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Message #82792
[Bug 1376581] Re: DisplayPort monitor not properly detected via HP ultraslim docking station 2013
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.17 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.
If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".
Thanks in advance.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc7-utopic/
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1376581
Title:
DisplayPort monitor not properly detected via HP ultraslim docking
station 2013
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
DisplayPort monitor not properly detected via HP ultraslim docking
station 2013
My configuration:
- Ubuntu 14.04, with all updates (3.13.0-36.63-generic 3.13.11.6)
- EliteBook 850 G1 connected to a HP ultraslim docking station 2013.
- 1 Dell 2209WA connected to the VGA port of the docking
- 1 Dell P2414H connected to the DP of the docking
Currently I have the lateste fglrx (14.301.1001), but if was the same
with the version from Ubuntu repo.
This is the output from xrandr:
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192
eDP1 connected (normal left inverted right x axis y axis)
1920x1080 60.4 + 59.9 40.3
1680x1050 60.0 59.9
1600x1024 60.2
1400x1050 60.0
1280x1024 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP2 connected primary 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm x 296mm
1680x1050 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
HDMI2 disconnected (normal left inverted right x axis y axis)
There is some scrambled image displayed on the DP monitor like in the
attached image.
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References