total hang when cu -l /dev/cuaa0

[Christoph P. Kukulies]

On Fri, Oct 03, 2003 at 10:15:08PM +0200, Bernd Walter wrote:
> On Fri, Oct 03, 2003 at 08:21:28PM +0200, C. Kukulies wrote:
> > 
> > 
> > I have disabled the SIO on my ASUS P4SX board because I have a PCI modem
> > card inserted. But the modem card or the sio on it doesn't seem to be detected
> > by the kernel. Instead I see two sios (sio0 and sio1) which are flagged
> > as possibly disabled (?) - why are they seen when I disabled them in the BIOS?
> 
> PCI serials shouldn't collide with legacy ones - PCI has different IO
> Space.
> Many boards don't disable interfaces completely - I wouldn't be suprised
> if just the irq was dropped.
> You need a different driver for your PCI one - e.g. puc.
> The modem coild also be something proprietary for which there is no
> driver available.
> 
> > When I run getty (or mgetty) on that port or when I do a cu -l /dev/cuaa0
> > the system freezes.
> 
> Why do you expect anything usefull by accessing half working hardware?

Well, I would expect an I/O error or no such device. Wouldn't that be
at least a minimum one could expect? But a crash or hand? No.
one could expect? But a crash or hand? No.


--
Chris Christoph P. U. Kukulies