linux-kernel - Re: ACPI PnP on Intel MU440EX

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Message-Id: <200809162339.40330.bjorn.helgaas@hp.com>
Date:	Tue, 16 Sep 2008 23:39:39 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Martin Doucha <next_ghost@...ck.cz>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	matthieu castet <castet.matthieu@...e.fr>
Subject: Re: ACPI PnP on Intel MU440EX

On Sunday 14 September 2008 01:28:16 pm Martin Doucha wrote:
> Bjorn Helgaas wrote:
> > Thanks very much for the report.  This sounds like it could be a
> > PNPACPI issue, which I am very interested in fixing.
> >
> > Can you please turn on CONFIG_PNP_DEBUG in your .config and collect
> > the complete dmesg log with and without "pnpacpi=off"?
> >
> > I do have an "lspnp" that works with PNPACPI here:
> >   http://kernel.org/pub/linux/kernel/people/helgaas/pnputils-0.1.tar.bz2
> > but it's not widely used.  The debug information from the config
> > option above is usually more useful.
> >
> > Bjorn
> 
> I'm sorry it took me so long, here's the output of lspnp -vvv from both 
> PNPBIOS and ACPI PnP (same kernel, the only difference is pnpacpi=off 
> boot argument). I can't find any mention of my parallel port in ACPI PnP 
> output but it's the last listed device (00:15 PNP0400) in PNPBIOS output.

I don't see the parallel port either.  Can you please open a
bugzilla for this and attach the complete dmesg log and the
ACPI table dump using the instructions here:

  http://kernel.org/pub/linux/kernel/people/helgaas/debug

You can put it in the Drivers/PNP category and add me to the cc:
list.

I assume the parallel port has *never* worked with ACPI enabled,
right?

Bjorn
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