> I know it no timeout yet. I would fix the delay() using timeout instead of
> a daemon processes thats all. 
Using a daemon would possibly fix more bugs as well.  I noticed
(and reported in a PR5679) that the com driver calls malloc() with
M_WAITOK in the attach routine.  This makes the kernel crash (sometimes?)
when you plug in a PCMCIA card with a com port (like a modem).

     -- Lennart