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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1958248
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1958248
Title:
Screen garbled on login and freezes on unsuspend
Status in linux package in Ubuntu:
Incomplete
Bug description:
1. The login manager works but as soon as I log in, the screen is
filled with colored vertical stripes and is unusable. I found that if
I change the screen resolution to the maximum (1920x1080), then the
screen is ok. Any other resolution that I've tried (eg (1440x900 used
to be my preference) causes the unreadable display and it does not
revert back, requiring a reboot.
2. Coming out of suspend, the password entry screen is displayed, but
there is no response to keyboard or mouse, requiring a reboot.
HP Envy x360 laptop with AMD Ryzen 7 with Radeon graphics
Last known kernel that worked is 5.11.0-46
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