Re: [LAU] Multiple ICE1712 cards setup with jack2

From: Stéphane Letz <letz@email-addr-hidden>
Date: Wed Feb 01 2012 - 23:56:39 EET

>
> Message: 23
> Date: Wed, 1 Feb 2012 16:31:28 -0500
> From: Joe Hartley <jh@email-addr-hidden>
> Subject: Re: [LAU] Multiple ICE1712 cards setup with jack2
> To: linux-audio-user@email-addr-hidden
> Message-ID: <20120201163128.7f5ca69bcd62e4fb3dae49ce@email-addr-hidden>
> Content-Type: text/plain; charset=US-ASCII
>
> On Wed, 01 Feb 2012 21:48:16 +0100
> mn0 <mn0@email-addr-hidden-up.de> wrote:
>
>>> Hope this helps, or at least gives you a starting point for troubleshooting.
>> Oh yes, I found the shared IRQs and I know for certain, it's possible to
>> use jack 1.9.7 with .asoundrc and two ICE1712.
>
> While I agree that the Jack: JackGraphManager::AssertPort error would seem
> to be some sort of pointer issue,

For this specific issue, please test with latest SVN (1.9.9)

> odd things happen when the hardware
> configuration is less-than-stable. Sharing an IRQ with both a SATA and
> a USB controller sets up a situation where I can odd things happening.
>
> Changing slots is one wat of getting a different IRQ; your motherboard
> may also have a way of setting or reserving IRQs in its BIOS. I recall
> having to try a few different slots before the cards got unique IRQs.
>
> I did some searching, and found that you're not the only one with a
> similar issue. This user had different hardware but very similar
> errors: http://ubuntuforums.org/showthread.php?t=1580566
>
> One last thing to check, based on my searches - the AssertPort error
> has been associated with some plugins. You haven't mentioned a client
> program, so I'm not sure if jack dies before you can start one, or if
> there's a correlation here. If the errors actually happen after you
> start something like Ardour, I'd see what happens if you disable the
> plugins. There are some that will absolutely hammer my system every
> time I try to use them. They might be from the C* set, but I really
> can't remember off the top of my head.
>

Stéphane
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Received on Thu Feb 2 00:15:03 2012

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