If you write ubuntu22.04 to emmc in UMS mode and reboot, serial data will appear as above.

etrin · Mar 14, 2024, 8:00 AM

If you write ubuntu22.04 to emmc in UMS mode and reboot, serial data will appear as above.
And only the logo appears on the screen.
It continues to be like this.What should I do?I would like to ask for your advice.have a good day.

jack_admin · Mar 14, 2024, 10:29 AM

@etrin which version about cm5 board? anymore info from console out please.

etrin · Mar 21, 2024, 12:26 AM

@jack_admin The attached log records are all. Even if I reboot again, I only see the log with the same content. Is it possible to control the booting state from serial mode? Other boards can enter control mode using key values. What should I do with cm5?