Not sure if it’s appropriate to add my case here - but I was just about to start a thread with the exact same title…
My situation is a bit different - I guess I had the bullseye update to do (over 600 packages), and after update, on boot I see some text, then the blue screen with the OSMC logo, then my screen goes blank. My screen is a very peculiar beast (from 2004 or so) that only supports 1080p60hz (and I’ve had support from you guys before, eg Interlaced output to progressive-only display?). Plugging into a more modern computer monitor, everything seems fine.
In case it’s relevant, I too have the message in journalctl:
cectx c810023c.aocec: [hdmitx_notify_callback] unsupported notify:3
and also
kernel: Can't find timing exact match for 1920 x 1080 x 60
and whilst running grab-logs, I got the message:
Grabbing log edid-decode ...
An error occurred while grabbing edid-decode:
FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/edid-decode'
but I’ve no idea if any or all of these messages are relevant!
Thanks for any tips you guys can provide! (and apologies to @clude if my issue isn’t related!)