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The kerneloops software can collect and submit kernel oopses to a repository such as the www.kerneloops.org website, [7] which provides statistics and public access to reported oopses. A simplified crash screen was introduced in Linux 6.10, similar to the Blue Screen of Death on Windows. [8]
Kdump replaced the deprecated Linux Kernel Crash Dumps (LKCD) tool, which also wrote the contents of memory upon a crash. [11] Kdump presents a more efficient, scalable utility than LKCD. [12] kdump functionality, together with kexec, was merged into the Linux kernel mainline in kernel version 2.6.13, which was released on August 29, 2005. [13]
6.8.12 [7] 30 May 2024 [22] 6.7 8 January 2024 [1] 6.7.12 [7] 3 April 2024 Initial Bcachefs filesystem support [23] Itanium support removed [23] Intel Meteor Lake Graphics declared stable [23] Initial Nouveau support for Nvidia GSP firmware [23] Ability to disable IA-32 support at boot time on AMD64 [24]
During the final stages of kernel userspace initialization, a panic is typically triggered if the spawning of init fails. A panic might also be triggered if the init process terminates, as the system would then be unusable. [11] The following is an implementation of the Linux kernel final initialization in kernel_init(): [12]
Kernel page-table isolation (KPTI or PTI, [1] previously called KAISER) [2] [3] is a Linux kernel feature that mitigates the Meltdown security vulnerability (affecting mainly Intel's x86 CPUs) [4] and improves kernel hardening against attempts to bypass kernel address space layout randomization (KASLR).
There are five types of kernel-mode dumps: [18] Complete memory dump – contains full physical memory for the target system. Kernel memory dump – contains all the memory in use by the kernel at the time of the crash. Small memory dump – contains various info such as the stop code, parameters, list of loaded device drivers, etc.
[11] [12] The replacement of mcelog for Linux systems is rasdaemon. [9] [10] parsemce [14] is a Linux program by Dave Jones to decode MCEs from AMD K7 processors. mced [15] (mcedaemon) is a Linux program by Tim Hockin to gather MCEs from the kernel and alert interested applications. Note that it does not try to interpret the MCE data, it simply ...
The operating system delays loading parts of the program from disk until the program attempts to use it and the page fault is generated. If the page is not loaded in memory at the time of the fault, then it is called a major or hard page fault. The page fault handler in the OS needs to find a free location: either a free page in memory, or a ...