I updated system today, probably one of the libdrm* packages fixed it.
** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
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https://bugs.launchpad.net/bugs/1427221
Vladimír Kriška, the issue you are reporting is an upstream one. Could
you please report this problem to the appropriate mailing list (intel-
gfx, not bugzilla) by following the instructions verbatim at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?
Please provide a direct URL to your e-mail to
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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Bugs,
** Bug watch added: Linux Kernel Bug Tracker #94121
http://bugzilla.kernel.org/show_bug.cgi?id=94121
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=94121
Importance: Unknown
Status: Unknown
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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:
Vladimír Kriška, could you please test the latest upstream kernel
available from the very top line at the top of the page (the release
names are irrelevant for testing, and please do not test the daily
folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will
allow additional
apport information
** 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
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,
Vladimír Kriška, as per http://support.lenovo.com/us/en/products
/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t450s an update
to your computer's buggy and outdated BIOS is available (1.10). If you
update to this following https://help.ubuntu.com/community/BIOSUpdate
does it change
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
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