Thanks for the bug report. Your second monitor is not working apparently
because you are using the 'fbdev' Xorg driver, which shouldn't happen.
It looks like that happened because the proper 'modesetting' driver
failed to find a graphics device at /dev/dri/card0. So it would appear
this is a kernel bug.
Please try removing the 'biosdevname=0' kernel parameter and tell us if
that resolves the problem.
Please also try booting an older kernel version and tell us if that
fixes it.
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Summary changed:
- second monitor
+ [amdgpu] second monitor
** Summary changed:
- [amdgpu] second monitor
+ [amdgpu] /dev/dri/card0 is missing
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1943239
Title:
[amdgpu] /dev/dri/card0 is missing
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1943239/+subscriptions
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