Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762679AbXFJID3 (ORCPT ); Sun, 10 Jun 2007 04:03:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761403AbXFJIDM (ORCPT ); Sun, 10 Jun 2007 04:03:12 -0400 Received: from mx34.mail.ru ([194.67.23.200]:14701 "EHLO mx27.mail.ru" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1760433AbXFJIDJ (ORCPT ); Sun, 10 Jun 2007 04:03:09 -0400 From: Andrey Borzenkov To: Bjorn Helgaas Subject: Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip Date: Sun, 10 Jun 2007 12:03:03 +0400 User-Agent: KMail/1.9.7 Cc: "Linus Walleij (LD/EAB)" , "Samuel Ortiz" , linux-kernel@vger.kernel.org, "Michal Piotrowski" , ambx1@neo.rr.com References: <200706070045.14040.arvidjaar@mail.ru> <200706071234.47517.bjorn.helgaas@hp.com> In-Reply-To: <200706071234.47517.bjorn.helgaas@hp.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart12707956.tFO8Z8YbbB"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200706101203.04649.arvidjaar@mail.ru> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2585 Lines: 71 --nextPart12707956.tFO8Z8YbbB Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Thursday 07 June 2007, Bjorn Helgaas wrote: > On Wednesday 06 June 2007 02:45:01 pm Andrey Borzenkov wrote: > > I am beginning to doubt whether drier > > works on my system at all (i.e. before PnP change); have to find time to > > test. > > In 2.6.21, smsc-ircc2 at least found the device. So we definitely have > a problem because in 2.6.22-rc, we don't find the device. > > What laptop do you have? Maybe I can find one to play with. > > I think Windows always calls _SRS, even if it doesn't need to change > the current resource settings. Linux doesn't do that, and my HP nw8240 > firmware has a bug that leaves the IR device partly-enabled until _SRS > is called. Maybe yours has a similar bug. > > Can you set CONFIG_ACPI_DEBUG=3Dy, make it so smsc-ircc2 isn't loaded > automatically, and try this (along with my previous patch to swap > FIR and SIR): > > # dmesg -n 8 > # echo 0x200 > /sys/module/acpi/parameters/debug_level > # echo disable > /sys/bus/pnp/devices/00:0a/resources > # echo activate > /sys/bus/pnp/devices/00:0a/resources > # modprobe smsc-ircc2 > > If you try this, can you collect the whole dmesg log? > well, dmesg (/var/log/messages) is around 35MB :) Even bz2 compressed it is= =20 over 700KB. I put it here:=20 http://dump.ru:80/loadfile.php?filename=3Dfir_acpi_debug.bz2&id=3D379192=20 This is from /var/log/messages. I do not have serial console and cannot=20 capture output directly; I can only hope nothing is lost at this rate. > It's also possible that some other driver like i2c is messing with > the ISA/LPC bridge configuration and breaking the IR device config. > Your lspnp output doesn't show any other ISA devices down there, > but I know i2c likes to poke around and discover things that kinda, > sorta work, but the BIOS didn't expose. > > Bjorn --nextPart12707956.tFO8Z8YbbB Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQBGa7A4R6LMutpd94wRAnbHAJoDo1eQXSQ7gKl1hp1OkX4m71kqFQCgr4LT PAy8bfiWMCdVxVnbtZAXR5U= =MC7z -----END PGP SIGNATURE----- --nextPart12707956.tFO8Z8YbbB-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/