Package: raspberrypi-kernel
Version: 1:1.20210928-1~buster
Severity: normal
File: drm

Dear Maintainer,

I found this using dmesg and don_t know if it is relevant for a Pi4 2GB for 
normal operation

[85186.639426] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] 
*ERROR* [CRTC:87:crtc-0] flip_done timed out
[85196.879566] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] 
*ERROR* [CRTC:151:crtc-1] flip_done timed out
[85207.119649] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] 
*ERROR* [CRTC:87:crtc-0] flip_done timed out
[85217.359836] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] 
*ERROR* [CRTC:151:crtc-1] flip_done timed out
[85227.599965] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] 
*ERROR* [CONNECTOR:89:HDMI-A-1] flip_done timed out
[85237.840100] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] 
*ERROR* [CONNECTOR:153:HDMI-A-2] flip_done timed out
[85248.080248] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] 
*ERROR* [PLANE:31:plane-0] flip_done timed out
[85258.320371] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] 
*ERROR* [PLANE:95:plane-8] flip_done timed out
[85268.560513] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] 
*ERROR* [CRTC:87:crtc-0] flip_done timed out
[85278.800679] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] 
*ERROR* [CRTC:151:crtc-1] flip_done timed out


-- System Information:
Debian Release: 10.11
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable-proposed-updates'), 
(500, 'oldstable')
Architecture: arm64 (aarch64)
Foreign Architectures: armhf

Kernel: Linux 5.10.63-v8+ (SMP w/4 CPU cores; PREEMPT)
Kernel taint flags: TAINT_CRAP
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL 
set to de_DE.UTF-8), LANGUAGE=de_DE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set 
to de_DE.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

-- no debconf information

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