Re: Cannot use iwi(4): "could not load firmware iwi_bss"

Hi Kevin,

Sorry for this late reply.

On Mon, Jul 23, 2007 at 01:13:26PM -0700, Kevin Oberman wrote:
> > Date: Mon, 23 Jul 2007 22:00:21 +0200
> > From: Jeremie Le Hen <jeremie_at_le-hen.org>
> > Sender: owner-freebsd-current_at_freebsd.org
> > 
> > On Mon, Jul 23, 2007 at 11:16:00AM -0400, John Baldwin wrote:
> > > On Friday 20 July 2007 07:21:00 pm Jeremie Le Hen wrote:
> > > > Ok, I've tried with ACPI enabled and I confirm that iwi(4) can
> > > > successfully load its firmware in this case.  Unfortunately psm(4)
> > > > doesn't work so this is not an option for me.
> > > 
> > > Can you get verbose dmesg's both with and without ACPI?
> > 
> > I've not attached them as verbose dmesgs are quite huge, you can get
> > them here.
> > 
> > With ACPI (psm(4) doesn't work, iwi(4) does):
> > http://tataz.chchile.org/~tataz/tmp/dmesg.with_acpi.gz
> > 
> > Without ACPI (hint.acpi.0.disabled="1", psm(4) works, iwi(4) doesn't):
> > http://tataz.chchile.org/~tataz/tmp/dmesg.without_acpi.gz
> > 
> > Note that I've manually loaded iwi_bss and if_iwi modules from root
> > prompt.
> 
> I have a very similar problem when I load drivers at the boot prompt (or
> did you mean "root"?)

I meant "root" prompt :-).

> If you look at your dmesg (verbose not needed). I suspect that you will
> se that there is no interrupt assigned to psm. If you are loading them
> before the probe, try booting with ACPI and boot to single user (boot
> -s). Hit Enter to get a shell prompt and load the needed modules
> (kldload). Then exit to move to multi-user. I bet everything works.
> 
> I found that my system fails to assign an interrupt to psm if I have the
> module loaded before I probe I/O devices.

I wished to try this but unfortunately psm(4) doesn't seem to be
available as a module.

# cd /sys/modules
# grep -rl psm\\.c .
#

> jhb suggested an approach to fixing this, but I have not gotten around
> to trying it.

Could you point out this please?

Thank you.
Best regards,
-- 
Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >