> As you are writing to a tty device, you need to set up the tty layer
> properly from userspace before calling write().  See a Serial
> Programming HOWTO for information on how to do this.  If you don't do
> this, the tty layer is in an unknown state, and odd things
> can happen on
> what kind of data gets transmitted (I've seen this firsthand.)
>
> But this shouldn't be causing an oops :)
>

Thanks for the tip.  I set a number of port options using tcsetattr() and it no longer
panics.  My problem is now solved, but the kernel panic should still be fixed.

Anthony J. Battersby
Cybernetics


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