[Gllug] set serial port irq

Ben Fitzgerald ben_m_f at yahoo.co.uk
Mon Apr 19 15:10:17 UTC 2004


On Mon, Apr 19, 2004 at 03:49:46PM +0100, Doug Winter wrote:
> On Mon 19 Apr Ben Fitzgerald wrote:
> > So it picks it up fine, only I beleive it doesn't register the 
> > device in /proc/interrupts because there was no cable attached
> > at boot. What I wondered was could I get that entry into
> > /proc/interrupts so the kernel knows about com1 without
> > rebooting so I can use to to make a connection over a null
> > modem.
> 
> It should just work.  Why do you think you need to reboot?

Okay, I'm getting somewhere. When I start minicom the irq
does appear in /proc/interrupts.

Box 1:
4: IO-APIC-edge
Box 2:
4: XT-PIC 

I'm connecting using minicom from box 1 to mgetty on box 2.
I don't get a login: prompt!
Typing AT<cr> doesn't get a response either.

As I said before, any help on where to look is.

Thanks,

Ben
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