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/1944397
** Tags added: iso-testing
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This has been narrowed down to the use of full kms in the desktop image.
As a temporary workaround you can change the line dtoverlay=vc4-kms-v3d
to dtoverlay=vc4-fkms-v3d in /boot/firmware/config.txt
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kitchen sink debug output...
** Attachment added: "debug.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1944397/+attachment/5527119/+files/debug.txt
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(I would note that even with this kernel I have issues with getting the
screen to come back from sleep... which might explain the dmesg errors
at the end.)
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vc-log output for working boot:
[5.506129] vcos: brfs: File read: /mfs/sd/config.txt
[5.506979] vcos: brfs: File read: 1663 bytes
[5.560501] vcos: brfs: File read: /mfs/sd/edid.dat
[5.578718] vcos: brfs: File read: 256 bytes
[5.586393] vcos: brfs: File read: /mfs/sd/config.txt
@brian-murray The linux-image-5.13.0-1006-raspi kernel is working fine,
so yes this is a regression.
5.11.0-1016-raspi also works fine.
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Title:
(FYI I set this to overclock to 2Ghz today, which is stable, and within
warranty for the device, but the issues were happening before I changed
that setting.)
** Attachment added: "config.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1944397/+attachment/5527114/+files/config
** Attachment added: "cmdline.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1944397/+attachment/5527113/+files/cmdline.txt
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T
** Changed in: linux-raspi (Ubuntu Impish)
Milestone: None => ubuntu-21.10
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Title:
hdmi broken on 5.13.0-1007-raspi
To manage notifications
Attaching the dmesg output since the paste will eventually disappear.
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1944397/+attachment/5526935/+files/dmesg.txt
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@satmandu can you post the contents of your config.txt and cmdline.txt?
** Also affects: linux-raspi (Ubuntu Impish)
Importance: High
Assignee: Juerg Haefliger (juergh)
Status: New
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Did this used to work with a previous Ubuntu kernel?
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Title:
hdmi broken on 5.13.0-1007-raspi
To manage notifications about this bug go to:
http
** Changed in: linux-raspi (Ubuntu)
Assignee: (unassigned) => Juerg Haefliger (juergh)
** Changed in: linux-raspi (Ubuntu)
Importance: Undecided => High
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Full dmesg from broken linux-image-5.13.0-1007-raspi:
https://paste.ubuntu.com/p/XV6N9bKPnm/
dmesg from working linux-image-unsigned-5.15.0-051500rc2-generic:
https://paste.ubuntu.com/p/Yy3JHR3CHr/
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linux-image-5.13.0-1006-raspi boots when linux-modules-extra-raspi installed.
linux-image-5.13.0-1007-raspi gives these kernel errors.
linux-image-unsigned-5.15.0-051500rc2-generic boots properly
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