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Date: Tue, 9 Sep 2008 10:34:46 -0600
From: Bjorn Helgaas <bjorn.helgaas@...com>
To: Martin Doucha <next_ghost@...ck.cz>
Cc: linux-kernel@...r.kernel.org,
matthieu castet <castet.matthieu@...e.fr>, next_ghost@...ck.cz
Subject: Re: ACPI PnP on Intel MU440EX
On Sunday 31 August 2008 07:22:52 am Martin Doucha wrote:
> I have trouble with ACPI PnP on one of my machines (Intel MU440EX
> motherboard made in '98). ACPI PnP doesn't detect built-in parallel port
> (PNPBIOS does and the port works because I use it to print regularly). I
> know that I can turn ACPI PnP off by editing .config or using
> pnpacpi=off boot parameter. I just want to report this problem before
> PNPBIOS support is dropped (as written in kernel docs).
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
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