From: Jens Axboe <axboe@suse.de>
To: Dave Jones <davej@codemonkey.org.uk>,
vojtech@suse.cz, Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: PS2 mouse going nuts during cdparanoia session.
Date: Wed, 16 Jul 2003 19:03:52 +0200 [thread overview]
Message-ID: <20030716170352.GJ833@suse.de> (raw)
In-Reply-To: <20030716165701.GA21896@suse.de>
On Wed, Jul 16 2003, Dave Jones wrote:
> I've decided to oggify my CD collection, and every now and
> again, the mouse pointer goes bezerk is if I had been
> shaking it around and randomly clicking on things.
> In the logs are lots of..
>
> psmouse.c: Lost synchronization, throwing 3 bytes away.
>
> It only happens whilst cdparanoia is reading from the CD.
> The IDE CD drive is using DMA, and interrupts are unmasked.
> according to the logs, its happened 32 times since I last
> booted.. /proc/interrupts shows that the i8042 is using
> a different interrupt to the IDE devices..
>
> Mouse is a logitech wheely PS/2 mouse, using ImPS/2 protocol
> in X config reading from /dev/psaux.
>
> This is using 2.6test1, I'don't recall ever seeing this
> happen in 2.4, but it did occur for a while earlier in 2.5,
> and I forgot about it until now.
>
> Any ideas?
Yes. You can try and make the situation a little better by unmasking
interrupts with -u1. Or you can try and use a ripper that actually uses
SG_IO, that way you can use dma (and zero copy) for the rips. That will
be lots more smooth.
--
Jens Axboe
next prev parent reply other threads:[~2003-07-16 16:49 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-16 16:57 PS2 mouse going nuts during cdparanoia session Dave Jones
2003-07-16 17:03 ` Jens Axboe [this message]
2003-07-16 17:09 ` Dave Jones
2003-07-16 17:13 ` Jens Axboe
2003-07-16 17:20 ` Dave Jones
2003-07-16 17:24 ` Jens Axboe
2003-07-16 17:21 ` Markus Plail
2003-07-16 17:10 ` Alan Cox
2003-07-16 17:16 ` Jens Axboe
2003-07-16 17:23 ` Dave Jones
2003-07-16 17:25 ` Jens Axboe
2003-07-16 17:28 ` Dave Jones
2003-07-16 17:31 ` Jens Axboe
2003-07-16 18:22 ` Alan Cox
2003-07-16 19:03 ` Kristofer T. Karas
2003-07-16 19:13 ` Valdis.Kletnieks
2003-07-16 19:00 ` Vojtech Pavlik
2003-07-16 19:30 ` Dave Jones
2003-07-16 20:53 ` Vojtech Pavlik
2003-07-16 23:31 ` Dave Jones
2003-07-16 23:47 ` Vojtech Pavlik
2003-07-17 11:15 ` Alan Cox
2003-07-17 17:08 ` Dave Jones
2003-07-16 18:00 ` Andrew Morton
2003-07-16 18:56 ` Vojtech Pavlik
2003-07-16 21:05 ` Andries Brouwer
2003-07-16 17:10 ` Valdis.Kletnieks
2003-07-16 17:17 ` Jens Axboe
2003-07-16 17:55 ` Dave Jones
2003-07-16 17:57 ` Jens Axboe
[not found] ` <1058422511.1164.1440.camel@workshop.saharacpt.lan>
2003-07-17 12:39 ` Dave Jones
2003-07-16 23:43 Mikael Pettersson
2003-07-17 2:03 ` Jacek Kawa
2003-07-17 21:44 ` Jacek Kawa
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