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Message #169039
[Bug 1543683] Re: Fails to detect (second) display
Can you test one additional kernel? It is the current Xenial kernel
with commit 237ed86c also reverted. If this one is good, then commit
7a5c500 (drm/i915: Fix hpd live status bits for g4x). Needs some more
work.
The latest test kernel is in the usual location:
http://kernel.ubuntu.com/~jsalisbury/lp1543683/
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https://bugs.launchpad.net/bugs/1543683
Title:
Fails to detect (second) display
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
Bug description:
With the upgrade to 4.4.0-2, only one of the two displays in the
machine is detected. With 4.3.0-7 (and earlier) both are detected.
In this case, both display connectors are on the MB.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-extra-4.4.0-2-generic 4.4.0-2.16
ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
Uname: Linux 4.4.0-2-generic x86_64
ApportVersion: 2.19.4-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lamont 3923 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Feb 9 10:22:38 2016
HibernationDevice: RESUME=UUID=5d145c55-633f-4197-a4c9-0b165b6dbeb3
InstallationDate: Installed on 2014-09-22 (505 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
MachineType: Shuttle Inc SG41
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-2-generic root=UUID=ba0ea95b-cde0-42ba-b06e-9fd6ca006881 ro nomdmonddf nomdmonisw
RelatedPackageVersions:
linux-restricted-modules-4.4.0-2-generic N/A
linux-backports-modules-4.4.0-2-generic N/A
linux-firmware 1.155
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2014-11-14 (452 days ago)
dmi.bios.date: 02/10/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080015
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: FG41
dmi.board.vendor: Shuttle Inc
dmi.board.version: V20
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Shuttle Inc
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080015:bd02/10/2011:svnShuttleInc:pnSG41:pvrV20:rvnShuttleInc:rnFG41:rvrV20:cvnShuttleInc:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: SG41
dmi.product.version: V20
dmi.sys.vendor: Shuttle Inc
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References