Re: EISA ID for PnP modem and resource allocation

[Adam Belay <ambx1@neo.rr.com>]

On Thu, Jan 29, 2004 at 10:57:58AM +0400, Amit Gurdasani wrote:
> On Mon, 26 Jan 2004, Adam Belay wrote:
> 
> :On Mon, Jan 05, 2004 at 05:23:27PM +0400, Amit Gurdasani wrote:
> :> On Sun, 4 Jan 2004, Russell King wrote:
> :>
> :> :On Mon, Dec 29, 2003 at 10:50:37PM +0000, Adam Belay wrote:
> :> :> > ttyS0 at I/O 0x3f8 (irq = 0) is a 16550A
> :> :> > ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
> :> :> > ttyS2 at I/O 0x3e8 (irq = 4) is a 16550A
> :> :> > parport0: irq 7 detected
> :> :>
> :> :> Hmm, it shouldn't be reporting irq 0.  The probbing code may be confused.
> :> :> I would guess it is on irq 4.
> :> :
> :> :irq0 on x86 means "I'll use polled mode".
> :
> :It occured to me that we should probably check which resources the pnpbios is
> :reporting.  If you have a chance, could you please show me the output of this
> :hack.
> 
> Sorry about taking so long to reply.

Sorry for waiting so long to bring this up.

>
> It doesn't seem that the printk was ever called. Here are dmesg outputs with
> and without isapnptools capturing an IRQ for the ISA modem. (I'm using
> loadlin from DOS to boot Linux, incidentally. Would that make any
> difference?)
>

Hmm, it looks like something strange is going on.  Perhaps the serial driver
isn't matching to the device.  Could I see the output of the following:

#mkdir /sys
#mount -t sysfs none /sys
#cd /sys/bus/pnp/devices
#find */* | xargs cat       <------

Thanks,
Adam