Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752531AbWL2MpK (ORCPT ); Fri, 29 Dec 2006 07:45:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752628AbWL2MpK (ORCPT ); Fri, 29 Dec 2006 07:45:10 -0500 Received: from smtp23.orange.fr ([193.252.22.30]:36852 "EHLO smtp23.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752531AbWL2MpI (ORCPT ); Fri, 29 Dec 2006 07:45:08 -0500 X-ME-UUID: 20061229124505443.6C27270000A0@mwinf2328.orange.fr Message-ID: <45950DD1.2010208@free.fr> Date: Fri, 29 Dec 2006 13:45:05 +0100 From: Laurent Riffard User-Agent: Mozilla/5.0 (X11; U; Linux i686; fr-FR; rv:1.8.0.7) Gecko/20060405 SeaMonkey/1.0.5 MIME-Version: 1.0 To: Dmitry Torokhov Cc: Rene Herman , Dave Jones , Linux Kernel Subject: Re: [BUG 2.6.20-rc2] atkbd.c: Spurious ACK References: <4592E685.5000602@gmail.com> <200612290000.12791.dtor@insightbb.com> <4594A4DC.5090404@gmail.com> <200612290028.01531.dtor@insightbb.com> <4594ADAD.1030400@gmail.com> In-Reply-To: <4594ADAD.1030400@gmail.com> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2559 Lines: 66 Le 29.12.2006 06:54, Rene Herman a ?crit : > Dmitry Torokhov wrote: > >> On Friday 29 December 2006 00:17, Rene Herman wrote: > >>> Yes, I do have that in my tree. From the looks of it it's probably >>> not surprising, but the following gets me blinking leds without the >>> spurious ACK messages. Maybe still useful to know? >>> >>> diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c >>> index debe944..9c70d34 100644 >>> --- a/drivers/input/serio/i8042.c >>> +++ b/drivers/input/serio/i8042.c >>> @@ -371,7 +371,7 @@ static irqreturn_t i8042_interrupt(int i >>> if (unlikely(i8042_suppress_kbd_ack)) >>> if (port_no == I8042_KBD_PORT_NO && >>> (data == 0xfa || data == 0xfe)) { >>> - i8042_suppress_kbd_ack = 0; >>> + /* i8042_suppress_kbd_ack = 0; */ >>> goto out; >> >> That would indicate that your keyboard generates multiple acks... I >> wonder >> if you could boot with i8042.debug=1 and somehow capture the data flow >> during panic (do you have a digital camera?). > > Not even an analog camera, but with or without the above, I get a single: > > " <7>drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [ 902]" > > when it panics. During a full boot, I get: > > === [snip] > === > > Rene. > Dmitry, How about this output? (got this after a kernel panic) ==== drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35172] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35172] atkbd.c: Spurious ACK on isa0060/serio0. Some program might be trying access hardware directly. drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35296] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35297] atkbd.c: Spurious ACK on isa0060/serio0. Some program might be trying access hardware directly. drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35420] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35421] atkbd.c: Spurious ACK on isa0060/serio0. Some program might be trying access hardware directly. drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35544] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 0, 1) [35545] atkbd.c: Spurious ACK on isa0060/serio0. Some program might be trying access hardware directly. === ~~ laurent - 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/