Lauri Kasanen schreef:
>> Hi,
>> I think this is for this list, if not please redirect me to the proper list.
>> I have 4 serial ports in my embedded PC. /dev/ttyS0 and /dev/ttyS1 work
>> fine, but /dev/ttyS2 and /dev/ttyS3 don't work. In the BIOS I found that
>> those ports have "non-standard" interrupts : 11 and 10. Since I need
>> ttyS3 for the touchscreen this is rather important.
>> How can I set those ? I think this belongs to the udev rules but I don't
>> know how to do this. Any pointers ?
>> I could set those ports to "standard" interrupts in the BIOS but I would
>> rather not.
>> Regards,
>> Koenraad Lelong.
>
> Have you enabled 4 serial ports in your kernel? I have put the max to two
> so boot will be faster when not even trying to probe those ports..
>
> Check dmesg | grep tty
> if your kernel recognizes the ports.
>
> Lauri Kasanen
>
That's not the problem, when booting they appear on the screen (what
does dislay this, kernel, udev, ... ?), but with "standard" interrupts :
4 and 3, I think (same as ttyS0 and ttyS1).
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