From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Helgaas Subject: Re: [Fwd: Re: long-term regression - Parallel Port broken?] Date: Tue, 17 Jul 2007 16:08:26 -0600 Message-ID: <200707171608.26775.bjorn.helgaas@hp.com> References: <1183030080.4249.172.camel@queen.suse.de> <200707061038.50755.bjorn.helgaas@hp.com> <200707061520.37137.bjorn.helgaas@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Return-path: Received: from atlrel6.hp.com ([156.153.255.205]:56979 "EHLO atlrel6.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752194AbXGQWJK (ORCPT ); Tue, 17 Jul 2007 18:09:10 -0400 In-Reply-To: <200707061520.37137.bjorn.helgaas@hp.com> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: trenn@suse.de Cc: david@lang.hm, linux-acpi , Randy Dunlap On Friday 06 July 2007 03:20:36 pm Bjorn Helgaas wrote: > On Friday 06 July 2007 10:38:50 am Bjorn Helgaas wrote: > > > should I test the two individually? or just plan on useing both from now > > > on? > > > I normally disable PnP (both ISA and PCI), should I leave it enabled with > > > the newer kernels and this motherboard? > > > > Ultimately, you should have CONFIG_ACPI=y and CONFIG_PNPACPI=y, and you > > should not have to boot with "noisapnp" or "pnpacpi=off". My guess is > > that you only need "pnpacpi=off" to work around the current problem. > > > > At http://linux.lang.hm/linux, I see dmesg logs (with tons of > > kobject debug that's useless to me) from 2.6.22-rc4. It would > > be useful to have the log from 2.6.22-rc4 with "pnpacpi=off" > > (which I expect to work), so we could compare it with the > > "2.6.22-rc4.dmesg" log, which I assume a non-working one. > > > > Linux PNPACPI currently doesn't manage resources quite the same way > > Windows does, and that might account for this problem. You might > > try this: > > > > - boot without "pnpacpi=off" (leave PNPACPI enabled) > > - before loading the parport_pc driver, do this: > > # echo "disable" > /sys/devices/pnp0/00:0a/resources > > # echo "enable" > /sys/devices/pnp0/00:0a/resources > > Sorry, I meant: > > # echo "disable" > /sys/devices/pnp0/00:0a/resources > # echo "clear" > /sys/devices/pnp0/00:0a/resources > # echo "enable" > /sys/devices/pnp0/00:0a/resources Ping! David, do you still care about this issue?