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Memory Controller Read/Write/Scrubbing error on Channel x: Means that the error was captured on a certain channel of the physical processor's NUMA node. This error is reported on Channel 1, which means one or both of the memory sticks on that channel are faulty. Please include serial numbers, order numbers, or any other details that can help us resolve your issue as quick as possible.Attachments Drop files here or Include any screenshots or log files mcelog written by Andi Kleen is one of the tools to gather MCE information.

There you have a table of bit-by-bit separation of the whole 64-bit error code which you then use in further decoding. Privacy policy About Wikipedia Disclaimers Contact Wikipedia Developers Cookie statement Mobile view Skip to content VirtualDude Virtualization Blog About Log in Categories: Issues Uncategorized Decoding Machine Check Error (MCE) / Purple The updates will be added to the bottom. Reply ↓ Share your thoughts Cancel reply Enter your comment here...

I highly recommend printing it, because you will be doing some back-and-forth seeking. Convert the Status hex value to Binary and split it according to Figure 15-6 in the manual 1 1 0 0 1 1 0 0 0 00 0000000011100000 0 0011 0000000000001000 Modern versions of Microsoft Windows handle machine check exceptions through the Windows Hardware Error Architecture. Incapsula incident ID: 184055290188139144-355675398664116632 Request unsuccessful.

Microsoft. ^ "KLOGD(8)". Now, to get list of possible Machine Check Errors captured by the VMkernel, run the following in your SSH session with superuser privileges: cd /var/log;grep MCE vmkernel.log this will output something Part 1: ESXi version. DisclaimerOne or more of the links above will take you outside the Hewlett-Packard Enterprise Web site, HPE does not control and is not responsible for information outside of the HPE Web

Please try the request again. PCPU 0 in world 8256:idle0 System has encountered a Hardware Error - Please contact the hardware vendor. mced[8] a Linux program by Tim Hockin to gather MCEs from the kernel and alert interested applications. Content is available under GNU Free Documentation License 1.3 or later unless otherwise noted.

Click here to visit VMware Communities. The stacks are different between the 3 purple screen failure, it should indicate the software is not hitting the same error. The system returned: (22) Invalid argument The remote host or network may be down. Please capture the MCE message and you can later run it through the mcelog program once the machine is back up.

Similar errors may occur on other processors and will cause similar problems. If you are "lucky", you can see and decode yourself what preceded the crash. Share this:TwitterFacebookGoogleLike this:Like Loading... Normally the manufacturer (especially processor manufacturers) will be able to provide information about specific codes.

If you happened to see this before or you have a suggestion, please let me know. PCPU 0 in World 8256:idle0" Object Name: mmr_kc-0101917 Document Type: Support Information Original owner: KCS - ProLiant Servers Disclosure level: Public Version state: finalEnvironment FACT:HP ProLiant Servers FACT:VMware ESXi 5.0Questions/Symptoms SYMPTOM:Pink Skip to content Jackie Chen's IT Workshop Menu BLOG CONTACT DEVOPS KIOSK PROJECTS TSM VIDEO LAB LEARNING ESXi Purple Screen MessageInterpretation We have a host which recently ran into the purple For all other occurrences of this MCE, the cpu# was alternating between 0-15 this means the fault was always detected on the first cpu.

Logical CPU number where the MCE was detected: This particular host had Dual 8-Core Intel Xeon Processors with HyperThreading enabled. See also Wikipedia:Machine_Check_Exception Wikipedia:Machine_check_architecture mcelog Home mcelog References Hardware documentation AMD64 Architecture Programmer's Manual, Volume 2: System Programming BIOS and Kernel Developer's Guide for AMD Athlon™ 64 and AMD Opteron™ Processors This architecture enables the CPUs to intelligently determine a fault that happens anywhere on the data transfer path during processor operation. the other fields, VAL, OVER …. ?

The purpose of posting it here is to take a note of this issue. A machine check exception (MCE) is an error generated by the CPU when the CPU detects that a hardware error or failure has occurred. How to determine what has been causing your system to fail? BIOS marked them as inactive after running memtest 86+ on them for 20 hours since that error was detected - the integrated diagnostics utility revealed nothing.

Part 4: The physical CPU that was running an operation at the time of the failure Part 5: VMK uptime Part 6: Stack trace shows what the VMkernel was doing at Spam Protection by WP-SpamFree Notify me of follow-up comments by email. What's your thought on this? Reference: Share this:ShareEmailPrintTwitterFacebookRedditLike this:Like Loading...

This ESXi 5.0.0 update 2 Part 2: Error messages. This is because both AMD and Intel CPUs have implemented something by the name of Memory Check Architecture. Please contact your hardware vendor CPU 1 4 northbridge TSC b0ce27165dd3 Northbridge Chipkill ECC error Chipkill ECC syndrome = 3700 bit32 = err cpu0 bit45 = uncorrected ecc error bit57 = Solution 3: If the drivers and firmware is updated and still the server is giving the error, user may perform the regular hardware diagnostics and replace any faulty parts as indicated.

I have this issue and VMware are saying memory controller error is hardware fault and needs Dell to fix Reply Leave a Reply Cancel reply Enter your comment here... This indicates that one of your memory modules has failed. For example, software performing read or write operations from or to non-existent memory regions can lead to confusion for the processor and/or the system bus.[citation needed] Accessing memory marked off-limits by Tagged with Fault / Crash, Server Hardware, VMware vSphere 4.x.

klogd is a system daemon which intercepts and logs Linux kernel messages. ^ "Bug 47121: UEFI boot panics on a new Samsung Series 9 laptop throwing a machine check exception". You'll need the machine check exception general status, bank status and bank address codes in hex, which can be found on the PSOD or in the vmkernel-1.log file. Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your account. (LogOut/Change) You are Scripting Corner: Command line arguments and Changing VM's configuration parameters withPowerCLI → 5 thoughts on “Debugging Machine Check Errors(MCEs)” Pingback: PSOD Caused by a Machine Check Exception | VMXP craigyang December

Let me give you another MCE example - This was captured from an ESXi host that eventually had 2 faulty memory modules, but was only acknowledged by the manufacturer when they had A ticket has been opened to VMware. MCG_CAP MSR:0x1000c18 0:00:00:06.572 cpu0:8192)MCE: 616: Fixed 12 MCE bank/CPU-package ownership settings 0:00:00:06.573 cpu0:8192)MCEIntel: 1331: Enabled CMCI signaling of uncorrected patrol scrub errors 0:00:00:06.573 cpu0:8192)MCEIntel: 1553: Registering Error recovery BH ~ # Solution 1: Update BIOS for the server, check the revision history of the BIOS to see if there are any fixes for PSOD.

Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your account. (LogOut/Change) You are You will need to browse to Intel's website hosting the Intel® 64 and IA-32 Architectures Software Developer Manuals. I'll provide a quicker debug here:  1 1 0 0 1 1 0 0 0 00 0000000000001110 0 0000 0000000000000001 0000 0000 1001 1111  VAL - MCi_STATUS register Valid - TRUE Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.

I am not sure how to decompose the address. Reply ↓ Pingback: Stress Testing an ESXi Host - CPU and MCE Debugging | VMXP Kip February 25, 2016 at 00:23 cpu20:34349)MCE: 222: cpu20: bank9: status=0x900000400012008f: (VAL=1, OVFLW=0, UC=0, EN=1, PCC=0, such as VAL, OVER, UC, and EN. MenuAdvanced Clustering TechnologiesCompanyOverviewContact usOur customersCase studiesCareersPurchasing options CloseProductsHardwareProduct CatalogHPC clustersHPC Compute BlocksPinnacle FlexServersGPU & Phi systemsStorageMicroHPC WorkstationsSoftwareeQUEUE – Our innovative web-based job submission tool.ACT Utils – Full featured cluster management software.Breakin

You can turn on your hardware vendor's support indicating that a component might be failing, or nudge them towards a certain component - but always make sure there is a support representative MCG_CAP MSR:0x1000c18 0:00:00:06.574 cpu0:8192)MCE: 616: Fixed 12 MCE bank/CPU-package ownership settings 0:00:00:06.575 cpu0:8192)MCEIntel: 1331: Enabled CMCI signaling of uncorrected patrol scrub errors 0:00:00:06.575 cpu0:8192)MCEIntel: 1553: Registering Error recovery BH TSC: 104424 Most of the times without throwing a Purple Screen of Death so you can at least have a notion about what went wrong. 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