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After recompiling a kernel binary image from source code, a kernel panic while booting the resulting kernel is a common problem if the kernel was not correctly configured, compiled or installed. [8] 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 ...
A kernel panic is the Unix equivalent of Microsoft's Blue Screen of Death. It is a routine called when the kernel detects irrecoverable errors in runtime correctness; in other words, when continuing the operation may risk escalating system instability, and a system reboot is easier than attempted recovery.
Thus, even if the system appears to work correctly, undesirable side effects may have resulted from the active task being killed. A kernel oops often leads to a kernel panic when the system attempts to use resources that have been lost. Some kernels are configured to panic when many oopses (10,000 by default) have occurred.
Stop errors are comparable to kernel panics in macOS, Linux, and other Unix-like systems, and to bugchecks in OpenVMS. ReactOS , an open-source operating system designed to achieve binary compatibility with Windows, implements a version of the Blue Screen of Death similar to that used in Windows NT operating systems.
A kernel panic displayed on an iMac. This is the most common form of an operating system failure in Unix-like systems. In computing, a crash, or system crash, occurs when a computer program such as a software application or an operating system stops functioning properly and exits.
Some versions of macOS (such as OS X Lion) display a black screen of death instead of a kernel panic in the event of a hardware or software failure. This is usually pointed to a graphics card failure or a sleep/wake issue. [9]
The Linux kernel has included Zstandard since November 2017 (version 4.14) as a compression method for the btrfs and squashfs filesystems. [16] [17] [18]In 2017, Allan Jude integrated Zstandard into the FreeBSD kernel, [19] and it was subsequently integrated as a compressor option for core dumps (both user programs and kernel panics).
A general protection fault (GPF) in the x86 instruction set architectures (ISAs) is a fault (a type of interrupt) initiated by ISA-defined protection mechanisms in response to an access violation caused by some running code, either in the kernel or a user program.