linux-kernel - Re: 2.6.18-rc5-mm1

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Date:	Fri, 1 Sep 2006 21:33:35 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Grant Coady <gcoady.lk@...il.com>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc5-mm1

On Friday 01 September 2006 21:12, Dmitry Torokhov wrote:
> On Friday 01 September 2006 21:06, Grant Coady wrote:
> > On Fri, 1 Sep 2006 01:58:18 -0700, Andrew Morton <akpm@...l.org> wrote:
> > 
> > >
> > >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc5/2.6.18-rc5-mm1/
> > ...
> > >- See the `hot-fixes' directory for any important updates to this patchset.
> > >
> > Okay, I applied hotfixes and it crashed on boot, keyboard LEDs flashing:
> > 
> > Repeating message, hand copied:
> > atkbd.c: Spurious ACK in isa0060/serio0. Some program might be trying access 
> > hardware directly.
> > 
> 
> Please try booting with i8042.panicblink=0 to see the real oops (important
> data).

.. or try the patch below.

-- 
Dmitry


Input: i8042 - disable keyboard port when panicking and blinking

This should get rid of "spurious ACK" messages from atkbd driver
during panic.

Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
---

 drivers/input/serio/i8042.c |    7 +++++++
 1 files changed, 7 insertions(+)

Index: work/drivers/input/serio/i8042.c
===================================================================
--- work.orig/drivers/input/serio/i8042.c
+++ work/drivers/input/serio/i8042.c
@@ -836,9 +836,16 @@ static long i8042_panic_blink(long count
 	 */
 	if (!i8042_blink_frequency)
 		return 0;
+
 	if (count - last_blink < i8042_blink_frequency)
 		return 0;
 
+	/*
+	 * Disable keyboard port so ATKBD won't fill logs with
+	 * "spurious ACK" messages
+	 */
+	i8042_ports[I8042_KBD_PORT_NO].exists = 0;
+
 	led ^= 0x01 | 0x04;
 	while (i8042_read_status() & I8042_STR_IBF)
 		DELAY;

-- 
VGER BF report: H 0
-
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