Hi.
I installed Linux on a IBM Thinkpad 390X and I am experiencing
some trouble when I try to use both the IrDA interface and my
Xircom CreditCard Ethernet 10/100.
First of all, I am using Linux version 2.2.15 with the latest
IrDA patches, irda-utils 0.9.9 and version 3.1.14 of the PCMCIA
drivers.
Normally (i.e. when I do not try to use the IrDA if) the network card
driver allocates irq 3, although on the 390X the IrDA uart (16550A) is
set up by default as /dev/ttyS1 (port 0x2f8, irq 3). This means that
if I start the IrDA subsystem AFTER the network and try to attach the
IrDA interface to /dev/ttyS1, irattach will fail with an obscure
error message ("tcsetattr: Input/output error").
When I realized there was a hw conflict, I cleverly (sic!) thought of
starting the IrDA daemon and calling irattach before I started the
PCMCIA software. Now the network card driver was forced to use irq 9
and, though the IrDA interface now works fine, the network does not
any more.
Has anyone already had a similar problem? any ideas about how to
solve it?
I cross-posted this message to the Linux PCMCIA Xircom forum.
Thanks in advance for your help!
Roberto
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