 14:23:04 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 5.0.24, 4.4.0-28-generic, x86_64: installed
virtualbox, 5.0.24, 4.4.0-31-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09)
(prog-if 00 [VGA controller])
Subsystem: Lenovo Broadwell-U Integrated Graphics [17aa:2226]
InstallationDate: Installed on 2016-05-24 (59 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
MachineType: LENOVO 20CLS41500
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-28-generic
root=UUID=9f9a0e4b-b36a-456a-be5e-e5e00a4d1a0b ro quiet splash
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/26/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N10ET42W (1.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CLS41500
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN10ET42W(1.21):bd02/26/2016:svnLENOVO:pn20CLS41500:pvrThinkPadX250:rvnLENOVO:rn20CLS41500:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20CLS41500
dmi.product.version: ThinkPad X250
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.2+16.04.20160714-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
xserver.bootTime: Mon Jul 18 21:16:45 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 1079
vendor LGD
xserver.version: 2:1.18.3-1ubuntu2.2
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