Panic(cpu 1 caller 0xffffff7f97e4faae): watchdog timeout: no checkins from watchdogd in 307 seconds (1418 totalcheckins since monitoring last enabled), shutdown in progress Backtrace (CPU 1), Frame: Return Address 0xffffff812c58bc40: 0xffffff8016d1f5cd 0xffffff812c58bc90: 0xffffff8016e58b05 0xffffff812c58bcd0: 0xffffff8016e4a68e 0xffffff812c58bd20: 0xffffff8016cc5a40 0xffffff812c58bd40. Apr 15, 2021 Mac OS X 10.6 Snow Leopard This program is for advanced users who know how to use it without doing harm to their macs. The authors are not liable for data loss, damages, profit loss or any other types of losses connected with the use or misuse of the program. See full list on mac-optimization.bestreviews.net. I have macbook model 2009 that is crashing. I dont' understnad why is this happening Sun Jul 7 00: panic(cpu 0 caller 0xffffff): Kernel trap at 0xffffff8008462af0, type 13=ge.
How to solve Kernel Panic error
What is Kernel Panic?
Kernel Panic, though sounding scary, is simply an occurrence when your Mac keeps restarting for no obvious reason. Your Mac's screen goes black, giving you various warning messages like 'You need to restart your computer.' Note that the warning message's presence distinguishes Kernel Panic from usual Mac restarts and app crashes. In other words, Kernel Panic is just a Mac version of 'blue screen of death' on Windows, but luckily, it can be fixed. So, let's face the issue head-on.
What happens is your Mac encounters a critical error that it can't handle, so it automatically shuts down. If it rarely happens enough (like once in a few weeks), that shouldn't be a trouble. A basic restart should help it. It's worse when Kernel Panic happens regularly, especially if your Mac crashes right on startup. It might be a sign of damaged hardware, which isn't funny, given your Mac is almost unusable by that time.
What's causing Kernel Panic on Mac
There are a million reasons. One user reported he had simply installed the iTunes folder on a different drive than a system one. But in 90% of cases, software conflicts are to blame. Here's a list of main suspects:
- Not enough RAM and a lack of hard drive space
- Outdated drivers or plugins
- Broken disk permissions
- Conflicting apps
- Hardware issues and incompatible peripherals
The first step should be to isolate hardware issues from software-related ones. It may be a combination of both, like when your RAM has turned off, while two apps are conflicting for memory. Anyway, there's a path laid out by great Mac experts which will now follow immediately.
Software solutions to fix Kernel Panic on Mac
1. Update all your software
Start by launching the App Store app through Spotlight or the Apple menu. Go to the App Store and click Updates to see the latest updates available for your Mac. If some tools haven't been updated for long, it may well be the root of the Kernel Panic problem.
2. Find which apps are corrupted
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If your Mac keeps crashing on a particular app, you know which one is to blame. That's what you should do in this case:
- Try updating the problem app and then reboot your machine.
- If there are no updates or you cannot run them, delete and reinstall the entire app.
Alternatively, use CleanMyMac X's Uninstaller module, which lets your sort all your apps by size, see the unused apps and remove multiple programs at once. To delete software with CleanMymac X:
- Download CleanMyMac X — it has a free version.
- Install & launch the app.
- Go to Uninstaller and check the boxes next to the apps you want to remove.
- Press Uninstall to delete them.
If Kernel Panic occurs on random apps, you should look into deep-seated system drivers, specifically the ones that came with peripherals, like video cards, adapters, etc. Make sure you updated everything that deals with graphics, file systems, or networking. And, if it doesn't help, here are more tricks.
3. Ensure you have enough free space on the drive
Apple recommends reserving at least 20% of free space on your startup drive. Your Mac needs enough room to breathe freely. But when there's a lack of physical or virtual memory, your Mac's performance drags down, and Kernel Panic is quite common.
Control Panic Mac Os Version Not Yet Set
- Choose Apple menu > About This Mac.
- Switch to the Storage tab.
If your main volume is approaching full capacity, then you ought to make more room for it. The obvious solution would be to delete unused apps or whatever old junk is stored there. You can click Manage and try to free up some space using the built-in Apple tools.
4. Launch Disk Utility
Kernel Panic may happen due to corrupted files or issues with external devices. Fortunately, Apple partially took care of this with their built-in Disk Utility. Launching Disk Utility's First Aid tool would detect any disk errors, and if it can solve them, you're lucky again.
- Choose Apple menu > Restart.
- Hold down Command + R while you restart the computer.
- Go to Disk Utility > First Aid.
Follow the on-screen commands and expect to see something like 'Operation successful' in the report. In the worst-case scenario, you might get 'The underlying task reported failure,' which suggests a disk repair failed. At this point, you should start thinking about saving your data and reformatting the drive.
5. Disable startup items
There is a good chance login items are the reason your Mac randomly restarts. With dozens of apps launching on startup, they could be too many for your processor to handle. To troubleshoot Kernel Panic, now your tactics would be to disable these programs and check how your Mac behaves. To disable login items, follow this path:
- Go to System Preferences > Users & Groups.
- Select your username in the menu.
- Switch to the Login Items tab.
- Choose a startup item you want to disable and then click the '–' symbol.
- Restart your Mac to enable the changes.
Now, it's time to put on your detective's hat as we'll be investigating which login item has been causing Kernel Panic. This time, we'll go in the opposite direction and will be turning on the login items — one at a time. If your Mac crashes after the particular login app is enabled, congrats, you've hit right on the nail. Note that you'll have to reboot after each step, but finding the root of the problem is intriguing, right?
BTW, if you're uncomfortable messing with system settings, there's an easy alternative. CleanMyMac X, the app we've mentioned above, has a lot of tools for deep-level Mac maintenance. And there is a feature to disable/enable Login Items and quit hung applications that may affect your Mac performance.
- Download CleanMyMac for free.
- Launch it.
- Click on the Optimization module.
- Go to Login Items.
Disable startup apps one by one and click Perform.
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Hardware fixes to Kernel Panic
All the connected hardware could be responsible for the crash fever on your Mac — it happens quite often, actually. So, let's walk through the hardware solutions to Kernel Panics. And be prepared to restart your Mac a few more times when you follow the next tips.
1. Turn off peripheral devices
Just as we did with startup items, we have to figure out which exactly device is conflicting with your system. Now, you need to plug off everything connected to your Mac: printers, external video cards, network adapters, etc. Restart your Mac and connect one device at a time — if nothing happens, restart again with the new device plugged in. This trial-and-repeat approach should isolate the reason for Kernel Panic. Found which peripheral is corrupted? Well done, now reinstall it and update the software that came with it.
2. Run Apple Diagnostics
Depending on your OS, this built-in tool may be called Apple Diagnostics or Apple Hardware Test. These advanced Apple's utilities shouldn't be reserved for geeks only — in fact, they really save lives (okay, Macs).
For Intel processor-based Macs:
- Choose Apple menu > Restart.
- Press and hold the D key while you restart the computer.
For Apple silicon-based Macs:
- Restart your Mac and continue to press and hold the power button as your Mac starts up.
- Release the button when startup options appear.
- Press Command (⌘)-D on your keyboard.
Apple Diagnostics would launch automatically and test your hardware condition. If any problems are detected, you'll get a detailed report which is now your official invitation to pay a visit to Apple Support.
The last-ditch solution to Kernel Panic
So, here we are. Nothing of the above helped, and now you are desperately scrolling this on your friend's computer (as your Mac keeps on crashing, obviously). In no way should you panic. Now, you can try a way that most definitely will save your Mac — reinstall your OS from scratch. It's like starting a new life — and there's nothing difficult to it.
If you're running macOS Big Sur, check out this article on how to clean install macOS Big Sur.
To reinstall macOS Catalina, follow these steps.
If you wish to reinstall macOS Mojave, click here.
Hope these tricks helped you eliminate Kernel Panic. Mac should maintain its reputation as the best computer in the world, so let's keep it healthy. Share this article if you liked it, and thanks for reading.
Most crashes on a Mac affect just one application. But you may encounter a type of system-wide crash that brings down your entire Mac: a kernel panic. When this occurs, there's no warning and no way to save your work or do anything else without restarting. And, because kernel panics can have many different causes, diagnosing the problem and preventing its recurrence are difficult.
How do you know if it's a kernel panic?
If you're running OS X 10.7 Lion or earlier, kernel panics usually result in your screen dimming from top to bottom, and a message appearing in several languages telling you that you must restart your Mac (by holding down the power button for several seconds to turn it off, and then pressing it again to turn it back on).
Starting in OS X 10.8 Mountain Lion, OS X automatically restarts when you have a kernel panic, and then displays a similar-looking message for 60 seconds (or until you press a key) telling you that your Mac was restarted because of a problem. (If the kernel panic repeats every time your Mac restarts, OS X will give up after five tries and shut your Mac down.)
As Apple notes on its support page about kernel panics, something as random and fleeting as malformed network packets can potentially cause a kernel panic. So, if you experience this problem just once, or only rarely, just restart, get back to work, and forget about it.
But if you see a kernel panic frequently (Apple apparently defines 'frequently' as 'more than once every few weeks'), you should take additional troubleshooting steps. I suggest a slightly different sequence of steps than what Apple outlines.
First things first
If you're running OS X 10.8 or later, immediately after your Mac restarts on its own you'll see a dialog box asking whether you want to reopen the apps that were open before the crash. Click Open; if the kernel panic recurs, one of the running apps is a likely culprit, so click Cancel the next time around. Either way, another dialog box will ask if you want to see more information and report the problem to Apple. You probably do, so click Report. You may be unable to make heads or tails of the technical details, but glance over them and then click OK to send the report to Apple.
If you're seeing repeated kernel panics, try the following things until they go away.
Projectmindcraft mac os. Do a safe boot: Restart your Mac and hold down the Shift key until you see the gray Apple logo. Doing so temporarily disables some software that could cause problems and runs some cleanup processes. If the kernel panic doesn't recur, restart again normally.
Update your software: Outdated software is frequently implicated in kernel panics. This may include OS X itself and, very rarely, regular applications. More often it involves low-level software like kernel extensions and drivers. If you've installed software that goes with peripherals (network adapters, audio interfaces, graphics cards, input devices, etc.) or antivirus, file-system, or screen-capture tools, those should be the first you check for newer versions. Choose Software Update from the Apple menu to update OS X, Apple apps, and items purchased from the Mac App Store; for other apps, use a built-in updater or check the developer's website.
Update your firmware: Happy dog devices for happy dogs mac os. Software Update may also tell you about available updates for your Mac. If so, be sure to install them. You can also check for any firmware updates applicable to your Mac model at http://support.apple.com/kb/ht1237.
Check your disk: Make sure your startup disk has at least 10GB of free space; if it doesn't, delete some files to make room. Next, to find and fix any disk errors, start from another volume, run Disk Utility, select your startup disk, and click Repair Disk. (The easiest way to do this, if you're running OS X 10.7 or later, is to restart and then immediately press and hold Command-R to enter OS X Recovery. If that doesn't work, or if you have an older system, you can start up from a bootable duplicate of your hard disk or OS X install media.)
Check peripherals: If kernel panics continue, shut down your Mac and disconnect everything except the bare minimum (keyboard, pointing device, and display if those aren't built in)—as well as any hardware you've added inside your Mac, such as a graphics card. Turn your Mac back on. If the problem doesn't reappear, repeat the process, reattaching one device at a time. If you see a kernel panic right after connecting a piece of hardware, that may be your culprit.
Check your RAM: Defective RAM can cause kernel panics, and sometimes these defects manifest themselves only after time. If you've added any after-market RAM, try turning off your Mac, removing the extra RAM, and restarting. If that makes the kernel panics disappear, contact the company that sold you the RAM to see about a warranty replacement.
Last-ditch efforts
After that, troubleshooting steps get more time-consuming—enough so that if I got to this point without a solution, I'd probably think about making an appointment at the nearest Genius Bar. But if you have a spare hard drive, you can install a fresh copy of OS X on it, boot from that drive, and run Software Update to make sure everything is current. If the kernel panic doesn't occur when running from that drive, you can be pretty sure it's a software issue—some obscure gremlin on your startup disk. Unfortunately, the easiest way to solve it is to start up from another volume (or use OS X Recovery) and reinstall OS X over your existing system, and if that doesn't work, erase the disk and reinstall everything from scratch.
