Date: Fri, 3 Oct 2003 23:23:34 +0200 From: "Christoph P. Kukulies" <kuku@physik.rwth-aachen.de> To: ticso@cicely.de Cc: hackers@freebsd.org Subject: Re: total hang when cu -l /dev/cuaa0 Message-ID: <20031003212334.GA2076@gilberto.physik.rwth-aachen.de> In-Reply-To: <20031003201507.GK886@cicely12.cicely.de> References: <200310031821.h93ILSVI001295@www.kukulies.org> <20031003201507.GK886@cicely12.cicely.de>
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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
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