The problem is not solved, but I have worked around it by connecting
through the HDMI port instead of DP.
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https://bugs.launchpad.net/bugs/1904647
Title:
Radeon driver drops DP signal
No further action?
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https://bugs.launchpad.net/bugs/1904647
Title:
Radeon driver drops DP signal when switching to framebuffer in 5.8
kernel
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Thanks for responding and apologies for the missteps with my reporting.
I may be doing this wrong, but I'm afraid that my apport-collect attempt
has failed.
Firstly, I can only ssh into the dark session on the guest. Running
apport-collect requires a web browser that I must run in my host. This
Thank you for taking the time to report this bug and helping to make Ubuntu
better. Please execute the following command only once, as it will
automatically gather debugging information, in a terminal:
apport-collect 1904647
When reporting bugs in the future please use apport by using 'ubuntu-
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.8/+bug/1904647/+attachment/5435518/+files/dmesg.txt
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Title:
