tcfxfzoi
(陳敏之)
September 14, 2026, 2:00am
1
Following silverblue version broken amdgpu.
fedora:fedora/44/x86_64/silverblue
Version: 44.20260913.0 (2026-09-13T00:50:48Z)
BaseCommit: 7fb21146b65c08b3dd69699e450358548507084fde652c4adb3f7cb32576aefc
Log show below message and can’t change screen brightness.
enita
(Enita Nureya)
September 14, 2026, 3:08am
2
Same issue.
GPU: Radeon 680M (integrated in Ryzen7 7735H)
Log: Spectra Clipboard
Upstream seems to be dealing with this already: #5803 #5805 #5809 #5813 , maybe we just need to wait for a hotfix.
py0xc3
(Chris)
September 15, 2026, 5:44pm
3
For temporary mitigation, see
The issue can be mitigated by downgrading the firmware, and then rebuild the initramfs:
E.g., if you have already installed 7.2.5, you can do first
dnf downgrade https://kojipkgs.fedoraproject.org//packages/linux-firmware/20260810/1.fc44/noarch/amd-gpu-firmware-20260810-1.fc44.noarch.rpm \
https://kojipkgs.fedoraproject.org//packages/linux-firmware/20260810/1.fc44/noarch/amd-ucode-firmware-20260810-1.fc44.noarch.rpm \
https://kojipkgs.fedoraproject.org//packages/linux-firmware/20260810/1.fc44/…
py0xc3
(Chris)
September 18, 2026, 9:44am
4
Final solution for those with the 680M problem (issues about the solution, please in the topic I posted it and add the data I requested for that case!):
It’s done: the firmware update with the fixed is available in stable, and many people already confirmed it solves the issue. If you experience this issue, please do all of the following in the given order, and if you customized much on your system, keep in mind the following is intended for a default Fedora (but the following commands will not be impacted if you just installed more software from the Fedora repositories or so, and also not by any customizations of your user account, which is cust…
Because there had been already several, partially dangerous, ideas of how to mitigate in some of the topics about this, I select this as solution so that users are led here before they attempt one of them: the OP is free to change this choice if they disagree!