Posts:
21
Registered:
Jan 13, 2009
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NVDA(OpenGL): Channel exception!
Posted:
Feb 22, 2009 5:22 PM
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I have the error above on the intel iMac 24" when running Second Life.
Error lines from syslog can be:
avalon-3 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
avalon-3 kernel[0]: 0000000b
and
avalon-3 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
Feb 23 01:53:22 avalon-3 kernel[0]: 0000000b
If this happens SL is going to freeze up and die
Hardware failure?
OSX bug?
Application bug?
iMac 24" Intel Core 2 Duo 2.16 GHz
Mac OS X (10.5.6)
NVIDIA GeForce 7300 GT
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Posts:
2,251
From:
Santa Clara, CA
Registered:
Dec 29, 2007
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Re: NVDA(OpenGL): Channel exception!
Posted:
Feb 22, 2009 5:45 PM
in response to: Witch
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I would recommend you read the following Apple article about Kernel panics:
http://support.apple.com/kb/HT1392
They can also be cause by memory errors, try the solutions provided in the article and then report back. If you can provide additional details about your iMac that might be helpful such as how much memory it has, who installed it and what brand of memory and how frequently you get the error are all useful clues.
Imac Mid 2007 2.8 Core 2 Duo
Mac OS X (10.5.6)
LaCie 320, 500 and 750 Quadra D2's, iPod, Airport Extreme, Airport Express
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Posts:
6,591
From:
Modesto, Calif. USA
Registered:
Aug 17, 2006
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Re: NVDA(OpenGL): Channel exception!
Posted:
Feb 22, 2009 6:37 PM
in response to: Witch
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also see The X Lab article > Resolving Kernel Panics
17" Early 2006 Core Duo - 2GB RAM -
Mac OS X (10.5.6)
- Maxtor FireWire HD's - WD Passport HD - Epson - 80GB Classic - 2GB Nano
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Posts:
21
Registered:
Jan 13, 2009
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Re: NVDA(OpenGL): Channel exception!
Posted:
Mar 1, 2009 5:48 PM
in response to: rkaufmann87
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I do not have kernel panics. Only the application freezes and sometimes some parts of screen look strange but are recoverable after closing second life application.
Hardware test says all is okay.
Computer is iMac 6.1 Intel Core Duo 2.16 GHz with 24''
Mem 2 x 1025 MB DDR2 667 MHz
SMV-Version 1.10F2
Video Nvidia Geoforce 7300 GT VRAM 128 MB
I use USB keyboard (the other things like TV stick and Firewire disk have no effect.
Before I upgraded to OS X 10.5 Second Life caused kernel panics or froze system totally, but now does not.
I use smcFanControl as else the iMac gets way too hot when running Second Life (without increasing Fan speed on its own).
I can watch Video, use any other application (have no graphic games using OpenGL though) wihtotu any problem.
It is only Second Life (SL), which is using OpenGL and hanging with the reported error in system.log
SL programmers blame Apple, I do not now whom to blame. But as SL caused system crashes when using 10.4 I guess it is a Mac problem with open GL or the Nvidia graphic cards in the iMacs. People having Ati Graphic cards seem to have no problem with SL and OpenGL.
Mac 6.1 Intel Core Duo 2.16 GHz with 24''
Mac OS X (10.5.6)
Video Nvidia Geoforce 7300 GT VRAM 128 MB
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Posts:
19
Registered:
May 4, 2006
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Re: NVDA(OpenGL): Channel exception!
Posted:
Mar 2, 2009 7:43 AM
in response to: Witch
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I get the same issue on my machine every time I wake it from sleep. The screen goes all pixelated, and I have to power down because all keyboard and mouse functions are useless.
MacPro/G5
Mac OS X (10.4.6)
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Posts:
4
From:
Earth
Registered:
Jul 9, 2008
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Re: NVDA(OpenGL): Channel exception!
Posted:
Apr 9, 2009 9:27 PM
in response to: Witch
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I get the same error in the logs, accompanied by junk on screen, the odd pause, etc.
GEnerally, whenever I try to do anything game-wise.
ioUrbanTerror has to constantly be restarted - today it won't even run.
THe problem is getting progressively worse.
There is no kernel panic, but the machine is becoming increasingly unusable.
I have run all the apple provided diagnostics, everything checks out clean.
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Posts:
4
From:
Earth
Registered:
Jul 9, 2008
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Re: NVDA(OpenGL): Channel exception!
Posted:
Apr 10, 2009 9:04 AM
in response to: dedward
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Ran one of those homebrewed memtest86 cd's overnight.. probably a few dozen full passes it made, found zero error.s IT did end up showing some screen corruption though (on an 80x24 or whatever it is text screen, some blocks were different colors, some letters changed around).
This is a memory corruption issue somewhere... video card or otherwise.
24" white imac,
Mac OS X (10.5.6)
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Posts:
20
Registered:
Apr 28, 2005
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 8, 2009 7:22 AM
in response to: dedward
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I also get the same error in the logs, accompanied by junk on screen, long pauses until eventually a reboot is required.
This happens most often when running Tiger Woods PGA Tour 08. Problem seems to be getting worse all the time. Seems to have started after upgrading to 10.5.6 or 10.5.5.
Also have run all the diagnostics and everything checks out clean.
iMac 24" 2.33 Intel
Mac OS X (10.5.6)
3GB memory
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Posts:
21
Registered:
Jan 13, 2009
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 16, 2009 12:41 PM
in response to: Curtis Pickavance
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Now it starts to get crazy. I have not run any game using opengl for some time. Now eyetv is running which never caused problems. All other apps running like safari are apple apps.
I get the Channel exception now every few seconds and strange things are happening on my screen:
May 16 21:37:59 avalon-4 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
May 16 21:38:01 avalon-4 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
May 16 21:38:02 avalon-4 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
May 16 21:38:10 avalon-4 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
May 16 21:38:16 avalon-4 kernel[0]: NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
iMac6,1
Mac OS X (10.5.6)
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Posts:
55
From:
Germany
Registered:
Sep 28, 2007
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 18, 2009 10:09 AM
in response to: Witch
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Count me in. I never had any problems yet, but it started when I used the "feature download" Multiwinia (http://www.apple.com/downloads/macosx/games/role_strategy/multiwinia.html).
It looks like this: http://img206.imageshack.us/img206/3811/img3937.jpg
My syslog says:
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
18.05.09 11:00:39 kernel NVDAOpenGL: Channel exception! status 0xffff info32 0x3 Fifo: Unknown Method Error
18.05.09 11:00:39 kernel 0000000b
iMac 24" 2.16Ghz 3GB RAM, late 2006
Mac OS X (10.5.7)
Modell iMac6,1 Boot-ROM IM61.0093.B01
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Posts:
20
Registered:
Apr 28, 2005
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 18, 2009 10:34 AM
in response to: Winfer
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Not just Tiger Woods PGA Tour. Yesterday got same errors w/crash watching live video of NASA Shuttle walk from CNN. Obviously something going on with NVIDIA GeForce 7300 GT Video card in the iMac 24" with this particular video card.
AM kernel NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x6 = Fifo: Parse Error
5/18/09 1:10:02 AM kernel 0000000b
5/18/09 1:10:02 AM kernel NVDA(OpenGL): Channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
iMac 24" 2.33 Intel
Mac OS X (10.5.7)
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Posts:
17
From:
Melbourne, Australia
Registered:
Feb 14, 2007
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Posts:
55
From:
Germany
Registered:
Sep 28, 2007
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 19, 2009 1:42 AM
in response to: atomicbomb
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I got a message from Ambrosiasoft stating it is a driver or hardware failure APPLE IS AWARE OF. I already contacted my local apple service provider since applecare support line told me to "repair permissions" sigh :/
Hello,
I'm sorry you are stuck in the middle. Apple is fully aware of the issue. Simply do a search for "NVDAOpenGL: Channel exception" and you will find plenty. My iMac was actually replaced by AppleCare last year for this same problem...generally brought about when playing World of Warcraft.
Ambrosia Software, Inc. -- http://www.AmbrosiaSW.com/
iMac 24" 2.16Ghz 3GB RAM, late 2006
Mac OS X (10.5.7)
Modell iMac6,1 Boot-ROM IM61.0093.B01
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Posts:
3
Registered:
Oct 30, 2005
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 25, 2009 10:09 PM
in response to: Winfer
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I'm experiencing the same issue as of the last 10.5.7 update on a 2.66GHz mac pro. I've seen it happen when I simply drag a finder window around. I mainly use aperture and photoshop elements.
This is now happening multiple times per day and it's getting very frustrating.
Mac Pro
Mac OS X (10.5.7)
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Posts:
9
From:
MidwestUSA
Registered:
Apr 21, 2008
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Re: NVDA(OpenGL): Channel exception!
Posted:
May 27, 2009 5:53 PM
in response to: Witch
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Same freezes and same error messages in my console log on an iMac 24.
Using Systems Preferences, I just turned off the ink feature and am thinking about uninstalling my Wacom tablet. Anyone else using either of these items?
iMac 24 (iMac6,1)
Mac OS X (10.5.7)
2.16 GHz Intel Core 2 Duo- 1 GB 667 MHz DDR2 SDRAM
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