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  2. Kernel panic - Wikipedia

    en.wikipedia.org/wiki/Kernel_panic

    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 ...

  3. Linux kernel oops - Wikipedia

    en.wikipedia.org/wiki/Linux_kernel_oops

    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.

  4. Kernel-based Virtual Machine - Wikipedia

    en.wikipedia.org/wiki/Kernel-based_Virtual_Machine

    Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor. It was merged into the mainline Linux kernel in version 2.6.20, which was released on February 5, 2007. [1] KVM requires a processor with hardware virtualization extensions, such as Intel VT ...

  5. QEMU - Wikipedia

    en.wikipedia.org/wiki/QEMU

    KVM (Kernel-based Virtual Machine) is a FreeBSD and Linux kernel module that allows a user space program access to the hardware virtualization features of various processors, with which QEMU can offer virtualization for x86, PowerPC, and S/390 guests. When the target architecture is the same as the host architecture, QEMU can make use of KVM ...

  6. Filesystem in Userspace - Wikipedia

    en.wikipedia.org/wiki/Filesystem_in_Userspace

    As the kernel-userspace protocol of FUSE is versioned and public, a programmer can choose to use a different piece of code in place of libfuse and still communicate with the kernel's FUSE facilities. On the other hand, libfuse and its many ports provide a portable high-level interface that may be implemented on a system without a "FUSE" facility.

  7. General protection fault - Wikipedia

    en.wikipedia.org/wiki/General_protection_fault

    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.

  8. Magic SysRq key - Wikipedia

    en.wikipedia.org/wiki/Magic_SysRq_key

    When using Kernel Mode Setting, switch to the kernel's framebuffer console. [5] If the in-kernel debugger kdb is present, enter the debugger. g: i: g: d: Output a terse help document to the console Any key which is not bound to a command should also perform this action h: d: h: h: Send the SIGKILL signal to all processes except init (PID 1) i ...

  9. VFS Global - Wikipedia

    en.wikipedia.org/wiki/VFS_Global

    The report recommended that the VFS online visa applications not be resumed for applications from India. [16] In November 2007, the UK Information Commissioner's Office announced that it had found the Foreign Office's contractual relationship with VFS Global to be in breach of its obligations under the Data Protection Act 1998.