no serial port: "configured irq 3 not in bitmap of probed irqs"

[Peter]

--- Erik Trulsson <ertr1013 at student.uu.se> wrote:

> On Mon, Mar 13, 2006 at 01:15:57PM -0500, Peter wrote:
> > I cannot get FreeBSD 6.0 to recognize my serial port.  I am using
> the
> > ASUS K8V-X SE motherboard[1].  It only has serial port but dmesg
> > suggests there are two:
> > 
> > sio0: configured irq 4 not in bitmap of probed irqs 0
> > sio0: port may not be enabled
> > sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags
> 0x10 on
> > acpi0
> > sio0: type 16550A
> > sio1: configured irq 3 not in bitmap of probed irqs 0
> > sio1: port may not be enabled
> 
> It looks like FreeBSD found one serial port (si0) and looked for
> another
> (sio1) but didn't find it (which is not surprising if it is not
> there). 
> 
> > 
> > In the end I have no port:
> > 
> > $ ls -lh /dev/cua*
> > crw-rw----  1 uucp  dialer    0,  42 Mar 13 03:59 /dev/cuad0
> > crw-rw----  1 uucp  dialer    0,  43 Mar 13 03:59 /dev/cuad0.init
> > crw-rw----  1 uucp  dialer    0,  44 Mar 13 03:59 /dev/cuad0.lock
> 
> And one port (the one detected as sio0) appears in /dev also
> according to
> the above.
> 
> There is one serial port and FreeBSD finds it.
> 
> I don't see the problem.

Ok thank you.  My conclusion was based on the combination of the
error-like messages ("port may not be enabled") and my experience with
FreeBSD (that it assigns /dev/cuaa{0,1} to its serial devices).

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