It is unlikely that it is the firmware. I had the same issue and it started with 7.1-rc2. I am running gfx1150. The issue appears to have been fixed by 7.2-rc1 Sent from my iPhone
> On Jul 2, 2026, at 4:07 AM, Thorsten Leemhuis <[email protected]> > wrote: > > [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 >
