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Message-ID: <20090123091337.GA4296@elf.ucw.cz> Date: Fri, 23 Jan 2009 10:13:37 +0100 From: Pavel Machek <pavel@...e.cz> To: Frans Pop <elendil@...net.nl> Cc: linux-kernel@...r.kernel.org Subject: Re: HP accelerometer driver: testers wanted On Fri 2009-01-23 09:59:25, Frans Pop wrote: > 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. Yes, it works as designed. Change if (1 || into if (0) and you'll get 20 second timeouts. (It initially asks for 20 seconds to give itself time for those other calculations.) Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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