> > Emergency messages are not involved here. You can see at 84239098us that > Right, we don't have that. Let me boot my arm64, print something and > check how it goes… Thanks! Nothing too crazy is happening with printk in my setup. Mostly I just see systemd messages like this: [55458.630872] systemd-journald[1072]: Sent WATCHDOG=1 notification. [55578.632076] systemd-journald[1072]: Sent WATCHDOG=1 notification. -Paul