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Jul 6, 2010 6:27 AM in response to morphoby mert,morpho wrote:
Scrap my last comment, I just got a full blown kernel panic: page fault in kernel mode.
Guess who was the culprit: com.apple.ATIRadeonX2000.
(Yes, I ran AHT, I NEVER saw a panic on this machine and - to be honest - ruling out faulty RAM a page fault in kernel mode is hardly a hardware problem...)
If you haven't already, please send your kernal panic info to http://www.apple.com/feedback/
Usually, when I see this issue, no panic log is created (probably because in my case, only the user interface or WindowServer freezes) -
Jul 6, 2010 6:39 AM in response to mertby morpho,Done, it's on rdar://8160934 (http://www.openradar.me/8160934 for us mere mortals).
<technical mumbo-jumbo>
Upon close inspection, it's a NULL pointer dereference (CR2=0x00000000) happening while copying a texture buffer. It is triggered from some IOKit call made by WindowServer (I don't know which, userland stack traces aren't saved), so it may be related to other problems described in this thread.
</technical mumbo-jumbo> -
Jul 6, 2010 10:11 AM in response to morphoby R C-R,I assume you saw the note on the Open Radar page:
"*Please note*: Reports posted here will not necessarily be seen by Apple. All problems should be submitted at bugreport.apple.com before they are posted here. Please only post information for Radars that you have filed yourself…"
So did you submit this to bugreport.apple.com? -
Jul 6, 2010 11:32 AM in response to R C-Rby morpho,R C-R wrote:
So did you submit this to bugreport.apple.com?
Yes, I did. The OpenRadar link is just a reference for other people besides myself and Apple. -
Jul 6, 2010 1:41 PM in response to DazzaGby davigagn,Exactly same problem here. Still present with 10.6.4. -
Jul 11, 2010 3:02 PM in response to all.earsby all.ears,Happy (and cheap!) resolution.
Turned out to be an optical cable that needed replacing. Total cost charged by Apple Store: $12.50 plus tax. -
Jul 14, 2010 10:37 PM in response to all.earsby Chacao,@all.ears - Could you please provide a little more information? I would go to the apple store tomorrow if it is only a cable to replace… First time I took it had to change the hard drive and restore the system… that did not fix the issue, the only thing that works for me is to keep the computer from sleeping, it usually freezes right after waking up.
Thanks! -
Jul 15, 2010 5:17 AM in response to all.earsby morpho,all.ears wrote:
Happy (and cheap!) resolution.
Turned out to be an optical cable that needed replacing. Total cost charged by Apple Store: $12.50 plus tax.
Probably just a coincidence, since I don't have any optical audio cable attached to my system and the panic was caused (beyond any doubt) by a software fault.
We only have two solutions at hand: downgrade to 10.6.2 or wait for Apple to release a fix. Trying to disable all OpenGL-related software (almost all Apple-provided and Composer-based screensavers, Quartz Extreme, games, etc.) might be a workaround, but I won't recommend it as it would be hard to implement and undo. -
Jul 18, 2010 6:03 AM in response to DazzaGby scm133,Just another update. My iMac started the screen/freeze/flicker/distortion after 10.6.3 combo update. I have talked to Applecare six times. Did all the trouble shooting. Still having same problem. If I stay in safe mode the machine is stable enough for me to work. I have been watching this discussion to see if there is a fix available. -
Jul 21, 2010 8:20 PM in response to scm133by al1776,Make sure that the "reduce brightness before display goes to sleep" is not checked. I have one machine with the screen going almost black and you have to power-off via the button on back. Since I unchecked that box in the System Pref, Energy Saving screen it does not happen anymore.
Al -
Jul 28, 2010 1:13 PM in response to al1776by wvisual,Exact same issues on iMac 24 that was solid and stable for two years on 10.5.8. Now crashes daily since 10.6.3 upgrade. I just got the grey screen with vertical lines today. This is killing me. I'm probably going back to 10.5.8 if I can find the time to do it. -
Jul 28, 2010 2:22 PM in response to wvisualby al1776,Well, re-installing combo didn't last. It got to the point where the screen would not come on at all at boot. Apple sent a repair person to the office and replaced both the logic board and the video card. Works fine now.
Al
www.ancins.com -
Jul 28, 2010 6:20 PM in response to DazzaGby Chris J.,I have had the problems for a while since I updated my OS to 10.6.4 I recently went back and reinstalled 10.6 and did the combo update to 10.6.2 and have yet to have the problem. All my problems started when I went to 10.6.3 I was really hoping it wasn't graphics card or logic board, and not since I have not had the problems for over 2 weeks, I really think it was the software. -
Jul 28, 2010 6:29 PM in response to DazzaGby scm133,AppleCare sent me a file "capture data" so that I could duplicate the screen freeze/pixel glitch problems and send it to them. It will take few days for them to get back with me. They are trying to decide if software or hardware problem. I would love to get this fixed. Been going on since the end of March!! -
Jul 28, 2010 6:31 PM in response to scm133by Jonah Lee Walker,Is it a program? I would love to install it on my wife's computer to capture when it happens again. They should release this!