** Changed in: linux-raspi2 (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
rpi3b+: corrupted screen on hdmi
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** Changed in: linux-raspi2 (Ubuntu)
Status: In Progress => Fix Committed
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Title:
rpi3b+: corrupted screen on hdmi
To manage notification
We are going to release a new kernel soon, right now it is in the
proposed channel, Welcome to test with the new kernel:
edit the $rpi_rootfs/etc/apt/sources.list and add:
deb http://ports.ubuntu.com/ubuntu-ports eoan-proposed main restricted
deb http://ports.ubuntu.com/ubuntu-ports eoan-proposed
** Changed in: linux-raspi2 (Ubuntu)
Status: New => In Progress
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Title:
rpi3b+: corrupted screen on hdmi
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This problem is fixed by this commit, it is in the
https://github.com/raspberrypi/linux.git
(the data structure does not match the firmware definition)
commit 26f64fa81357f4b18192432eb8023f99c7eb5cf7 (HEAD ->
26f64fa81357f4b18192432eb8023f99c7eb5cf7)
Author: Michael Brown
Date: Sun Sep 22 21
And this bug will be fixed with
https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1849623
And there is a testing kernel, we could install this testing kernel and remove
the vc4-fkms-v3d from the config.txt.
https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1848790/comments/11
** Tags added: id-5da6d4ddbf55d385e9c31e0b
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Title:
rpi3b+: corrupted screen on hdmi
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** Tags added: rls-ff-incoming
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Title:
rpi3b+: corrupted screen on hdmi
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For now, I've adjusted the boot configuration written by the base image
(and migrated by u-boot-rpi) to include the vc4-fkms-v3d overlay on all
models. While this seems to alleviate the problem, it should be
considered temporary workaround only (we should figure out why this
occurs and try and fix
This bug has been reported on the Ubuntu ISO testing tracker.
A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1847596
** Tags added: iso-testing
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If I don't add dtoverlay=vc4-fkms-v3d in the config.txt, the rpi4 board
will have the same corrupted screen as the #1 for armhf kernel + armhf
uboot.
On the rpi3 B+ board, if booting with the same uboot without
dtoverlay=vc4-fkms-v3d + 4.15/5.0 raspi2 kernel, the hdmi display
doesn't have this iss
For arm64 /boot/firmware/config.txt looks like this (this time before
the change):
enable_uart=1
kernel=kernel8.bin
device_tree_address=0x0300
dtparam=i2c_arm=on
dtparam=spi=on
arm_64bit=1
again, added the dtoverlay and rebooted. After that screen is looking
normal.
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** Changed in: linux-raspi2 (Ubuntu)
Importance: Undecided => High
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Title:
rpi3b+: corrupted screen on hdmi
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Yes, this is the content of the file (armhf image) now (and after adding
the overlay screen corruption is gone):
enable_uart=1
kernel=uboot.bin
device_tree_address=0x0300
dtparam=i2c_arm=on
dtparam=spi=on
dtoverlay=vc4-fkms-v3d
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FWIW, this happens on both the arm64 and armhf image from today.
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Title:
rpi3b+: corrupted screen on hdmi
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** Attachment added: "hdmi-screen.jpg"
https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1847596/+attachment/5296204/+files/hdmi-screen.jpg
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Can you attach the content of your /boot/firmware/config.txt?
I suspect it's lacking the vc4-fkms-v3d overlay which is now required as
of the pi4-compatible kernel (I'd originally, mistakenly, thought this
was only required on the pi4 but it turns out all pi models need it).
Tomorrow's dailies sho
** Changed in: linux-raspi2 (Ubuntu)
Assignee: (unassigned) => Hui Wang (hui.wang)
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Title:
rpi3b+: corrupted screen on hdmi
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