Are you experiencing kernel panics when your Mac wakes from sleep? If you are grappling with this issue, you are probably wondering if anyone has experienced anything similar.
NVRAM is a small amount of memory that stores specific settings, such as resolutions, sound volume, startup-disk selection, and recent kernel panic information. For most users, resetting their NVRAM is the first thing they do when they encounter a kernel panic. Besides resetting the NVRAM, it is also necessary to reset the SMC. Apple Diagnostics and Apple Hardware Test are tools you can use to diagnose problems with your computer’s internal hardware, such as the logic board, memory, and wireless components. You may be able to start your Mac with Apple Diagnostics or Apple Hardware Test, even if it doesn’t start using macOS. Select the amount of memory to test, number of loops and click the Test button to start checking the memory. When the tests is finished, Rember will show the test results. Rember runs in Mac OS X which means that not all of the ram can be tested due to a portion of RAM being reserved for housekeeping.
Kernel panics may not be the most pressing Mac errors, but there are several threads about it in the Apple Support Communities. Some Mac users have reported getting kernel when Mac wakes from sleep.
Kernel panics usually occur when macOS detects an internal error it cannot resolve. It will display a message informing you to restart your computer.
There could be plenty of reasons why your Mac encounters a kernel panic after waking up from sleep mode. The situation can be particularly worrisome if you have no idea about what causes it or how to resolve it.
Feb 19, 2014 Help! I just had a RAM upgrade, and for the first time since owning this machine (2009). I've gotten the dreaded 'kernel panic'. Amazingly, the place that did the RAM upgrade doesn't do a diagnostic check after the install. Sep 03, 2004 Defective memory can cause computers to malfunction, crash, and behave in a variety of ways which can sometimes baffle end users and computer technicians alike. Apple provides hardware test CDs with most of their products, and there are some third-party utilties for Mac OS X which perform memory testing.
With that said, third-party kernel extensions and faulty hardware, such as a bad memory (RAM), are the primary causes of kernel panics. Other possible causes include:
Please read on to learn how to fix this issue.
How to Resolve a Mac Kernel Panic on Wake Up?
If your Mac has a kernel panic when waking from sleep, follow these troubleshooting steps to isolate the probable cause of your kernel panic:
Step 1: Perform Pre-Shutdown Routines
Problematic network connections could the cause of your troubles. Therefore, carrying out pre-shutdown routines can prevent a Mac kernel panic on wake up. Before you put your system to sleep, disconnect Ethernet cables, Bluetooth, sharing services, and other similar connections. If the problem does not persist, try connecting one service at a time until you identify the one that triggers the kernel panics. From there, you can approach the issue at a driver or settings level.
Step 2: Disconnect All External Devices
Since a Mac kernel controls how programs are loaded into the memory and how apps call and respond to external devices, problematic hardware or a loose RAM module can trigger a kernel panic when Mac wakes from sleep. So, disconnecting external devices may resolve the issue. To identify the culprit, reconnect your external devices one by one.
Step 3: Check If Bluetooth Devices Are to Blame
Sometimes, you get a kernel panic when Mac wakes from sleep because Bluetooth devices are trying to wake up your computer. If that is the case, disable Bluetooth devices from interfering with your Mac. Follow these steps to resolve the issue:
Step 4: Reset SMC and NVRAM
NVRAM is a small amount of memory that stores specific settings, such as resolutions, sound volume, startup-disk selection, and recent kernel panic information. For most users, resetting their NVRAM is the first thing they do when they encounter a kernel panic. Besides resetting the NVRAM, it is also necessary to reset the SMC. Follow these instructions to reset each of them:
NVRAM
SMC
Step 5: Adjust the Bad Settings to Improve Your Mac’s Performance
As mentioned earlier, corrupt or incorrect macOS settings can cause a kernel panic. In most cases, there is at least some clue. If your kernel panic occurs after waking up from sleep mode, energy savings may be the culprit. If that is the case, you should turn off all your energy savings options. You can accomplish this task by adjusting the Energy saving options in the Energy Saver pane. Follow these simple instructions to deactivate your Energy saving options:
If you cannot find a reasonable clue about the settings to be adjusted, you can use a Mac repair tool to help you resolve this problem. We strongly recommend that you use the Tweakbit MacRepair tool to tune your Mac for top performance. This intuitive tool will also scan for and remove all types of junk, such as unneeded cache files, broken downloads, unnecessary log files, and other trash on your Mac.
Step 6: Remove Bad Software ComponentsMemory Test For Macos To Check For Panic Attacks
Kernel panics caused by faulty software components are usually hard to troubleshoot because of their inherent tantrums. Notwithstanding what we have just said, you can focus on some key software. Third-party software, like antivirus programs, are a likely cause of your kernel panics. In particular, the use of background or automatic scanning functions can cause kernel panics. If you experience a kernel panic after waking up from sleep mode, try disabling your antivirus software and see if it resolves the problem. Another category of software that could trigger a kernel panic is heavy hitters. Disabling memory-heavy apps will help you determine if there is a direct relationship between heavy-disk activity and your kernel panics.
Step 7: Isolate a Bad Memory (RAM) as the Cause of the Problem
As discussed earlier, problematic RAM modules are the principal cause of kernel panics. If you have kernel panics that are not triggered by an application, an external device, or an intensive CPU activity, then a bad RAM could be the culprit.
Use the Apple Hardware Diagnostic CD to determine if a problematic RAM module is causing the kernel panics. If it does not show any errors and you are still experiencing kernel panics, consider checking each RAM module for the persistence of this issue.
Concluding Thoughts
A kernel panic may be one of the lowest-level crashes that your Mac can experience, but tracking down the exact circumstances under which kernel panics occur can be a challenge. Thankfully, you have this guide to help you isolate the cause of the problem and fix it.
Did anything work for you? Please share your experience in the comments section.
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When your Mac keeps restarting for some reason and macOS does not load properly, then you’re probably experiencing a kernel panic. A kernel panic is the equivalent of the Blue Screen of Death on Windows, which means that your computer has encountered an error that it cannot resolve, preventing the operating system from launching successfully.
When users hear kernel panic, most of them are anxious, thinking that it’s game over. Well, just like blue screen errors, kernel panics don’t signal the end of the world and most of them are actually solvable.
Though it might be scary when your Macs keeps rebooting or the screen goes black for no obvious reason, you don’t have to worry because it can be fixed. Just make sure to take note of the message that appears on the screen before your Mac restarts. You might see a message like: You need to restart your computer. Hold down the Power button for several seconds or press the Restart button. There are also instances when the message specifies what caused the kernel panic, which should make it easier for you to troubleshoot.
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One of the most popular culprits that triggers the kernel panic on Mac is the com.apple.driver.AppleMobileFileIntegrity file. A recurring kernel panic with “com.apple.driver.AppleMobileFileIntegrity” has become a common occurrence, particularly after the release of macOS Catalina.
What is the Kernel panic with com.apple.driver.AppleMobileFileIntegrity on Mac?![]()
If your Mac is getting the com.apple.driver.AppleMobileFileIntegrity kernel panic, then it means that there is something wrong with your device’s AppleMobileFileIntegrity or AMFI. Your operating system has encountered an internal error that involves the AppleMobileFileIntegrity component and your Mac is unable to resolve this error, causing it to automatically shutdown.
The Apple Mobile File Integrity (AMFI) started out as an iOS functionality that Mac adopted later on. It prevents all attempts to run unsigned code in macOS. It checks the integrity of files, signatures and their certificates, as well as entitlements and provisioning profiles that are running on the system.
When your device is experiencing recurring kernel panic with “com.apple.driver.AppleMobileFileIntegrity,” then it means that the system has encountered a critical problem when running the integrity checks. If you get this error once or twice, and the error goes away by simply restarting the computer, then you have nothing to worry about. It could be caused by a temporary glitch in the system and should be a minor problem.
However, if the kernel panic happens several times in a week or in a day, then you need to do something about it as soon as possible. In most cases, the kernel panic happens randomly without any warning. The screen just goes dark and the error message appears before restarting. In some instances, the problem is so severe that the user can’t get anything done because of the recurring crashes. There are even users who are stuck in a boot loop.
Why You’re Getting the com.apple.driver.AppleMobileFileIntegrity in Kernel Panic
In most cases, the recurring kernel panic with “com.apple.driver.AppleMobileFileIntegrity” is caused by an issue with the Apple Mobile File Integrity or AMFI. It could be possible that your Mac has encountered a serious issue that it can’t handle when checking the integrity of your files and apps. Or maybe the com.apple.driver.AppleMobileFileIntegrity file has been corrupted, deleted, or missing.
However, there are times when the kernel panic has nothing to do with the Apple Mobile File Integrity. Here are some of the other causes that you might want to consider:
How to Fix Recurring Kernel Panic with “com.apple.driver.AppleMobileFileIntegrity”
Whenever you encounter any kernel panic, you need to figure out first whether it is caused by a hardware or software problem. To check if any hardware issue is behind these occurrences, follow the steps here:
1. Disconnect all peripheral devices.
To figure out if any of your peripherals are conflicting with your system, you need to plug them off one by one, including network adapters, keyboards, printers, mouse, external video cards, external hard drives, USB devices, and others. Take them off all at once then restart your Mac. Connect one device at a time to see if the kernel panic will occur when you plug them in. This trial-and-error approach should isolate the peripheral causing the kernel panic, if there is any. If any of your peripherals is corrupted, you need to reinstall it and update the driver that came with it.
2. Run Apple Diagnostics.
Depending on your operating system, this built-in feature may be called Apple Diagnostics (if your Mac is from 2013 or later) or Apple Hardware Test (if your Mac is from 2012 or earlier and has OS X 10.8.4 or later). This tool can help you diagnose if there are problems with your Mac’s internal hardware, such as your logic board, memory, and wireless components.
To run Apple Diagnostics, follow the instructions below:
Once you have completed all the hardware checks above and you don’t see any problem, you can proceed with the software fixes below:
Step 1: Update All Your Software.
Make sure that your system and all your apps are updated by checking the App Store app for any available updates. Click the App Store icon, then click Updates to see the latest updates available for your computer.
If you’re running macOS Catalina, an AppleMobileFileIntegrity update was released for the 10.15.3 version during the macOS Catalina 10.15.4 update released last month. Updating your macOS should help resolve any kernel panics you might be encountering due to an outdated Apple Mobile File Integrity.
Step 2: Repair Disk Permissions.
Sometimes your software and apps are conflicting with each other in order to get first access to specific files and folders. This is what disk permissions are for. When something goes awry with your software or applications, you need to fix the broken permissions to resolve the problem.
To do this, you need to run the Disk Utility by following the steps below:
Memory Test For Macos To Check For Panic At The Disco
While you’re at it, you can also use the Disk Utility’s First Aid tool to detect any disk errors and fix them. Just click Disk Utility > First Aid and wait for the tool to do its work.
Step 3: Make Sure You Have Enough Free Storage Space.
For macOS to run properly and efficiently, Apple recommends having at least 20% of free storage space on your startup drive. Your computer needs enough room to breathe and function freely. But when there’s inadequate physical or virtual memory, your Mac’s performance is affected and kernel panics occur quite often.
To check how much disk space you have available, click on the Apple menu, then choose About This Mac. Switch to the Storage tab to see how much available space you have.
If your startup volume is approaching full capacity,you need to make more room for your processes. The easiest solution would be to remove unused apps, files, or whatever junk files that are stored on your computer. Or you can use a Mac cleaner app to do the job for you.
Step 4: Disable Startup Items.
There is a good chance that a certain login item is the reason why your Mac restarts, especially if you’re stuck in a boot loop. With a lot of apps loading on startup, it should be too much for your processor to handle. To resolve this kernel panic, another solution would be to disable these items and see how your Mac reacts.
To disable login items, follow these steps below:
Do this for all the other login items until you found the culprit.
Summary
Encountering the kernel panic with com.apple.driver.AppleMobileFileIntegrity on Mac can be stressful if you don’t know what’s causing it and what steps you need to take to fix it. However, just like blue screen errors, kernel panics can be easily resolved as long as you follow the correct troubleshooting guide. The above steps would help greatly, not just for recurring kernel panic with “com.apple.driver.AppleMobileFileIntegrity,” but for most kernel panics in general.
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