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Message #59587
[Bug 1427221] Re: i915, broadwell, cannot connect external monitor through Display Port
Vladimír Kriška, thank you for reporting this and helping make Ubuntu
better. Could you please run the following command in the development
release from a Terminal as it will automatically gather and attach
updated debug information to this report:
apport-collect -p xorg 1427221
Please ensure you have xdiagnose installed, and that you click the Yes
button for attaching additional debugging information.
** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu)
** Changed in: xorg (Ubuntu)
Importance: Undecided => Low
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1427221
Title:
i915, broadwell, cannot connect external monitor through Display Port
Status in xorg package in Ubuntu:
Incomplete
Bug description:
Hi, on new laptop (thinkpad t450s) I get error message after connecting external monitor:
[drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting
And after that, monitor is turned to sleep mode. Interesting thing is,
that monitor is detected.
I've already reported bug to kernel intel-gfx, so some additional informations can be found there:
https://bugzilla.kernel.org/show_bug.cgi?id=94121
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4.2
Uname: Linux 3.19.0-031900-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Mar 2 14:17:36 2015
InstallationDate: Installed on 2015-02-26 (3 days ago)
InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: No upgrade log present (probably fresh install)
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