[systemd-devel] [PATCH] detect-virt: detect User-Mode Linux

Ramkumar Ramachandra artagnon at gmail.com
Tue Jul 16 07:54:22 PDT 2013

Lennart Poettering wrote:
> /dev/tty0 only exists
> on kernels with a VT subsystem

Yeah, but um Linux boots fine when I do

  $ mv /etc/systemd/system/getty.target.wants/{getty at tty1.service,getty at tty0.service}

I'm reading arch/um/drivers/tty.c, but I'm not sure I understand what
exactly is going on.

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