Big sur your computer restarted because of a problem

If your Mac restarts unexpectedly, an error known as a kernel panic occurred, and a message indicates that your computer restarted because of a problem. ... Restart your Mac in safe mode. If it successfully starts up in safe mode, choose Apple menu > App Store, click Updates, then install any available updates.

1. Why does my Mac keep restarting after Big Sur update?
2. Why does macOS Big Sur keep crashing?
3. What causes kernel panic?
4. How do I get my Mac out of boot loop?
5. Why does my MacBook Air keep restarting?
6. Does Mac Big Sur have problems?
7. How do I fix my Big Sur Mac?
8. Is my Mac too old for Big Sur?
9. What causes kernel panic Mac?
10. What is a kernel fault?
11. What happens if kernel crashes?
12. Is the blue screen of death a kernel panic?
13. How do I debug kernel panics?

Why does my Mac keep restarting after Big Sur update?

Cluttered NVRAM/PRAM or another problem with the RAM of your Mac may also be the cause for the Big Sur boot loop so if the previously suggested solutions didn't get the job done, maybe resetting the NVRAM or PRAM of your Mac could be what is required to restore things back to normal.

Why does macOS Big Sur keep crashing?

Frequent system crashes and similar issues with devices can be caused by direct bugs in the update. It is common that Mac crashing after the Big Sur update is triggered by the incompatible system, program versions. You might experience issues with application freezes, general system issues, and browser problems.

What causes kernel panic?

Causes. A panic may occur as a result of a hardware failure or a software bug in the operating system. ... Add-on hardware or malfunctioning RAM could also be sources of fatal kernel errors during start up, due to incompatibility with the OS or a missing device driver.

How do I get my Mac out of boot loop?

To fix a stuck Mac loading screen, you need to restart your Mac and press the Command+Option+P+R keys simultaneously while it's rebooting. Keep pressing the keys until you hear the second chime.

Why does my MacBook Air keep restarting?

The most common cause of a Mac continually restarting is called “kernel panic.” This occurs when your Mac's kernel, or operating system, detects an issue that can be fixed by restarting your computer.

Does Mac Big Sur have problems?

We're also seeing complaints about long download times, lag, Touch ID issues, issues with first and third-party apps including Box Drive, iMessage issues, Wi-Fi problems, Bluetooth problems, lockups, freezes, and crashes. The macOS Big Sur update is also bricking some older MacBook models.

How do I fix my Big Sur Mac?

If you encounter the macOS Big Sur problem where the installation fails due to low disk space, simply restart your Mac and press Control + R while it's booting to enter the Recovery mode. Select 'Disk boot' to boot normally, then remove unnecessary files to make space.

Is my Mac too old for Big Sur?

If your Mac is too old to upgrade to Big Sur, you'll likely receive a notification from the App Store or installer when you try to download it. ... It's recommended you use the latest version possible so even if your Mac is over a decade old, you may still be able to use something as recent as macOS High Sierra.

What causes kernel panic Mac?

Kernel panics happen when something goes wrong with the macOS kernel. It's an essential part of Unix-based operating systems, including macOS. The most common cause of kernel panics is software errors, but they can be caused by hardware faults as well.

What is a kernel fault?

A kernel panic is a computer error from which the operating system (OS) cannot quickly or easily recover. ... In other systems, the equivalent of a kernel panic is known by slang terms such as blue screen of death, sad Mac or bomb. In Windows 3. x, this sort of malfunction was called a general protection fault.

What happens if kernel crashes?

In basic terms, it is a situation when the kernel can't load properly and therefore the system fails to boot. During the boot process, the kernel doesn't load directly. Instead, initramfs loads in RAM, then it points to the kernel ( vmlinuz ), and then the operating system boots.

Is the blue screen of death a kernel panic?

A kernel panic, or its equivalent in the Windows world of a stop error or the dreaded Blue Screen of Death (BSOD), happens as the result of an unspecified low level error that an operating system cannot recover from.

How do I debug kernel panics?

cd to your directory of your kernel tree and run gdb on the “.o” file which has the function sd_remove() in this case in sd.o, and use the gdb “list” command, (gdb) list *(function+0xoffset), in this case function is sd_remove() and offset is 0x20, and gdb should tell you the line number where you hit the panic or oops ...