Re: tty, vt: lockdep warnings

From: Alan Cox
Date: Mon Nov 05 2012 - 15:10:16 EST


> The fbdev potential for deadlock may be years old, but the warning
> (and consequent disabling of lockdep from that point on - making it
> useless to everybody else in need of it) is new, and comes from the
> commit below in linux-next.
>
> I revert it in my own testing: if there is no quick fix to the
> fbdev issue on the way, Daniel, please revert it from your tree.

If you revert it you swap it for a different deadlock - and one that
happens more often I would expect. Not very useful.

I'm hoping the framebuffer maintainer will bother to respond to this
because that's the only way it can be sorted out.

Alan
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