From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965685AbXCGVul (ORCPT ); Wed, 7 Mar 2007 16:50:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965687AbXCGVuk (ORCPT ); Wed, 7 Mar 2007 16:50:40 -0500 Received: from ug-out-1314.google.com ([66.249.92.173]:44503 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965685AbXCGVuj (ORCPT ); Wed, 7 Mar 2007 16:50:39 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Jh2IfX2uFt8DGl4D4I4OvVG8GRfyepBP7eNlzfhLBrsblVLIl6xvzbvDiC6P8xk+unlhJpCFTrMGNcXbmZXBYUDg/GS6ugjxjr7QWpn/AZNrnRgdeWwGOem/7tMd0/X1brSzzngiVjSPPsxuu3uheuRelkfrQBcDsZUtHNW7XS4= Message-ID: Date: Wed, 7 Mar 2007 16:50:33 -0500 From: "Dmitry Torokhov" To: "Ash Milsted" Subject: Re: 2.6.21-rc2 regression vs. 2.6.20: AT keyboard only works with pci=noacpi Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, torvalds@linux-foundation.org In-Reply-To: <20070307212534.325f2f32.thatistosayiseenem@gawab.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070303151424.3b08c33e.thatistosayiseenem@gawab.com> <20070304142350.7c3c79af.thatistosayiseenem@gawab.com> <20070307120004.0bab0f76.thatistosayiseenem@gawab.com> <20070307212534.325f2f32.thatistosayiseenem@gawab.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 3/7/07, Ash Milsted wrote: > On Wed, 7 Mar 2007 12:00:04 +0000 > Ash Milsted wrote: > > > On Sun, 4 Mar 2007 14:23:50 +0000 > > Ash Milsted wrote: > > > > > On Sat, 3 Mar 2007 15:14:24 +0000 > > > Ash Milsted wrote: > > > > > > > Hi, > > > > With 2.6.21-rc2-git1 I have a problem with my ps/2 port keyboard - it only works > > > > with one of the following on the command-line: > > > > - nolapic > > > > - irqfixup > > > > - pci=noacpi > > > > Otherwise it gets stuck with the numlock on. > > > > The following options have no effect: > > > > - nohz=off (who knows eh?) > > > > - pci=nomsi > > > > > > snip > > > > > > > > Ash > > > > > > Just checked 2.6.21-rc2-mm1, still has the problem. > > > Also, acpi=noirq fixes it too. > > > To clarify, the problem is that my ps/2 port keyboard is completely frozen > > > on boot - usually it gets activated when udev probes for hardware (my kernel > > > config is highly modular). It worked fine with 2.6.20 and earlier with acpi > > > taking care of interrupt routing. > > > > > > Ash > > > > Any thoughts on this? It still occurs with 2.6.21-rc3. Here's my config > > in case that helps. You'll see that I have swap-prefetch patched in (I > > also have RDSL and some VM changes in there), but I have confirmed that > > the problem occurs with no extra patches. By the way, I tested mm1 with > > a rather different config (I used my distro package) and still saw the > > problem. > > > > Also, you should probably ignore that bit above where I suggest the > > keyboard driver is being loaded as a module, because of course it > > isn't.. Yet it does start responding (with pci=noacpi) at about that > > time that udev does its thing. > > > schnip > > So, I tracked this down to 2.6.21-git7, the first snapshot that gives me > this problem. Tellingly it does contain an input tree merge. I would git bisect > but I don't have a local copy of the tree - I tried to get one, but it stopped > halfway through the clone, probably because I had to use http... So, I hope that > helps. > Hm, that is strange... 2.6.20-rc7 has i8042 AUX IRQ delivery test fix and fix for panic blink, both shoudl not really affect your keyboard. Can I please get full dmesg of boot with "i8042.debug log_buf_len=131072"? -- Dmitry