On Maw, 2005-06-28 at 01:06, rolf liu wrote: > I am running 2.4.31 on db1550 with a pci multi-port board. the kernel > starts up ok. but after start-up, I can't find the corresponding > interrupt number for this board, which is irq 2. I can find the device > under /proc/devices and /proc/tty/driver, etc. So I am now sure if it > is working ok. Is there good (simple) method to test this serial port? Do something like cat /dev/ttySwhatever then look at the IRQ list. The interrupt will only be allocated while the port is in use.
