Control: tags -1 + moreinfo Hi,
On Sat, Sep 26, 2026 at 08:47:49PM +0300, Maksim wrote: > Package: linux-image-7.1.8+deb13-amd64 > Version: 7.1.8-1~bpo13+1 > Severity: important > > Dear Maintainer, > > After upgrading to kernel 7.1.8, the system freezes when Alt+Tabbing > out of fullscreen games (tested with Fallout Shelter via Steam/Proton). > > dmesg shows: > amdgpu 0000:0a:00.0: [drm] *ERROR* [CRTC:422:crtc-0] flip_done timed out > amdgpu 0000:0a:00.0: [drm] *ERROR* flip_done timed out > amdgpu 0000:0a:00.0: [drm] *ERROR* [CRTC:422:crtc-0] commit wait timed out > > Hardware: AMD Radeon RX 6600 (Navi 23), Ryzen 7 5700X, > Gigabyte B550 AORUS ELITE V2 (BIOS FId, 2026-08-18), 128 GB RAM. > > Kernel 7.1.3 works fine with same hardware and same games. > The problem is a regression introduced in 7.1.8. > > Workaround: revert to kernel 7.1.3 and pin it via apt-mark hold. > > I already tried amdgpu.dcdebugmask=0x410 and it did not help. > > Note: currently running 7.1.3 (as shown in System Information below), > because 7.1.8 is unusable due to this bug. Can you please check if this is still reproducible with 7.2.9-1? Can you additionally in case reproducible with 7.2.9-1 test without the amdgpu.gpu_recovery=1 kernel parameter, and report back? Regards, Salvatore

