[adding a few people to the CC] On 6/27/26 02:42, IT4roundtheW0rd wrote: > > I'd like to report a regression in linux-firmware-amdgpu introduced with > the 20260622 release. > > *System:* > - Distro: CachyOS > - Kernel: 7.1.1-2-cachyos > - GPU: AMD RX 6800-series > - Bootloader: GRUB > > *Problem:* > After updating linux-firmware-amdgpu from 1:20260519-1 to 1:20260622-1, > the system no longer shuts down completely when running `poweroff`. > Fans, keyboard LEDs, and power button LED remain active after the > shutdown sequence. The system hangs after "Sending SIGTERM to remaining > processes..." and never reaches full power-off (ACPI *S5).*
A few questions: * Which firmware files does your GPU use exactly (a full dmesg log should answer this) * Does the problem happen with a vanilla kernel as well (it most likely will, but would be good to confirm, as heavily patched vendor kernels can lead to all sort of issues). Ciao, Thorsten > *Relevant log excerpt (journalctl -b -1):* > > Jun 27 02:04:14 cachyos systemd-shutdown[1]: Sending SIGTERM to > remaining processes... > > (no further entries — system hangs here) > > *Workaround:* > Downgrading to linux-firmware-amdgpu 1:20260519-1 resolves the issue > completely. > > *Steps to reproduce:* > 1. Update linux-firmware-amdgpu to 1:20260622-1 > 2. Run `poweroff` > 3. System hangs — power is not cut > > *Additional notes:* > The root cause appears to be that the new firmware blob prevents the > amdgpu driver from cleanly releasing the GPU before the ACPI S5 power > state transition. No other packages were updated in the same transaction > that could explain this behavior. > > This issue was researched and this report was drafted with the > assistance of Claude (Anthropic AI). > > Best regards, > > Benjamin Maas
