Hello,
Every time I re-image my computer, I have to frantically search the
internet for this bug report to fix this issue. It is now 5 years after
the initial bug report, and it is still unfixed. Since then, I've
upgraded my CPU and my RAM and swapped out a new video card (still an
AMD but a
Hello, I am still having this issue. Adding amdgpu.dc=0 to the grub
config "fixes" it, but with the side-effect that startup text is
illegible (for some reason). This would make it hard if I ever had to
restore my system after a failed launch of the session manager or
something like that. I now
I think that fixed it.
To add `amdgpu.dc=0`, you must edit your grub configuration
https://askubuntu.com/questions/1029517/amd-rx480-screen-flicker-after-
update-to-18-04#1032198
>To do this, edit the file /etc/default/grub, for example using
>sudoedit /etc/default/grub
>Find the line
Where is that configured?
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https://bugs.launchpad.net/bugs/1799613
Title:
In kernel 4.14.59, monitor resolution is detected correctly. In
kernels after that, they are
Attached apport
** Attachment added: "apport.xorg._bwf38sg.apport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1799613/+attachment/5205379/+files/apport.xorg._bwf38sg.apport
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Linux blackbox 4.19.0-041900-generic #201810221809 SMP Mon Oct 22
22:11:45 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
When running this kernel, the bug changes but is still present. In
arandr, the 2560x1440 resolution is available, however the monitor
interprets the signal as 1280x1440, which makes
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1799613/+attachment/5204718/+files/dmesg.log
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** Attachment added: "version.log"
https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1799613/+attachment/5204719/+files/version.log
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Monitors: L24q-20
Graphics card: AMD RX 560
Let me know what other information I should attach, this is my first bug
report.
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https://bugs.launchpad.net/bugs/1799613
** Attachment added: "get-edid.log"
https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1799613/+attachment/5204716/+files/get-edid.log
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** Attachment added: "uname-a.log"
https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1799613/+attachment/5204720/+files/uname-a.log
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** Attachment added: "lspci-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1799613/+attachment/5204717/+files/lspci-vnvn.log
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Public bug reported:
dpkg --list | grep linux-image
ii linux-image-4.15.0-36-generic 4.15.0-36.39
amd64Signed kernel image generic
ii linux-image-4.15.0-38-generic 4.15.0-38.41
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