irda-utils also locks up the kernel here when running the init script. so far 
i've figured out the following:
*) the infrared device is on serial port /dev/ttyS1 (irq 3, ioports 0x2f8-0x2ff)
*) it's caused by irattach. running "irattach /dev/ttyS1 -s" manually also 
locks up the kernel
*) i have an SMsC LPC47N217 SuperIO controller, which, if i'm correct, should 
work with the smsc-ircc2 module, but loading this module fails with the error:
[code]FATAL: Error inserting smsc_ircc2 
(/lib/modules/2.6.17-8-generic/kernel/drivers/net/irda/smsc-ircc2.ko): No such 
device[/code]
*) the device id from /sys/devices/pnp0/00:07/id is PNP0510
*) /sys/devices/pnp0/00:07/resources claims the device is disabled. echoing 
'enable' in it doesn't do anything, echoing 'activate' in it gives the 
following error:
[code]-su: echo: write error: Input/output error[/code]

I'm now running ubuntu edgy, but this same issue was already around in
dapper too.

-- 
Starting irda-utils lock up the kernel.
https://launchpad.net/bugs/43112

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