Hi Storm,

> $ sudo cat /dev/vcsa
> cat: /dev/vcsa1: No such device or address

That error is errno ENXIO, see errno(3).

One view of the kernel source code has vcs_open() return that errno
under some conditions, but I can't help more than that.

    https://lxr.linux.no/#linux+v6.0.9/drivers/tty/vt/vc_screen.c#L744
    if (currcons && !vc_cons_allocated(currcons - 1))
        ret = -ENXIO;

-- 
Cheers, Ralph.

Reply via email to