Re: [PATCH i-g-t] lib/sysfs: Fix fbcon rebind

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Quoting ville.syrjala@xxxxxxxxxxxxxxx (2017-09-06 14:04:01)
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> "echo 1 > vtconN/bind" doesn't actually do anything. Looks like the only
> way to rebind fbcon is to unbind the current console.
> 
> I suppose the failure to rebind might be a kernel bug, but I can't be
> bothered to decode the vt.c spaghetti so let's just try to handle this
> in igt. For simplicity let's assume the currently bound console is the
> dummy console and unbind that when we want to rebind fbcon. That works
> for me.
> 
> With rebinding not working we can't really tell wich console is going
> to get bound anyway, so there's no way to make this code really robust,
> assuming we ever had more than these two console drivers involved.

Hmm, CONFIG_DUMMY_CONSOLE suggests that the dummy isn't universal
either. If there is no dummy, can the last be unbound? I have no idea.
-Chris
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