Message-ID: <521DF6F2.9090200@xs4all.nl>
Date: Wed, 28 Aug 2013 15:11:14 +0200
From: Udo van den Heuvel <udovdh@xs4all.nl>
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To: Andreas Mohr <andi@lisas.de>
CC: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: weird keyboard issue (ps/2 port?) 3.9.x/3.10.x?
References: <20130827174156.GA19152@rhlx01.hs-esslingen.de>
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On 2013-08-27 19:41, Andreas Mohr wrote:
>> What could this be?
>> Is it really a software issue?
>> If so: how could I help fix this?
> 
> Perhaps watching the output of some input event tools could help
> gather some clues to eventually get it nailed down?

Sure.
First my input:

When I run this small script to fix the irq issue, I see that also the
stream of ^@^@^@ stops (or at least appears to do so), when those ^@^@^@
were active:

service motion stop
rmmod pwc
echo 0000:00:13.0 >/sys/bus/pci/drivers/ohci_hcd/unbind
echo 0000:00:13.0 >/sys/bus/pci/drivers/ohci_hcd/bind
modprobe pwc
service motion start

> Some candidates:
> 
> evtest - utility to monitor Linux input device events
> input-utils - utilities for the input layer of the Linux kernel
> xinput - Runtime configuration and test of XInput devices

I'll look into these!

> And what do /proc/interrupts counts say? Does PS/2 (i8042) generate events?

Currently it does. But I must see what happens when all is quiet, and
the problem reappears, right?

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