Hardware Error Machine Check
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may be challenged and removed. (June 2011) (Learn how and when to remove this template message) A Machine Check Exception (MCE) is a type of computer hardware error that occurs when a computer's central processing unit hardware error machine check events logged redhat detects a hardware problem. Modern versions of Microsoft Windows handle machine check exceptions
Hardware Error Machine Check Events Logged Centos
through the Windows Hardware Error Architecture. When WHEA detects a machine check exception, it displays the error in a hardware error machine check events logged ubuntu Blue Screen of Death, with the following parameters (which vary, but the first parameter is always 0x0 for a machine check exception):[1] *** STOP: 0x00000124 (0x0000000000000000, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000) On Linux, a process
Mca: Internal Parity Error
(such as klogd[2]) writes a message to the kernel log and/or the console screen (usually only to the console when the error is non-recoverable and the machine crashes as a result): CPU 0: Machine Check Exception: 0000000000000004 Bank 2: f200200000000863 Kernel panic: CPU context corrupt The error usually occurs due to failure or overstressing of hardware components where the error cannot be more specifically identified with mca: memory controller gen_channelunspecified_err a different error message.[clarification needed] Diagnosing the error message can be difficult, although Intel Pentium processors do generate more specific codes which can be decoded by contacting the manufacturer.[citation needed] Most MCEs require a restart of the system before users can continue normal operation, and indicate a long-term problem of a general nature.[citation needed] Contents 1 Problem types 2 Possible causes 3 Decoding MCEs 3.1 Programs to Decode MCEs 4 See also 5 References 6 External links Problem types[edit] Most of these errors relate specifically to the Pentium processor family. Similar errors may occur on other processors and will cause similar problems. Some of the main hardware problems that cause MCEs include: System bus errors: (error communicating between the processor and the motherboard). Memory errors: parity checking detects when a memory error has occurred. Error correction code (ECC) can correct limited memory errors so that processing can continue. Cache errors in the processor. Possible causes[edit] Normal causes for MCE errors include overheating and/or incorrect hardware installation. Specific manually-induced causes include: overclocking (which normally increases heat-output) poorly-fitted heatsink/computer fans (the same problem can happen with excessive dust in the CPU fan) an overloaded internal or extern
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Machine Check Exception Error
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may be challenged and removed. (June 2011) (Learn how and when to remove this template message) A Machine Check Exception (MCE) is a type of computer hardware error that occurs when a computer's central https://en.wikipedia.org/wiki/Machine-check_exception processing unit detects a hardware problem. Modern versions of Microsoft Windows handle machine check exceptions through the Windows Hardware Error Architecture. When WHEA detects a machine check exception, it displays the error in a Blue Screen of Death, with the following parameters (which vary, but the first parameter is always 0x0 for a machine check exception):[1] *** STOP: 0x00000124 (0x0000000000000000, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000) On Linux, machine check a process (such as klogd[2]) writes a message to the kernel log and/or the console screen (usually only to the console when the error is non-recoverable and the machine crashes as a result): CPU 0: Machine Check Exception: 0000000000000004 Bank 2: f200200000000863 Kernel panic: CPU context corrupt The error usually occurs due to failure or overstressing of hardware components where the error cannot be hardware error machine more specifically identified with a different error message.[clarification needed] Diagnosing the error message can be difficult, although Intel Pentium processors do generate more specific codes which can be decoded by contacting the manufacturer.[citation needed] Most MCEs require a restart of the system before users can continue normal operation, and indicate a long-term problem of a general nature.[citation needed] Contents 1 Problem types 2 Possible causes 3 Decoding MCEs 3.1 Programs to Decode MCEs 4 See also 5 References 6 External links Problem types[edit] Most of these errors relate specifically to the Pentium processor family. Similar errors may occur on other processors and will cause similar problems. Some of the main hardware problems that cause MCEs include: System bus errors: (error communicating between the processor and the motherboard). Memory errors: parity checking detects when a memory error has occurred. Error correction code (ECC) can correct limited memory errors so that processing can continue. Cache errors in the processor. Possible causes[edit] Normal causes for MCE errors include overheating and/or incorrect hardware installation. Specific manually-induced causes include: overclocking (which normally increases heat-output) poorly-fitted heatsink/computer fans (the same problem can happen with excessive dust in th