[Bug 101463] [KBL] Could not switch the monitor configuration

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 22 06:41:14 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=101463

--- Comment #13 from Ethan Hsieh <ethan.hsieh at canonical.com> ---
Hi Dhinakaran,

I only uploaded two kernel logs and there are only two kernel boots in logs.
$ grep -r -e "Linux ver" .
./1/kern.log:Jun  7 15:18:43 u-Precision-5520 kernel: [0.000000] Linux version
4.10.0-21-generic ...
./2/kern.log:Jun  7 14:52:52 u-Precision-5520 kernel: [0.000000] Linux version
4.10.0-21-generic ...

You can download all logs from attachment#131995.
log.tar.bz2
├── 1
│   ├── kern.log
│   └── Xorg.0.log
├── 2
│   ├── kern.log
│   └── Xorg.0.log
├── The_pop-up_window_and_wrong_proportion2.png
└── The_pop-up_window_and_wrong_proportion.png

1/kern.log:
eDP-1: Built-in LCD (laptop)
DP-5 & DP-6: external DP and mDP monitors connected to Dell dock.

2/kern.log:
eDP-1: Built-in LCD (laptop)
DP-4, DP-5, DP-6, DP-9: external DP and mDP monitors connected to Dell dock.

DP-X is external monitor connected to Dell dock.
I only have two external monitors.
In 16.04 + kernel 4.10, The number of DP connector will be changed after I
unplug/replug the cable.

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