From: Clemens Ladisch <clemens@ladisch.de>
To: "Robert M. Stockmann" <stock@stokkie.net>
Cc: Robert Hancock <hancockr@shaw.ca>, linux-kernel@vger.kernel.org
Subject: Re: libata, Sound on same IRQ : flaky sound
Date: Fri, 29 Aug 2008 14:57:01 +0200 [thread overview]
Message-ID: <48B7F21D.5070509@ladisch.de> (raw)
In-Reply-To: <Pine.LNX.4.44.0808281918150.19541-100000@hubble.stokkie.net>
Robert M. Stockmann wrote:
> On Thu, 28 Aug 2008, Robert Hancock wrote:
> > Robert M. Stockmann wrote:
> > > How about giving your sound device a proper seperate IRQ number?
> > > At least libata should like eth0 have its own kernel resources.
> >
> > That's an issue with the way the motherboard IRQ lines are wired.
> > There's nothing the kernel can do about it.
>
> That sounds rather strange to me, as IRQ line 16 is a virtual
> IRQ as part of IO-APIC.
The IRQ isn't virtual; in IO-APIC mode, all PCI interrupts (PCI cards
and internal PCI devices) are hard-wired to certain interrupt vectors.
Regards,
Clemens
next prev parent reply other threads:[~2008-08-29 15:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.t59JCw5e/IAg/3vXyG2sheD1AnE@ifi.uio.no>
2008-08-28 14:41 ` libata, Sound on same IRQ : flaky sound Robert Hancock
2008-08-28 17:27 ` Robert M. Stockmann
2008-08-29 12:57 ` Clemens Ladisch [this message]
2008-08-28 0:06 Robert M. Stockmann
2008-08-28 0:59 ` Jeff Garzik
2008-08-28 1:30 ` Robert M. Stockmann
2008-08-28 7:57 ` el es
2008-08-28 16:33 ` James Ausmus
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