I did the update to "5.11.0-37-generic #41~20.04.2-Ubuntu SMP" and it
resolved the issue for me, too.
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https://bugs.launchpad.net/bugs/1939297
Title:
External monitors are black (connec
I've just booted up on the 5.11.0-37-generic and it seems to be fixed for me
also:
~[08:44]> uname -a
Linux jay-t15-u 5.11.0-37-generic #41~20.04.2-Ubuntu SMP Fri Sep 24 09:06:38
UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Other people with this issue - worth updating to the latest kernel and
testin
Seems fixed in 5.11.0-37-generic
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Title:
External monitors are black (connected through USB-C hub)
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I'm also having the same issue. My external screen is blank when using
docking on the 5.11.0-34-generic kernel.
** Attachment added: "2021-08-14_i915_drm_link_training_unsuccessful_error.log"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.11/+bug/1939297/+attachment/5525093/+file
I'm hitting the same issue. Here's a log from the command:
~[08:50]> journalctl --boot=-1 >
2021-08-10_i915_drm_link_training_unsuccessful_error.log
Booting back into the 5.8 kernel allows my dock display to work again.
It looks like this might be the same issue:
https://bugs.archlinux.org/task/
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed-hwe-5.11 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/193929
