14435 2021-06-16 08:09:54 +0000 [3.4 M1 beaglebone] Some drm error messages in dmesg 2021-07-23 08:11:44 +0000 1 1 7 Build System, Metadata & Runtime BSPs bsps-meta-yocto 3.4 x86 Multiple RESOLVED FIXED Medium+ normal 3.4 M2 1 yi.zhao kexin.hao randy.macleod richard.purdie sangeeta.jain yi.zhao yi.zhao --- Regression (Used to work) No (bug/feature does not impact docs) oldest_to_newest 90643 0 yi.zhao 2021-06-16 08:09:54 +0000 Git rev: master/59d93693bf24e02ca0f05fe06d96a46f4f0f1bf8 Image location: https://autobuilder.yocto.io/pub/releases/yocto-3.4_M1.rc1/machines/beaglebone-yocto/ When the monitor enters power save mode or wakes up, some drm error messages are printed to the console: root@beaglebone-yocto:~# [drm:drm_atomic_helper_wait_for_dependencies] *ERROR* [CRTC:32:tilcdc crtc] flip_done timed out [drm:drm_atomic_helper_wait_for_dependencies] *ERROR* [CONNECTOR:34:HDMI-A-1] flip_done timed out root@beaglebone-yocto:~#[drm:drm_atomic_helper_wait_for_dependencies] *ERROR* [PLANE:31:plane-0] flip_done timed out tilcdc 4830e000.lcdc: already pending page flip! 91010 1 yi.zhao 2021-07-23 07:20:04 +0000 This issue doesn't exist on 3.4 M2. 91011 2 kexin.hao 2021-07-23 08:11:44 +0000 It seems that this has been fixed in the latest stable kernel.