828mkii Sometimes Stops Working Options

[MatzeMillion]

Hi everyone,

I have a strange problem with an 828mkII and a MacPro. Sometimes after closing an application with motu sound output (logic, a game, quicktime, etc) the interface stops working. Its still avaliable, but don't play back any sound. Only way to get sound back is a restart.

It does happen only with a MacPro. With an Intel MacMini, a MacBook Pro and Powerbook G4 evertything is fine.
I tried a complete reinstall, other cable, removing other devices, factory reset, unplugging / reconnecting, switching on/off, unloading/loading kernel extensions, booting the MacPro via firewire from a MacBook Pro, tried an other 828mkII interface, etc.
Nothing helps.

When it happens, the MOTU Midi interface is greyed out in Audio-Midi-Config.
Quicktime is hanging like 10sec when trying to play back sound.

Is there anyone with same problem or with a MacPro and no problems?

Thanks for any reply!!

Matthias


MacPro 2,66 GHz, 5GB Ram, X1900XT, OS X 10.4.8, MOTU 828mkII with 1.4.2 driver, LogicPro 7.2.3, Waves 5.9.1 with iLok, Midisport 2x2

[lepetitmartien]

Have you tried a reset of the 828?

Now first time we hear about your problem on a macpro. Now it may only be a fantasy of the 828 or a bug in the driver. We need other inputs.

[MatzeMillion]

Have you tried a reset of the 828?

Now first time we hear about your problem on a macpro. Now it may only be a fantasy of the 828 or a bug in the driver. We need other inputs.

I tried a reset. Got this (standard?) troubleshooting advice from MOTU support, but nothing helped.

Please try the following for your 828 mk II interface:

- Try a factory reset - push the Setup knob, turn it all the way to the right and follow the directions on the LCD.
- Try setting both your Optical Input and Optical Output in the MOTU Console to ADAT.
- Try a different Firewire cable.
- Try removing all other Firewire devices.
- Try different Firewire ports.
- Try toggling the red voltage switch on the right side of the unit with the unit OFF. Do this 5 or 6 times, then set it to the correct position and try again.
- Try the unit with a different computer, if possible.
- If you use a PCI Firewire card, check to make sure your card uses the Texas Instruments or Lucent chipset.
- Try reinstalling drivers:

Goto Macintosh HD > System > Library > Extensions
and trash the file, "MOTU Firewire Audio.kext."

Go into the Applications folder and trash all 3 MOTU Consoles. Empty the trash.

Reboot your machine, run a Repair Disk Permissions from your Apple Disk Utility, then reinstall our most recent drivers
from our website being sure that unit is NOT turned on.
Reboot and turn on your device.

I'm just again installing a fresh system 10.4.8 with only the motu drivers installed. Knock on wood...