Re: 3.4.10 N_GSM tty_io WARNING and lockup

From: Alan Cox
Date: Fri Sep 07 2012 - 09:24:47 EST


On Fri, 07 Sep 2012 14:59:26 +0200
Krzysztof Halasa <khc@xxxxxxxxx> wrote:

> > In the meantime I've rebased to v3.5.3 and it started to work. Do you
> > think it is worth it investigating v3.4.10 at this point?
>
> BTW I'm not sure if it's a known bug: I closed the /dev/ttyS0 with
> /dev/gsmmuxX still open, and then tried to set N_TTY ldisc on the
> master device. It didn't work so well :-(

That should be fixed in 3.7. It's unfixable until the lock splitting work
is merged.
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