[ardour-users] ICE1712 Problems

Paul Davis paul at linuxaudiosystems.com
Mon Jul 18 12:51:22 PDT 2005

> 14:11:41.927 /usr/local/bin/jackd -R -dalsa -r44100

how did you install JACK? tarball, emerge or something else?

> -p1024 -n2 -D -Chw:0 -Phw:0 -i4 -o4 -zs
> 14:11:41.938 JACK was started with PID=3524 (0xdc4).
> cannot write to jackstart sync pipe 4 (Bad file
> descriptor)

why are you using -i4 and -o4?

> It works when I use default for the device.
> When I try default at 88200 or 96000 I get literally
> hundreds of xruns without even running audio sofware. 

i am not suprised. running at these sample rates without realtime
support is always going to do that.

> Is there any thing I can do or should I return this
> card and go back to Pro Tools?  I read some stuff

there is nothing wrong the card, and from what i read, protools should
support it too (given that they now own m-audio). or will soon. 

> about Interrupt sharing and PCI timming or something
> like that, but I'm an audio engineer, not a computer
> wiz.  I know the higher the IRQ Priority the better
> (from the Planet CCRMA site) but it doesn't say how to
> change those!

on most systems these days, the only way is to physically move the card.
IRQ's tend to be assigned by physical slot at this point in time. there
are few BIOS setup screens that will let you change it, but not many.

> Sorry for being so uptight, but I have projects for
> other people I am doing, not just me.  And all I have
> encountered so far after my complete switch from Pro
> Tools is problems, which in turn is putting me way
> behind on the Mixes and Recordings I need to get done.

with all due respect, switching to a new tool in order to complete pre-
existing work is a terrible idea whether you are a software engineer or
a music engineer. if you have a pre-existing DAW setup that works, you
should *never* abandon it for another system, whether its Ardour, DP4,
Nuendo or whatever. i would never dump gcc3 (a software compiler) to
move to gcc4 - i would plan a migration from one to the other once i
establish that the new tool can do what the old one did.

> of 24 hours trying to get this thing running right. 
> The mailing list was my last resort.

always make the mailing list your first resort. if possible, show up on
IRC, for more interactive assistance from a variety of people.


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