Mountain Lion freezes - Solution?

I found that the freezes relate to the following messages...
6/8/13 1:59:10.000 PM kernel[0]: NVDA(OpenGL): Channel timeout!
There are earlier threads related to "graphics switching" as the culprit.
"Display Sleep" under "Energy Saver" in "Preferences" if set to "Never" seems to stop the freezing.

Barney,
I've got a hackintosh, third generation, previous successful builds on leopard/snow leopard, very qualified hardware.
The last entries in the console (all messages) are...
6/9/13 5:54:47.780 AM Google Chrome[11468]: It does not make sense to draw an image when [NSGraphicsContext currentContext] is nil. This is a programming error. Break on void _NSWarnForDrawingImageWithNoCurrentContext() to debug. This will be logged only once. This may break in the future.
6/9/13 6:20:43.000 AM kernel[0]: NVDA(OpenGL): Channel timeout!
6/9/13 6:21:03.000 AM kernel[0]: NVDA(OpenGL): Channel timeout!
6/9/13 6:21:23.000 AM kernel[0]: NVDA(OpenGL): Channel timeout!
6/9/13 6:22:20.000 AM bootlog[0]: BOOT_TIME 1370776940 0
6/9/13 6:22:28.000 AM kernel[0]: Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Being a desktop, "graphics switching" is not a listed option. All i know is for the most part if I don't allow the disks or display to sleep I'm pretty much OK.
As of this writing I've been up for five hours + with no problems.
Mike.

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Mountain lion freezes

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Hi to everyone. I would just like to post how I think might have solved the freezing issue of Mountain Lion. I have posted in this thread a couple of weeks passed and I still see some do experience freezing still.
I have a Macbook Pro 13" late 2011 preinstalled with OS X Lion. I installed Mountain Lion last July 26 directly from MacUpdate when all **** started. Apps crashed. Screen Froze etc.
I have read most and did what have been suggested here but failed to solve the issue. And calling Apple would is in no way an option for me since I am from Manila, Philippines. Besides some of you even mentioned calling them lead to no solution. So I thought, given the hours people waisted calling up on Apple, why not do a clean install instead. Hours spent installing is better than waisting up on Apple's genius without any luck.
Clean install did fix the problem.
STEPS:
1. Back up your files (pictures, documents, music, movies. Do not include your apps (may it be 3rd party software or from macappstore). You may opt to use Time Machine but when it comes to restoring it back, do not restore the entire backup. What I did was just to restore my Music, Movies, Pictures.
2. Restart Mac and boot via USB (with Mountain Lion installer).
3. Reformat your hardrive with Disk Utility. Then install Mountain Lion 10.8
4. Update via macappstore to 10.8.1
5. Restore your files manually or choose the folders via Time Machine.
6. Then install all your other apps.
7. Finish!
I hope this helps. I haven't had any issues to date.
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These
Model Name:          iMac
Model Identifier:          iMac11,1
Processor Name:          Intel Core i7
Processor Speed:          2.8 GHz
Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          8 MB
Memory:          8 GB
Processor Interconnect Speed:          4.8 GT/s
Boot ROM Version:          IM111.0034.B02
SMC Version (system):          1.54f36
Hardware UUID:          E1ECD31D-0FEF-5073-9ABE-F9BB5C19F503
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Macbook Pro Retina Mountain lion freezes after deep sleep

Hello All,
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Please read this whole message before doing anything.
This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac.
These steps are to be taken while booted in “normal” mode, not in safe mode. If you’re now running in safe mode, reboot as usual before continuing.
Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects.
Some of the commands will line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then copy it. The headings “Step 1” and so on are not part of the commands.
Note: If you have more than one user account, Step 2 must be taken as an administrator. Ordinarily that would be the user created automatically when you booted the system for the first time. The other steps should be taken as the user who has the problem, if different. Most personal Macs have only one user, and in that case this paragraph doesn’t apply.
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign (“$”) or a percent sign (“%”). If you get the percent sign, enter “sh” and press return. You should then get a new line ending in a dollar sign.
Step 1
Triple-click the line of text below on this page to select it:
kextstat -kl | awk '!/com\.apple/{printf "%s %s\n", $6, $7}' | open -f -a TextEdit
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Step 2
Repeat with this line:
{ sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix)|org\.(amav|apac|cups|isc|ntp|postf|x)/{print $3}'; sudo defaults read com.apple.loginwindow LoginHook; sudo crontab -l; } 2> /dev/null | open -f -a TextEdit
This time you'll be prompted for your login password, which you do have to type. Nothing will be displayed when you type it. Type it carefully and then press return. You may get a one-time warning to be careful. Heed that warning, but don't post it. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
Note: If you don’t have a login password, you’ll need to set one before taking this step. If that’s not possible, skip to the next step.
Step 3
{ launchctl list | sed 1d | awk '!/0x|com\.apple|org\.(x|openbsd)/{print $3}'; crontab -l 2> /dev/null; } | open -f -a TextEdit
Step 4
ls -A /e*/{la,mach}* {,/}L*/{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts .la* 2> /dev/null | open -f -a TextEdit
Important: If you formerly synchronized with a MobileMe account, your me.com email address may appear in the output of the above command. If so, anonymize it before posting.
Step 5
osascript -e 'tell application "System Events" to get name of every login item' | open -f -a TextEdit
Remember, steps 1-5 are all copy-and-paste — no typing, except your password. Also remember to post the output.
You can then quit Terminal.

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Last year i installed Mountain Lion, in started freezing and i had to shut it down and restart it again.

The next time the problem happens, note the date and time the problem occurred, then go to Applications/Utilities/Console and copy the log starting at the time of the crash. Paste the log in a reply. Please do not use a screen shot as they can be hard to read. If there are repeated runs of the same messages, please post only one run. Be selective about what you post and don’t post huge amounts. Make sure there is no personal data visible. Information learned from Linc Davis.
Try running this program and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor. Please use copy and paste as screen shots can be hard to read.
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It's causing your system to freeze. Boot in safe mode, back up all data, and remove it according to the developer's instructions.

Mountain Lion Freezes and crashes Safari.

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First run the two resets and then try Safe Mode
SMC RESET
http://support.apple.com/kb/HT3964
Shut down the computer.
Unplug the computer's power cord and ALL peripherals.
Wait 15 seconds.
Attach the computers power cable.
Wait another 5 seconds and press the power button to turn on the computer.
The 5 second timing is important to a successful reset.
PRAM RESET
Zap the PRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
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TS3742 MacBook Pro 13" with Mountain Lion Freezing at login and getting Kernel errors

Ive been working on a friends MacBook Pro 13" with mountain lion for about a week now. It is having intermittent kernal panic errors on boot up only. It is also freezing up frequently at apple logo. Disk check passed, reformatted and reinstalled os. Switched out Ram. Still happening. Can anyone help.

Linc Davis,
I hope this is what you were requesting. I deleted out the UUID but as far as hang reports, wasn't sure what that would look like so I am sorry if that is included in this. Please let me know what you think.
Thank you for your help in this.
Mon Apr 29 12:40:14 2013
panic(cpu 0 caller 0xffffff801c8b8709): "Double fault at 0xffffff801c86e7a4, registers:\n" "CR0: 0x0000000080010033, CR2: 0xffffff80956effd8, CR3: 0x0000000019c3d000, CR4: 0x0000000000000660\n" "RAX: 0xffffff80956f01f8, RBX: 0x0000000000000001, RCX: 0x0000000000000000, RDX: 0x0000000000000001\n" "RSP: 0xffffff80956effe0, RBP: 0xffffff80956f00c0, RSI: 0xfffffe803e625000, RDI: 0xffffff80956f0218\n" "R8: 0xffffff80956f0210, R9: 0xffffff80956f0200, R10: 0x00007ff4ea446c00, R11: 0x000000007215d3ba\n" "R12: 0x0000000000000001, R13: 0xffffff801c8c6d9e, R14: 0xffffff80956f0450, R15: 0x0000000000000000\n" "RFL: 0x0000000000010282, RIP: 0xffffff801c86e7a4, CS: 0x0000000000000008, SS: 0x0000000000000000\n" "Error code: 0x0000000000000000\n"@/SourceCache/xnu/xnu-2050.22.13/osfmk/i386/trap_native.c: 280
Backtrace (CPU 0), Frame : Return Address
0xffffff801c70bd20 : 0xffffff801c81d626
0xffffff801c70bd90 : 0xffffff801c8b8709
0xffffff801c70bf00 : 0xffffff801c8cddcf
0xffffff80956f00c0 : 0xffffff801c862f30
0xffffff80956f0250 : 0xffffff801c8b7a99
0xffffff80956f0420 : 0xffffff801c8cd4dd
0xffffff80956f0440 : 0xffffff801c8c6d9e
0xffffff80956f0570 : 0xffffff801c8b7b3d
0xffffff80956f0740 : 0xffffff801c8cd4dd
0xffffff80956f0760 : 0xffffff801c8c6d9e
0xffffff80956f0890 : 0xffffff801c8b7b3d
0xffffff80956f0a60 : 0xffffff801c8cd4dd
0xffffff80956f0a80 : 0xffffff801c8c6d9e
0xffffff80956f0bb0 : 0xffffff801c8b7b3d
0xffffff80956f0d80 : 0xffffff801c8cd4dd
0xffffff80956f0da0 : 0xffffff801c8c6d9e
0xffffff80956f0ed0 : 0xffffff801c8b7b3d
0xffffff80956f10a0 : 0xffffff801c8cd4dd
0xffffff80956f10c0 : 0xffffff801c8c6d9e
0xffffff80956f11f0 : 0xffffff801c8b7b3d
0xffffff80956f13c0 : 0xffffff801c8cd4dd
0xffffff80956f13e0 : 0xffffff801c8c6d9e
0xffffff80956f1510 : 0xffffff801c8b7b3d
0xffffff80956f16e0 : 0xffffff801c8cd4dd
0xffffff80956f1700 : 0xffffff801c8c6d9e
0xffffff80956f1830 : 0xffffff801c8b7b3d
0xffffff80956f1a00 : 0xffffff801c8cd4dd
0xffffff80956f1a20 : 0xffffff801c8c6d9e
0xffffff80956f1b50 : 0xffffff801c8b7b3d
0xffffff80956f1d20 : 0xffffff801c8cd4dd
0xffffff80956f1d40 : 0xffffff801c8c6d9e
0xffffff80956f1e70 : 0xffffff801c8b7b3d
0xffffff80956f2040 : 0xffffff801c8cd4dd
0xffffff80956f2060 : 0xffffff801c8c6d9e
0xffffff80956f2190 : 0xffffff801c8b7b3d
0xffffff80956f2360 : 0xffffff801c8cd4dd
0xffffff80956f2380 : 0xffffff801c8c6d9e
0xffffff80956f24b0 : 0xffffff801c8b7b3d
0xffffff80956f2680 : 0xffffff801c8cd4dd
0xffffff80956f26a0 : 0xffffff801c8c6d9e
0xffffff80956f27d0 : 0xffffff801c8b7b3d
0xffffff80956f29a0 : 0xffffff801c8cd4dd
0xffffff80956f29c0 : 0xffffff801c8c6d9e
0xffffff80956f2af0 : 0xffffff801c8b7b3d
0xffffff80956f2cc0 : 0xffffff801c8cd4dd
0xffffff80956f2ce0 : 0xffffff801c8c6d9e
0xffffff80956f2e10 : 0xffffff801c8b7b3d
0xffffff80956f2fe0 : 0xffffff801c8cd4dd
0xffffff80956f3000 : 0xffffff801c8c6d9e
0xffffff80956f3130 : 0xffffff801c8b7b3d
0xffffff80956f3300 : 0xffffff801c8cd4dd
0xffffff80956f3320 : 0xffffff801c8c6d9e
0xffffff80956f3450 : 0xffffff801c8b7b3d
0xffffff80956f3620 : 0xffffff801c8cd4dd
0xffffff80956f3640 : 0xffffff801c81e26a
0xffffff80956f3ee0 : 0xffffff801c81e5f5
0xffffff80956f3f20 : 0xffffff801c8b83a9
0xffffff80956f3fb0 : 0xffffff801c8cd401
BSD process name corresponding to current thread: kextd
Mac OS version:
12D78
Kernel version:
Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Kernel UUID:
Kernel slide:     0x000000001c600000
Kernel text base: 0xffffff801c800000
System model name: MacBookPro7,1 (Mac-F222BEC8)
System uptime in nanoseconds: 21364954792
last loaded kext at 1663726355: com.apple.driver.AppleUSBTCButtons          237.1 (addr 0xffffff7f9e543000, size 20480)
loaded kexts:
com.apple.driver.AppleUSBTCButtons          237.1
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.driver.AppleIRController          320.15
com.apple.driver.AppleUSBTCKeyEventDriver          237.1
com.apple.driver.AppleUSBTCKeyboard          237.1
com.apple.driver.AppleUSBCardReader          3.1.7
com.apple.iokit.SCSITaskUserClient          3.5.5
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.3.1
com.apple.driver.AirPort.Brcm4331          614.20.16
com.apple.driver.AppleUSBHub          5.5.5
com.apple.iokit.AppleBCM5701Ethernet          3.6.0b1
com.apple.driver.AppleEFINVRAM          1.7
com.apple.driver.AppleFWOHCI          4.9.6
com.apple.driver.AppleAHCIPort          2.5.1
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleUSBEHCI          5.5.0
com.apple.driver.AppleUSBOHCI          5.2.5
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleACPIButtons          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.7
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.driver.AppleUSBMultitouch          237.3
com.apple.iokit.IOUSBHIDDriver          5.2.5
com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.5
com.apple.iokit.IOUSBMassStorageClass          3.5.1
com.apple.driver.AppleUSBMergeNub          5.5.5
com.apple.driver.AppleUSBComposite          5.2.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.5
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOAHCISerialATAPI          2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.5
com.apple.iokit.IO80211Family          522.4
com.apple.iokit.IOUSBUserClient          5.5.5
com.apple.iokit.IOEthernetAVBController          1.0.2b1
com.apple.iokit.IONetworkingFamily          3.0
com.apple.driver.AppleEFIRuntime          1.7
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOAHCIFamily          2.3.1
com.apple.driver.AppleMCP89RootPortPM          1.11
com.apple.iokit.IOUSBFamily          5.5.5
com.apple.driver.NVSMU          2.2.9
com.apple.iokit.IOHIDFamily          1.8.1
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220.2
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          345
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.21
com.apple.driver.AppleACPIPlatform          1.7
com.apple.iokit.IOPCIFamily          2.7.3
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0

Mountain lion freezes during installation with 34 mins remaining

Hi all,
My upgrade to mountain lion (from lion) freezes almost immediately when it hits the 'install os x' screen. It shows only the smallest possible progress in the progress bar and time remaining is stuck at 'about 34 minutes'. My mbp bought in 2010 rumbles as if doing something, but has been making this sound with no apparent progress for over 45 mins now. How do i get out of this freeze situation?
Thanks!
Mark

Follow-up:
Ok, after more than an hour 'time remaining' changed to 33 minutes and 15 mins later to 28. The progress bar also started showing progress. Strangely enough it then changed back to 31 mins and less progress (but at least it started showing something). Just hope this is not an indication the the new os has lost the ability to tell time...

Mountain Lion Freezes 30 Seconds Every Hour

I've recently migrated from a Mac Pro running Lion to a MacBook Pro running Mountain Lion. I migrated using a Time Machine backup and to make a long story short, it was an ordeal, but I've got everything running smoothly now… Everything except for one thing.
Once an hour, everything but the mouse freezes. The clock stops. If time machine is backing up, the backup icon stops moving. Everything stops for about 30 seconds and returns to normal. It happens very consistently on the same minute and the same second every time until a reboot and the one hour clock starts ticking anew from my boot up time.
I thought that maybe Time Machine was the culprit here, but I turned that off and freezes continued happening. Also, there is nothing in my log files that show anything happening at the time of each freeze. This is driving me nuts.
Any help would be appreciated.

How to maintain a Mac
1. Make redundant backups, keeping at least one off site at all times. One backup is not enough. Don’t back up your backups; make them independent of each other. Don’t rely completely on any single backup method, such as Time Machine. If you get an indication that a backup has failed, don't ignore it.
2. Keep your software up to date. In the Software Update preference pane, you can configure automatic notifications of updates to OS X and other Mac App Store products. Some third-party applications from other sources have a similar feature, if you don’t mind letting them phone home. Otherwise you have to check yourself on a regular basis. This is especially important for complex software that modifies the operating system, such as device drivers. Before installing any Apple update, you must check that all such modifications that you use are compatible.
3. Don't install crapware, such as “themes,” "haxies," “add-ons,” “toolbars,” “enhancers," “optimizers,” “accelerators,” “extenders,” “cleaners,” "tune-ups," “defragmenters,” “firewalls,” "barriers," “guardians,” “defenders,” “protectors,” most “plugins,” commercial "virus scanners,” "disk tools," or "utilities." With very few exceptions, this sort of stuff is useless, or worse than useless.
The more actively promoted the product, the more likely it is to be garbage. The most extreme example is the “MacKeeper” scam.
As a rule, the only software you should install is that which directly enables you to do the things you use a computer for — such as creating, communicating, and playing — and does not modify the way other software works. Never install any third-party software unless you know how to uninstall it.
The free anti-malware application ClamXav is not crap, and although it’s not routinely needed, it may be useful in some environments, such as a mixed Mac-Windows enterprise network.
4. Beware of trojans. A trojan is malicious software (“malware”) that the user is duped into installing voluntarily. Such attacks were rare on the Mac platform until sometime in 2011, but are now increasingly common, and increasingly dangerous.
There is some built-in protection against downloading malware, but you can’t rely on it — the attackers are always at least one day ahead of the defense. You can’t rely on third-party protection either. What you can rely on is common-sense awareness — not paranoia, which only makes you more vulnerable.
Never install software from an untrustworthy or unknown source. If in doubt, do some research. Any website that prompts you to install a “codec” or “plugin” that comes from the same site, or an unknown site, is untrustworthy. Software with a corporate brand, such as Adobe Flash Player, must be acquired directly from the developer. No intermediary is acceptable, and don’t trust links unless you know how to parse them. Any file that is automatically downloaded from a web page without your having requested it should go straight into the Trash. A website that claims you have a “virus,” or that anything else is wrong with your computer, is rogue.
In OS X 10.7.5 or later, downloaded applications that have not been digitally signed by a developer registered with Apple are blocked from loading by default. The block can be overridden, but think carefully before you do so.
Because of recurring security issues in Java, it’s best to disable it in your web browsers, if it’s installed. Few websites have Java content nowadays, so you won’t be missing much. This action is mandatory if you’re running any version of OS X older than 10.6.8 with the latest Java update. Note: Java has nothing to do with JavaScript, despite the similar names. Don't install Java unless you're sure you need it. Most users don't.
5. Don't fill up your boot volume. A common mistake is adding more and more large files to your home folder until you start to get warnings that you're out of space, which may be followed in short order by a boot failure. This is more prone to happen on the newer Mac notebooks that come with an internal SSD instead of the traditional hard drive. The drive can be very nearly full before you become aware of the problem. While it's not true that you should or must keep any particular percentage of space free, you should monitor your storage consumption and make sure you're not in immediate danger of using it up. According to Apple documentation, you need at least 9 GB of free space on the startup volume for normal operation.
Use a tool such as the free application OmniDiskSweeper to explore your volume and find out what's taking up the most space. Move rarely-used large files to secondary storage.
6. Relax, don’t do it. Besides the above, no routine maintenance is necessary or beneficial for the vast majority of users; specifically not “cleaning caches,” “zapping the PRAM,” "resetting the SMC," “rebuilding the directory,” “running periodic scripts,” “deleting log files,” “scanning for viruses,” or “repairing permissions.” Such measures are for solving problems as they arise, not for maintenance.
The very height of futility is running an expensive third-party application called “Disk Warrior” when nothing is wrong, or even when something is wrong and you have backups, which you must have. Disk Warrior is a data-salvage tool, not a maintenance tool, and you will never need it if your backups are adequate. Don’t waste money on it or anything like it.

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