From: Lee Revell <rlrevell@joe-job.com>
To: Jens Axboe <axboe@suse.de>
Cc: gundolfk@web.de, Christoph Bartelmus <lirc@bartelmus.de>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: IRQ blocking when reading audio CDs
Date: Tue, 28 Sep 2004 15:21:22 -0400 [thread overview]
Message-ID: <1096399282.2852.24.camel@krustophenia.net> (raw)
In-Reply-To: <20040927055234.GA2288@suse.de>
On Mon, 2004-09-27 at 01:52, Jens Axboe wrote:
> On Sun, Sep 26 2004, Gundolf Kiefer wrote:
> > Dear Jens (& Christoph),
> >
> > on my media PC (a Pentium II 350 MHz running Debian Woody with Kernel
> > 2.4.25), I have problems using LIRC 0.6.6 with a serial IR reveiver when at
> > the same time some application (cdparanoia, xmms/Audio CD reader) is
> > reading audio data from a CD.
>
> Upgrade to 2.6, it can use DMA for cdda extraction. If you cannot for
> some reason, Andrew had an ide-cd hack to enable dma in 2.4 for this.
Seems like it should also work in PIO mode as long as unmask_irq is set.
Lee
next prev parent reply other threads:[~2004-09-28 19:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-26 12:08 IRQ blocking when reading audio CDs Gundolf Kiefer
2004-09-27 5:52 ` Jens Axboe
2004-09-28 19:21 ` Lee Revell [this message]
2004-09-29 18:46 ` Gundolf Kiefer
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