linuxaudio.org

Am 01.02.2012 22:31, schrieb Joe Hartley:

quoted text
> On Wed, 01 Feb 2012 21:48:16 +0100

> mn0  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, 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.

> 

I know others have similar problems but found none with a solution so

far. I have exactly this tab already opened.
It crashes without clients.

Will now try jack1, if it doesn't help change slots until I have IRQs

fixed. My BIOS allows to reserve IRQs I just don't understand how that's

supposed to work:

I can choose either "PCI" or "reserved" per IRQ-number.

So...what's happening if I reserve let's say #15 ?

Anyway I'd have to check out which device is hw:0 and hw:1 again etc.

That's why I'll test jack1 first.
/mn0

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