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 828mkii Sometimes Stops Working |
 jeu. 23 nov. 2006, 04:45
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#1
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Newbie Groupe : Members Messages : 6 Inscrit : 23 nov. 06 Lieu : Berlin - DE Membre no 85,564  |
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 |
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ven. 24 nov. 2006, 00:34
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 Moderator In Chief (MIC)  Groupe : Editors Messages : 15,189 Inscrit : 23 déc. 01 Lieu : Paris - FR Membre no 2,758 |
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.
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ven. 24 nov. 2006, 16:41
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#3
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Newbie Groupe : Members Messages : 6 Inscrit : 23 nov. 06 Lieu : Berlin - DE Membre no 85,564 |
QUOTE (lepetitmartien @ Fri 24 Nov 2006, 00:34)  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. QUOTE 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... 
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ven. 24 nov. 2006, 18:18
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Moderator In Chief (MIC) Groupe : Editors Messages : 15,189 Inscrit : 23 déc. 01 Lieu : Paris - FR Membre no 2,758 |
reset the nvram like explained here:
- start up in Open firmware (command-option-o-f on start up) - at the prompt type, followed by a return: set-defaults reset-nvram reset-all It'll reboot with NVRAM back to defaults values. If the issue is a wrong bus speed somewhere, it'll cure it. Is there something else connected in firewire? -------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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ven. 24 nov. 2006, 22:58
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#5
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Newbie Groupe : Members Messages : 6 Inscrit : 23 nov. 06 Lieu : Berlin - DE Membre no 85,564 |
QUOTE (lepetitmartien @ Fri 24 Nov 2006, 18:18) reset the nvram like explained here: - start up in Open firmware (command-option-o-f on start up) - at the prompt type, followed by a return: set-defaults reset-nvram reset-all It'll reboot with NVRAM back to defaults values. If the issue is a wrong bus speed somewhere, it'll cure it. Is there something else connected in firewire? the new intel macs don't have open firmware. ;-) it happens with nothing else on any firewire port. fresh OS install (only with latest updates and logic) showed the same problem. Would be great to know if other MacPros with 828mkII (mis-)behaving the same... Ce message a été modifié par MatzeMillion - ven. 24 nov. 2006, 22:59. |
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 ven. 24 nov. 2006, 23:40
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Moderator In Chief (MIC) Groupe : Editors Messages : 15,189 Inscrit : 23 déc. 01 Lieu : Paris - FR Membre no 2,758 |
Fun is, Apple says on one hand you can have password protection in OF on intel macs, and on the other hand there's no OF in these…
 thanks I didn't now that… so how can we restore the equivalent (EFI) then? I'm going to dive into apple database as it's important for us. [edit] I found these which may be relevant (if it's on the Macpro side° Intel mac firmware updates Check yours is up to date. Reset the SMC of the MacPro reset also PRAM if it has not been done already. Once it's done or controlled, the issue can only be the driver itself (and it'd be a rare bug just for you) or the 828 mkII (which can have problems has we have already seen some). I'd strongly suspect the 828…
-------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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sam. 25 nov. 2006, 04:24
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#7
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Newbie Groupe : Members Messages : 6 Inscrit : 23 nov. 06 Lieu : Berlin - DE Membre no 85,564 |
First... thanks for getting involved!! :-)
I have the latest firmware and I did a fresh 10.4.8 install with only LogicPro and the MOTU drivers. Again loss of sound output. I tried two different 828mkII interfaces (with different firmware/bootloaders) and I had the problem with both interfaces. There is a thread in Apples forums and some people suspect the Ram causing the problems. http://discussions.apple.com/thread.jspa?t...59&tstart=0 Maybe I find time to check different configurations. QUOTE (lepetitmartien @ Fri 24 Nov 2006, 23:40) Fun is, Apple says on one hand you can have password protection in OF on intel macs, and on the other hand there's no OF in these…
thanks I didn't now that… so how can we restore the equivalent (EFI) then? I'm going to dive into apple database as it's important for us. [edit] I found these which may be relevant (if it's on the Macpro side° Intel mac firmware updates Check yours is up to date. Reset the SMC of the MacPro reset also PRAM if it has not been done already. Once it's done or controlled, the issue can only be the driver itself (and it'd be a rare bug just for you) or the 828 mkII (which can have problems has we have already seen some). I'd strongly suspect the 828… |
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sam. 25 nov. 2006, 14:02
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#8
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Moderator In Chief (MIC) Groupe : Editors Messages : 15,189 Inscrit : 23 déc. 01 Lieu : Paris - FR Membre no 2,758 |
Hey, these forums are for help
One thing you have not answered is have you something else connected in firewire? The fact 2 as different as possible 828 have the issue is smelling bad. Yep the RAM, but it'd be very "hairy" as a cause. And given the prices of it, not fun to swap just to check.
-------------------- Our Classifeds • Nos petites annonces • Terms Of Service / Conditions d'Utilisation • Forum Rules / Règles des Forums • MacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki? BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki? |
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sam. 25 nov. 2006, 14:37
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#9
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Newbie Groupe : Members Messages : 6 Inscrit : 23 nov. 06 Lieu : Berlin - DE Membre no 85,564 |
I checked many times with and without firewire HDs connected. In fact I tested the fresh install with no other hardware (only 23" Cinema HD, Mouse and Keyboard) attached to the computer. Makes no difference and the harddisks work like butter before and after loss of sound, even in a chain behind the 828.
I strongly believe its a driver related problem on MOTUs or Apples side. The ram swapping is very easy with these machine, but I really want to avoid it... QUOTE (lepetitmartien @ Sat 25 Nov 2006, 14:02) Hey, these forums are for help
One thing you have not answered is have you something else connected in firewire? The fact 2 as different as possible 828 have the issue is smelling bad. Yep the RAM, but it'd be very "hairy" as a cause. And given the prices of it, not fun to swap just to check. |
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sam. 17 févr. 2007, 17:29
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#10
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 Newbie Groupe : Members Messages : 2 Inscrit : 11 août 04 Lieu : Bow - US Membre no 48,622 |
I was wondering if a solution to this issue was ever found? My MOTU 828 Mk II has worked faithfully for years on a G5. However, I am experiencing the same issues as MatzeMillion with my factory fresh Mac Pro.
.... and I see that MOTU just posted some new drivers on Wednesday...... let see what these bring. Ce message a été modifié par rbailey - sam. 17 févr. 2007, 17:40. |
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