vik:
1) As per the sticker of the monitor itself (not from the Bug
Description, or the result of a terminal command), could you please
provide the full monitor manufacturer and model?
2) Regarding how you have the monitor connected, is it plugged into the
dock's DVI-I, or DisplayPort port? If you
** Attachment added: "syslog.txt"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1578011/+attachment/4780928/+files/syslog.txt
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It seems also just switching displays makes the kernel upset, please see
attached dmesg output. Also, please consider making
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1568573 a
duplicate, as it seems to involve the same cases and error messages.
** Attachment added: "dmesg-switch-displa
A short update on that: I am running 4.4.0-31-generic now, and although i can
not see from the changelog what would have changed in that regard, recognizing
an external display connected to a docking station is no problem anymore. But
after asuspend/resume-Cycle, the internal monitor will not sw
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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According to the error messages, might this be a duplicate of
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1568573 ? Do you
need any further information to hunt down this bug?
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** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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Title:
Laptop sometimes doesn't detect external monitor w
I don't know; I don't typically pay too much attention to updates.
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Title:
Laptop sometimes doesn't detect external moni
Hmm; under certain conditions, is now crashing the computer entirely
when I connect the dock.
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Title:
Laptop sometimes d
vik, to clarify your comment:
>"The issue disappeared for a while, but has returned in the past month or so;
>I'm guess a kernel driver update fixed it, then regressed."
Could you please advise after which update specifically did this issue
start happening with?
** Tags removed: bios-outdated-1.
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
GQET49WW (1.29 )
04/29/2016
** Changed in: xorg (Ubuntu)
Status: Expired => New
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h
Updated BIOS, and also updated firmware on the dock. Problem persists
(in fact, may now be slightly worse, but not quite certain)
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Attached another syslog of errors when connecting dock
** Attachment added: "intelsyslog.txt"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1578011/+attachment/4699075/+files/intelsyslog.txt
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Currently showing the following errors in syslog:
Jul 11 11:50:46 vikyoga kernel: [268224.347720]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many voltage
retries, give up
Jul 11 11:50:47 vikyoga kernel: [268224.963062]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR
I can try to update the BIOS, but given that the BIOS release notes (see
below) don't mention anything regarding this, it's not likely to fix
anything. The issue disappeared for a while, but has returned in the
past month or so; I'm guess a kernel driver update fixed it, then
regressed.
BIOS 1.29
vik, as per http://support.lenovo.com/us/en/products/Laptops-and-
netbooks/ThinkPad-Yoga-Series-laptops/ThinkPad-
Yoga/20C0/S1CWAU?linkTrack=GPS%253ABody_Search%2BProducts&tabName=&beta=false
an update to your computer's buggy, insecure, and outdated BIOS is
available (1.29). When you update to thi
[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]
** Changed in: xorg (Ubuntu)
Status: Incomplete => Expired
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Unfortunately the sticker has rubbed off; why would it be any different
to the DMI data?
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Title:
Laptop sometimes doesn'
vik, thank you for reporting this and helping make Ubuntu better.
Could you please provide the full computer serial number and MTM as
noted on the sticker of the computer itself (not from the Bug
Description)?
** Description changed:
- Clone of https://bugs.launchpad.net/ubuntu/+source/xserver-x
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