Hi Christopher,
I tested it with v4.0-rc6-vivid and problem persist.
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-
upstream-4.0-rc6
** Changed in: xorg (Ubuntu)
Status: Incomplete = Confirmed
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Hi Christopher,
unfortunatelly it's not a bios problem. I updated it to last version and
problem persist. As I mentioned before, it looks like kernel problem for
me.
So, after bios update message remained the same.
Here's an output from dmidecode:
JBET45WW (1.10 )
02/03/2015
** Changed in:
apport information
** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361055/+files/Lspci.txt
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Title:
apport information
** Attachment added: XorgLogOld.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361064/+files/XorgLogOld.txt
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apport information
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361048/+files/Dependencies.txt
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** Attachment added: XorgLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361063/+files/XorgLog.txt
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As I said in previous report, for me it looks like Kernel problem.
Error messages are last three lines in dmesg:
[ 620.311295] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to
train DP, aborting
[ 627.706617] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to
train DP,
apport information
** Attachment added: xdpyinfo.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361066/+files/xdpyinfo.txt
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apport information
** Attachment added: xserver.devices.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361067/+files/xserver.devices.txt
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apport information
** Attachment added: LightdmGreeterLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361052/+files/LightdmGreeterLog.txt
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** Attachment added: Xrandr.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361065/+files/Xrandr.txt
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Title:
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** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361062/+files/UdevLog.txt
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** Attachment added: LightdmDisplayLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361051/+files/LightdmDisplayLog.txt
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** Attachment added: ProcInterrupts.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361059/+files/ProcInterrupts.txt
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** Attachment added: BootLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361045/+files/BootLog.txt
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** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361060/+files/ProcModules.txt
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** Attachment added: Lsusb.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361056/+files/Lsusb.txt
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** Attachment added: UdevDb.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361061/+files/UdevDb.txt
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Title:
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** Attachment added: LightdmGreeterLogOld.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361053/+files/LightdmGreeterLogOld.txt
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** Attachment added: DpkgLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361050/+files/DpkgLog.txt
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** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361047/+files/CurrentDmesg.txt
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** Tags added: apport-collected vivid
** Description changed:
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
apport information
** Attachment added: ProcEnviron.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361043/+files/ProcEnviron.txt
** Tags added: ubuntu
** Description changed:
Hi, on new laptop (thinkpad t450s) I get error message after connecting
external monitor:
apport information
** Attachment added: LightdmLog.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361054/+files/LightdmLog.txt
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** Attachment added: ProcEnviron.txt
https://bugs.launchpad.net/bugs/1427221/+attachment/4361058/+files/ProcEnviron.txt
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Hi Christopher, I've already reported it to kernel intel-gfx-bugs.
Should i report it to Xorg too?
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https://bugs.launchpad.net/bugs/1403275
Title:
i915 display driver causes crash
Public bug reported:
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
Hi there,
I think this is something more global - I mean it affects whole
system, not only part when you're going back to login window.
For example, this happens every time I connect external monitor through
DP. Of course, I cannot extend desktop to this monitor. Looks like
monitor is detected,
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