From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: Slow boot due perhaps to locks in mouse and platform system Date: Tue, 14 Oct 2008 22:22:22 -0400 Message-ID: <20081014222222.4260fa48@infradead.org> References: <20081014113709.5a2f2c2e@infradead.org> <1224026249108@dmwebmail.dmwebmail.chezphil.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from casper.infradead.org ([85.118.1.10]:42351 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751091AbYJOCWR (ORCPT ); Tue, 14 Oct 2008 22:22:17 -0400 In-Reply-To: <1224026249108@dmwebmail.dmwebmail.chezphil.org> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Phil Endecott Cc: linux-input On Wed, 15 Oct 2008 00:17:29 +0100 "Phil Endecott" wrote: > > It looks to me as if uhci holds some lock that 8250 needs before it > can complete. Now those are both PCI drivers in the same way that > the last two that seemed to contend were both input drivers (touchpad > and speaker) [hmm, except that as Dmitry pointed out there's a > distinction between the platform bus and the serio bus]. Anyway, my > ignorant suspicion is that there's some lock related to the bus or > subsystem that they both need. Maybe something in sysfs? it does do this. And I know which lock... and I fixed it ;) Just the patch for this is in Gregkh's tree since it's a change to the device/sysfs layer and he wanted to carry it via that way. I can dig that patch out if you want -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org