** Changed in: linux-firmware (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/2030882
Title:
Jammy: NVIDIA Turing architecture firmware for Nouveau missing (TU117)
Status in linux-firmware package in Ubuntu:
Confirmed
Bug description:
Black screen when logging out in KDE Neon.
Original bug report for KDE here:
https://bugs.kde.org/show_bug.cgi?id=473144
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Key points in the last comments:
I wonder could it be related to this linux-firmware issue with NVIDIA
Turing arch:
https://gitlab.freedesktop.org/drm/nouveau/-/issues/207
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-
firmware.git/commit/?id=2e92a49f90f73c8edc44b25c6e669d5e70893c90
Current linux-firmware package in Jammy is:
20220329.git681281e4-0ubuntu3.17
So that would be slightly older than the one where the NVIDIA fix was
introduced (3rd April)
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https://gitlab.freedesktop.org/drm/nouveau/-/issues/207
>Versions with this issue can boot with nomodeset kernel parameter.
I added 'nomodeset' to the "linux" -line in Grub for kernel 6.2 and now the
logout works. So this looks like it very likely is the firmware issue with
Ubuntu Jammy.
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So, this linux-firmware change would be needed:
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-
firmware.git/commit/?id=2e92a49f90f73c8edc44b25c6e669d5e70893c90
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