3Com 3c905 failed to attach

Nate Lawson nate at root.org
Tue Apr 13 12:01:03 PDT 2004

On Tue, 13 Apr 2004, Shizuka Kudo wrote:
> --- Nate Lawson <nate at root.org> wrote:
> > Perhaps the memory range isn't specified as contiguous resources.
> >
> > > pcib2: device xl0 requested decoded memory range 0xde000000-0xdeffffff
> > > xl0: Lazy allocation of 0x1 bytes rid 0x14 type 3 at 0xde000000
> >
> > Output from devinfo -r after booting your kernel with xl0 would help.
> I have run devinfo -r both on a working kernel at Apr 9 (devinfo-1.txt) and the kernel with xl0
> attach problem (devinfo-2.txt).
> Thanks for your help.

Yep, Warner was right.  Your card expects to talk via IO ports, not mapped

>            xl0
>                Interrupt request lines:
>                    0xa
>                I/O ports:
>                    0xa400-0xa43f

I think Warner has to go through broken devices like this and fix their
resource allocation.  His ATA patch (just committed today by sos@) is
probably an example of this.


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