Hardware Machine Error Unknown Intel Encoding
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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 detects a machine check exception vmware hardware problem. Modern versions of Microsoft Windows handle machine check exceptions through the machine check exception fatal (unrecoverable) mce on pcpu Windows Hardware Error Architecture. When WHEA detects a machine check exception, it displays the error in a Blue Screen of Death,
Machine Check Exception Decoder
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 (such as klogd[2]) writes
Machine Check Exception Error
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 a different error message.[clarification needed] Diagnosing how to fix machine check exception 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 external power-supply (fixable by upgrading) Computer software can also cause MCE errors (normally by
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Machine Check Exception Windows 10
and Technology Discussion › Intel® Firmware Engine FacebookLinkedInTwitterDiggDeliciousGoogle Plus mce: [Hardware Error]: mca error detected via polling Machine check events logged mce: [Hardware Error]: Machine check events logged JONG L. Wed, 12/09/2015 - 16:04 machine check exception 0x0000009c Hello, I have a custom board(RC10), which has E3845 and is similar to MinnowBoard MAX. I have customized from Intel Firmware Engine MinnowBoard MAX firmware to RC10 by enabling i2c-0, https://en.wikipedia.org/wiki/Machine-check_exception PCIe-2, etc. When the Linux system boots, it shows "mce: [Hardware Error]: Machine check events logged" 300 seconds after the boot. 1. Since the original configuration came from the MinnowBoard MAX, which uses E3825, the mce error might come from it. If yes, how can I change the processor to E3845. 2. Other than #1 I don't have any https://software.intel.com/en-us/forums/intel-firmware-engine/topic/603829 idea where the mce error came from. Is there any way to track it down by disabling HW components(e.g. PCIE-0)? RSS Top 16 posts / 0 new Last post For more complete information about compiler optimizations, see our Optimization Notice. Log in to post comments Brian Richardson (Intel) Thu, 12/10/2015 - 11:22 We'd like to get the log of the machine check exception to figure out what's going on. On Linux systems, you should be able to get this using mcelog - http://mcelog.org/ As an example you can install this on Ubuntu/Debian using apt-get: sudo apt-get install mcelog The events will be logged to /var/log/mcelog. You can also run: sudo mcelog --client to query the mcelog daemon for errors. -- Brian Richardson -- @intel_brian Top Log in to post comments JONG L. Thu, 12/10/2015 - 11:30 Best Reply Hello Brian, Here is the output of mcelog --client: mcelog: failed to prefill DIMM database from DMI data Kernel does not support page offline interface mcelog: Family 6 Model 37 CPU: only decoding architectural errors Hardw
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team. Interpreting a WHEA error for a MCA fault ★★★★★★★★★★★★★★★ ntdebugJanuary 28, 20113 0 0 0 Howdy fellow debuggers! This is Graham McIntyre, I am an Escalation Engineer in Platforms Global Escalation Services. We get questions from time to time from customers who experience a WHEA bugcheck 0x124, or system event, for help in interpreting the error record. The information applies to Windows Server 2008 / Vista SP1 and Windows 2008 R2 / Windows 7. I thought I would go through an example error record, point out some commonly asked questions, and show you how to find specific information on the error. In many cases, the information is specific to a particular processor / hardware vendor, the customer will need to follow up with them. But, we can help to some extent to parse the data. For an initial primer on WHEA and hardware error reporting, I suggest reading this whitepaper: http://www.microsoft.com/whdc/system/pnppwr/WHEA/wheaintro.mspx I’ll provide some further links to some specific WHEA information along the way. Getting Started: A WHEA bug check 0x124, WHEA_UNCORRECTABLE_ERROR, indicates that a fatal hardware error has occurred. The bug check parameters give you further information on the WHEA error record generated. In this example case, the first parameter was 0 so this indicates that this is a Machine Check Exception (MCE). An MCE is generated by certain classes of processors, such as Intel and AMD 64-bit processors. Checking the help included with the Debugging Tools For Windows for Bug Ch 0x124 shows this meaning for the parameters: Parameter 1 Parameter 2 Parameter 3 Parameter 4 Cause of Error 0x0 Address of WHEA_ERROR_RECORD structure High 32 bits of MCi_STATUS MSR for the MCA bank that has the error. Low 32 bits of MCi_STATUS MSR for the MCA bank that has the error. A machine check exception occurred. These parameter descriptions apply if the processor is based on the x64 architecture, or the x86 architecture that has the MCA feature available (for example, Intel Pentium Pro, Pentium IV, or Xeon). There are 2 useful debugger commands for debugging a WHEA error: !whea – displays