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The IDTR register is used to store both the linear base address and the limit (length in bytes minus 1) of the IDT. When an interrupt occurs, the processor multiplies the interrupt vector by the entry size (8 for protected mode, 16 for long mode) and adds the result to the IDT base address. [ 4 ]
Crashpad is an open-source crash reporter used by Google in Chromium. It was developed as a replacement for Breakpad due to an update in macOS 10.10 [12] which removed API's used by Breakpad. Crashpad currently consists of a crash-reporting client and some related tools for macOS and Windows, and is considered substantially complete for those ...
The mechanism is first described in Intel manuals and datasheets for the Intel 80286 CPU, which was introduced in 1983; it is also described in section 9.8.13 in the Intel 80386 programmer's reference manual from 1986. A general protection fault is implemented as an interrupt (vector number 13 (0Dh)).
On the x86 computer architecture, a triple fault is a special kind of exception generated by the CPU when an exception occurs while the CPU is trying to invoke the double fault exception handler, which itself handles exceptions occurring while trying to invoke a regular exception handler.
Even in a CPU which supports nested interrupts, a handler is often reached with all interrupts globally masked by a CPU hardware operation. In this architecture, an interrupt handler would normally save the smallest amount of context necessary, and then reset the global interrupt disable flag at the first opportunity, to permit higher priority ...
A Sad Tab is an icon featuring a frowning folder displayed on a tab in Google Chrome when that tab crashes. The symbol shares the face of the Sad Mac. The Bomb icon is a symbol that was displayed when a classic Mac OS program crashed.
However, the idle process does not use up computer resources (even when stated to be running at a high percent). Its CPU time "usage" is a measure of how much CPU time is not being used by other threads. In Windows 2000 and later the threads in the System Idle Process are also used to implement CPU power saving.
Processes can in some cases install a custom signal handler, allowing them to recover on their own, [1] but otherwise the OS default signal handler is used, generally causing abnormal termination of the process (a program crash), and sometimes a core dump.