linux-kernel - Re: HP accelerometer driver: testers wanted

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Date:	Fri, 23 Jan 2009 09:59:25 +0100
From:	Frans Pop <elendil@...net.nl>
To:	Pavel Machek <pavel@...e.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: HP accelerometer driver: testers wanted

On Friday 23 January 2009, Frans Pop wrote:
> The LED lights up yellow, but I have problems telling if the disk gets
> parked or not. One time I got a green led and seemingly a fair amount
> of activity immediately after getting the yellow led.
>
> After looking at hpfall.c, I checked /sys/block/sda/device/unload_heads
> after a drop:
> $ cat /sys/block/sda/device/unload_heads
> 19616
> $ cat /sys/block/sda/device/unload_heads
> 0
>
> The last was at most 2 seconds after the first, certainly not 20...

I've just looked at hpcall.c a bit closer and I guess that's because of 
the alarm(2) call? I must admit having some problems reading that code.
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