[LAU] Multiple ICE1712 cards setup with jack2

[mn0]

I nearly forgot to test before messing around with my IRQs:
Same situation with 1.9.9 as with jack1: Not crashing any more, but
xruns=x(y);
y is growing rapidly.

/mn0



Am 01.02.2012 22:56, schrieb Stéphane Letz:
>>
>> Message: 23
>> Date: Wed, 1 Feb 2012 16:31:28 -0500
>> From: Joe Hartley <jh at brainiac.com>
>> Subject: Re: [LAU] Multiple ICE1712 cards setup with jack2
>> To: linux-audio-user at lists.linuxaudio.org
>> Message-ID: <20120201163128.7f5ca69bcd62e4fb3dae49ce at brainiac.com>
>> Content-Type: text/plain; charset=US-ASCII
>>
>> On Wed, 01 Feb 2012 21:48:16 +0100
>> mn0 <mn0 at fukked-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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