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v3d cuase garbled window with firefox-esr wayland #4202
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Wayland is not supported in Raspberry Pi OS (or our kernel branches). |
Does that mean DRI/DRM is unsupported? This issue seems to uncover a bug in DRI/DRM part of v3d.ko. |
Do you have another way to demonstrate the problem? |
AFAIK this is a mutter bug -> https://gitlab.gnome.org/GNOME/mutter/-/issues/1520 |
I don't think this is a bug in the Linux v3d driver. |
Describe the bug
firefox-esr with gnome wayland session gives garbled windows as attached below.
module_blacklist=v3d
incmdline.txt
or selectingGnome on X.org
from a display manager suppresses the symptom.To reproduce
dtoverlay=vc4-kms-v3d-pi4
ordtoverlay=vc4-kms-v3d
ordtoverlay=vc4-fkms-v3d
in `config.txt. Full config.txt looks likeLog in to a gnome wayland session, and start firerfox-esr.
Expected behaviour
Show a sensible window by firefox.
Actual behaviour
The firerox window is garbled as attached below.
System
Copy and paste the results of the raspinfo command in to this section.
Logs
The output of
raspinfo
includes dmesg output.Additional context
All Debian packages are from Bullseye, not Buster.
![Screenshot from 2021-03-11 18-52-59](https://user-images.githubusercontent.com/53028623/110781283-0fbc1380-82a9-11eb-825b-a1c6b5ed0afc.png)
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