On Sun, 5 Jun 2022, Mark Mentovai wrote:
By running shells on all consoles listed in /proc/cmdline, failsafe mode will work correctly on devices with a serial console (like apu2), and the same image without any need for reconfiguration can be shared by devices with the more traditional (for x86) VGA console.
More generally, this is probably worth digging into further to figure out how to achieve consistency on platforms with both a local display and a primary serial port that are equally likely to be used as the main console. For example, on a Raspberry Pi, the initial prompt to enter failsafe is only sent to /proc/console, which is the VGA console, not ttyS0. -Nathan
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