[ale] Debian serial ports

Alex Carver agcarver+ale at acarver.net
Mon May 5 16:16:58 EDT 2014


Apparently I don't even have the isapnp module at all so I can't do a
thing.  Adding isapnp.conf does nothing.  But serial_core and 8250 both
did something (maybe).

I'm not sure if the parallel ports are working (there are two in this
machine) but the parport_serial, 8250_pci, and lp modules loaded along
with 8250 and serial_core.  dmesg shows ttyS0 and ttyS1 found along with
parport0 and parport1.  So maybe it worked.  I added all those modules
to /etc/modules just in case.

On 2014-05-05 06:05, Matt Hessel wrote:
> I don't think that isapnp will enumerate parallel or serial ports.
> Generally you have to force detection or add an entry under
> /etc/modprobe.d/*.conf for the module to load.
> On May 5, 2014 3:09 AM, "Alex Carver" <agcarver+ale at acarver.net> wrote:
> 
>> I was trying to migrate one of my label printers over to a Debian box
>> (currently squeeze, soon to be wheezy) but for some reason the box can't
>> see any of the serial (or parallel) ports.  This is an old P-II
>> motherboard so, if I remember correctly, all the serial and parallel
>> ports are behind the PCI-ISA bridge.  The problem is that I don't seem
>> to have access to the ISA bridge though it does show up in lspci:
>>
>> 00:07.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton
>> II] (rev 01)
>>
>> Normally I would expect isapnp or an equivalent module to activate it
>> but that's not working.  I can't seem to find anything online about a
>> missing isapnp or anything remotely similar.  I'm using the prebuilt
>> kernels for this system so why isapnp isn't there is just confusing me.
>>
>> Thoughts?
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> 
> 
> 
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