Subject: Re: ex0: couldn't map interrupt
To: Jeremy C. Reed <>
From: Manuel Bouyer <>
List: tech-kern
Date: 02/07/2003 23:51:56
On Fri, Feb 07, 2003 at 12:14:03PM -0800, Jeremy C. Reed wrote:
> I am using netbsd-1-6 kernel (as of yesterday's source) under i386.
> I received:
>    ex0 at pci0 dev 18 function 0: 3Com 3c900-TPO Ethernet (rev. 0x0)
>    pci_intr_map: no mapping for pin A (line=ff)
>    ex0: couldn't map interrupt
> I read a posting saying this may mean that the system firmware didn't
> configure an interupt for the device.
> The card does work under another operating system.
> I use this NIC successfully with NetBSD/i386 1.5.3 many times. Scratch
> that ... now under 1.5.3 I receive the same message without "(line=ff)"
> part though.
> Does this mean that the NIC is going bad?

Did you check your BIOS options (make sure nothing is disabled, and
PnP OS is set to no) ?

Manuel Bouyer <>
     NetBSD: 24 ans d'experience feront toujours la difference