MacBook Pro 2.2GHz SR freezing

My MacBook Pro 15" (Santa Rosa chipset) freezes occasionally.
At first I thought it was a problem when connecting an external display, but it happens even when I have not hooked anything to the DVI port. The freezes occur in plain OS X (not a game or anything special) and I think I have traced the issue to something related to the graphics card. Each time the system freezes, I have the following error in the system.log
Jan 15 16:27:40 Suuuju kernel[0]: NVChannel(GL): Graphics channel timeout!
The MacBook passes the Apple Hardware Test in both the default setting and the extended test without a problem. I also tried MemTest in a single-user environment and the Mac passes that too.
The problem could be heat-related in some way because when the MacBook freezes, its base (the underside towards the screen) is on the hot side. Most times I had an internet video (for instance YouTube) playing or some other Flash animation in Safari. I can reproduce the problem pretty consistently by opening one pretty intensive Flash site. www.group94.com is the site in question, and if you go Work at the top there (click cut the crap at the bottom after that) and open for instance the Experiences + Web Campaigns sections, there is some pretty intensive graphics action. After 10-20 minutes on this, the MacBook would freeze.
The freezes are like this: the screen is completely frozen (cursor not moving), but if there is an iTunes track playing it would continue playing. Also the Caps Lock and the Num Lock buttons work (i.e. they light-up their respective diodes). Command + Option + Esc does nothing.
My full MacBook Pro specifications are as follows
Model Name: MacBook Pro
Model Identifier: MacBookPro3,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.2 GHz
L2 Cache: 4 MB
Memory: 4 GB
Bus Speed: 800 MHz
Boot ROM Version: MBP31.0070.B05
SMC Version: 1.16f10
Mac OS X Leopard, 10.5.1 fully up-to-date
Please, if anyone has info on the problem or a possible solution... please let me know.

I have the exactly same problem and it's driving me crazy!!!!!!!!!!
Here is my console log:
Feb 6 17:53:58 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0xd = GR: SW Notify Error
Feb 6 17:54:11 bunny kernel[0]: 0000000c
Feb 6 17:54:11 bunny kernel[0]: 00200000 00005097 0000047c 00000000
Feb 6 17:54:11 bunny kernel[0]: 00000486 00001b0c 1000f010 00000003
Feb 6 17:54:11 bunny kernel[0]: 00000000 00000000 01bfdc03
Feb 6 17:54:11 bunny kernel[0]: 0000000c
Feb 6 17:54:11 bunny kernel[0]: 00200000 00005097 0000047c 00000000
Feb 6 17:54:11 bunny kernel[0]: 00000486 00001b0c 1000f010 00000003
Feb 6 17:54:11 bunny kernel[0]: 00000000 00000000 00000013
Feb 6 17:54:11 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:11 bunny kernel[0]: 0000000b
Feb 6 17:54:11 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:11 bunny kernel[0]: 0000000b
Feb 6 17:54:11 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:11 bunny kernel[0]: 0000000b
Feb 6 17:54:23 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:54:23 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:23 bunny kernel[0]: 0000000b
Feb 6 17:54:23 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:23 bunny kernel[0]: 0000000b
Feb 6 17:54:35 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:54:35 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:35 bunny kernel[0]: 0000000b
Feb 6 17:54:35 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:35 bunny kernel[0]: 0000000b
Feb 6 17:54:35 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:35 bunny kernel[0]: 0000000b
Feb 6 17:54:35 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:35 bunny kernel[0]: 0000000b
Feb 6 17:54:47 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:54:47 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:54:47 bunny kernel[0]: 0000000b
Feb 6 17:54:59 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:55:29: --- last message repeated 2 times ---
Feb 6 17:55:35 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:55:48: --- last message repeated 1 time ---
Feb 6 17:55:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:55:48 bunny kernel[0]: 0000000b
Feb 6 17:55:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:55:48 bunny kernel[0]: 0000000b
Feb 6 17:55:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:55:48 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:00 bunny kernel[0]: 0000000b
Feb 6 17:56:12 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:56:12 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:12 bunny kernel[0]: 0000000b
Feb 6 17:56:12 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:12 bunny kernel[0]: 0000000b
Feb 6 17:56:12 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:12 bunny kernel[0]: 0000000b
Feb 6 17:56:12 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:12 bunny kernel[0]: 0000000b
Feb 6 17:56:12 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:12 bunny kernel[0]: 0000000b
Feb 6 17:56:24 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:56:24 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:24 bunny kernel[0]: 0000000b
Feb 6 17:56:24 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:24 bunny kernel[0]: 0000000b
Feb 6 17:56:24 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:24 bunny kernel[0]: 0000000b
Feb 6 17:56:36 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:56:36 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:36 bunny kernel[0]: 0000000b
Feb 6 17:56:36 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:36 bunny kernel[0]: 0000000b
Feb 6 17:56:48 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:56:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:48 bunny kernel[0]: 0000000b
Feb 6 17:56:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:48 bunny kernel[0]: 0000000b
Feb 6 17:56:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:48 bunny kernel[0]: 0000000b
Feb 6 17:56:48 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:56:48 bunny kernel[0]: 0000000b
Feb 6 17:57:00 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:57:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:57:00 bunny kernel[0]: 0000000b
Feb 6 17:57:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:57:00 bunny kernel[0]: 0000000b
Feb 6 17:57:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:57:00 bunny kernel[0]: 0000000b
Feb 6 17:57:00 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:57:00 bunny kernel[0]: 0000000b
Feb 6 17:57:12 bunny kernel[0]: NVChannel(GL): Graphics channel timeout!
Feb 6 17:57:12 bunny kernel[0]: NVChannel(GL): Graphics channel exception! status = 0xffff info32 = 0x3 = Fifo: Unknown Method Error
Feb 6 17:57:12 bunny kernel[0]: 0000000b

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3. After a while of active working - say, 1-3 hours - I notice browsing websites gets a little choppy. Display features such as the file list view in Finder may or may not appear properly. The rotating wait cursor may or may not appear from time to time.
4. Immediately after symptom no. 3, the next time I start to watch a video, either via Safari 5 (say for example something on DailyMotion.com) or a file via QuickTime, something goes wrong.
Following no. 4, one of three things invariably happen:
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5b) I notice the video freezing only just in time, and am able to pause it and "esc" out of Full Screen-mode, and the computer remains operational. However, as soon as I again try to play video in Full Screen-mode, everything described in 5a. happens.
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I've also had some kind of a RAM card failure once. As far as I understood it, one of the RAM cards had fried and was preventing the computer from starting up. I replaced the bad 1GB card with a new 2GB one and the problem was resolved. Before the computer died, there were also other symptoms, but they were not similar to these.
I'm also doing the Apple Hardware Test tomorrow. Any other suggestions, though, than the graphics card?
*Could this have to do with Flash or Safari 5?* Just hear me out. Even though my computer has frozen from watching a video in just QuickTime, Safari 5 has always been open in the background at the same time, and more likely than not with websites with "Flash" content open. And come to think of it, before I performed the Snow Leopard and Safari 5 updates, I used to have daily problems viewing Flash video in Safari 5, the video content either suddenly showing up as "Plug-in Failure" or crashing the browser; I've had both Safari 5 and the Safari 5 Flash plug-in "quit unexpectedly" countless times in the past, almost daily. Sometimes the "Plug-in Failure" could be fixed just by refreshing the browser view; at other times, Safari 5 would stop showing Flash content altogether - Flash banner ads (such as Google ads), YouTube and other Flash videos, everything - until I quit and restarted Safari 5. BUT - since the day I updated everything via Software Update, I don't remember this happening; it never gets to "Plug-in Failure" now. Could it be worth trying to use e.g. just Firefox for a while or is there something (e.g. Adobe Flash) that I could try reinstall? Or am I just clutching at straws here?
Thanks for reading this long, long post!

Do you have access to an Apple Store? If so, it may be worth making an appointment at the genius bar and having them run the test for the NVIDIA problem. Since your replacement logic board still has the NVIDIA GeForce 8600 M GT video chip, it could be starting to happen to your replacement logic board.
I also agree with all of CMCSK's suggestions. Freezing is often associated with hard drive problems. You might also want to run SMART Utility:
http://www.apple.com/downloads/macosx/systemdiskutilities/smartutility.html
You can download the demo and run it several times for free. It will give you a very comprehensive view of the physical health of your hard drive. If you still have the original one from 2007, it's getting pretty long in the tooth and may be approaching the end of its average useful life of 3-5 years. I just recently had to replace my original 2007 Fujitsu drive.
If your drive is headed south, and is also too small, it may be time to upgrade to a larger and faster drive.
The software update probably didn't cause the problems, but it may have exposed problems that were already in existence.
Good luck!

Macbook pro 13" screen/applications freeze -- mouse continues working

hi all,
i saw a few threads similar to mine, but none of them were answered.
basically, i was using netflix on my macbook pro which is a 13" that i purchased for school back towards the end of july 2010. its version 10.6.3 and i haven't had any problems with it until today.
It has frozen twice today so far, and the first time I was using photobooth, itunes, and firefox. photobooth was taking pictures and then all of a sudden I went to click the button and it wouldn't select. I thought this was weird because the mouse was still moving. I realized I couldn't click on anything but the webcam was still showing me moving and itunes was still playing the song normally. I did a hard shutdown.
I started up my laptop again and went to play a movie on netflix (this movie had been open, but was paused when it froze the first time).
I started playing the movie and when to pause it to take a phone call when I realized that it was frozen again because I couldn't select anything. I did another hard shut down and I've been on the web with it since trying to find an answer to my problem.
any answers would be super appreciated! and if you know of a thread where this has been answered that would help a lot too! thanks so much
-sabrina.
Message was edited by: sabrina1991

there is a new development... i don't think its my screen freezing... i think it might be my mouse clicks aren't registering...
i was on a website just a few seconds ago, and i had highlighted something and as i went to click copy it wouldn't let me. but when i used two fingers it let me right click, and the mouse still moved around. Then i went over to my desk and moved my magic mouse around and low and behold it worked. I clicked a few things with my magic mouse and then thought, "hey i might as well try the trackpad" and for some ungodly reason the trackpad was clicking and working.....
i have no idea if these two events are related or if this is the reason for my other problem, but is anyone else having this problem?

MacBook Pro 2.2GHz SR freezing

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