** Tags removed: bios-outdated-2.49
** Tags added: bios-outdated-2.50
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https://bugs.launchpad.net/bugs/1552040
Title:
[Lenovo ThinkPad T440s] Laptop sometimes d
Tried the first workaround, the X.org conf.d snippet, and this has
helped a great deal. Although, sometimes the lock screen acts up and
shows my windows, toolbars and is weirdly unresponsive after resuming
from suspend. I suppose that could be a different bug, perhaps with
Gnome or Gnome Shell?
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Strange though, I did not have this problem at all in 18.04. Only
occurred now after upgrading to 18.10. What changed? The kernel patch
linked to is from 2016, and a lot of the other bug reports are older as
well. Is it a regression of a sort?
I have a Thinkpad X270 (latest BiOS - 1.33) and this i
I had the exact same problem but with a dell xps15 9550 with a
thunderbolt to display port in MsT mode with 2 external screens. Afer
Sergeys tips everything became stable and workable.
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Sergey Menshikov, it is most helpful if you use the computer the problem is
reproducible with, and file a new report with Ubuntu via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
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My workaround is to enable GuC firmware loading and boot without the
dock attached.
Kernel 4.15.0.30 Ubuntu 18.04.1 Xorg/Gnome Lenovo 4th gen X1 20FBxxx
Skylake i7 Intel built-in video
Looks like this is some kind of race condition related to DisplayPort
Multi-Stream mode (DP-MST). This is why mu
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