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EDAC amd64: MCT channel count: 2 EDAC amd64: CS2: Registered DDR3 RAM EDAC amd64: CS3: Registered DDR3 RAM EDAC MC0: Giving out device to amd64_edac F10h: DEV 0000:00:18.2 EDAC amd64: ECC You could try some memory test diagnostics to see if it is reading some of the memory on the DIMM and identify definately if it is the DIMM or the MB Check the POST error log for error message 289. Dmidecode knows how many DIMM slots there are and with /sys/devices/system/edac/mc/mc$MC_id/csrow$row_id/ch* I count the channels per MC. have a peek here

p. 3 ^ Daniele Rossi; Nicola Timoncini; Michael Spica; Cecilia Metra. "Error Correcting Code Analysis for Cache Memory High Reliability and Performance". ^ Shalini Ghosh; Sugato Basu; and Nur A. Many current microprocessor memory controllers, including almost all AMD 64-bit offerings, support ECC, but many motherboards and in particular those using low-end chipsets do not.[citation needed] An ECC-capable memory controller can Open the system. current community blog chat Server Fault Meta Server Fault your communities Sign up or log in to customize your list. http://serverfault.com/questions/460212/web-server-crashing-due-to-memory-errors-its-like-clock-work

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Interleaving can only occur between identical memory modules. Please have the FRU/CRU numbers of the defective DIMM(s) available for the support technician to expedite warranty replacement. coming to the issue of the memor failure try to Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

Jet Propulsion Laboratory ^ a b Borucki, "Comparison of Accelerated DRAM Soft Error Rates Measured at Component and System Level", 46th Annual International Reliability Physics Symposium, Phoenix, 2008, pp.482–487 ^ a But it most likley one of the new sticks of ram has gone bad 0 Message Author Comment by:jamessa2006-02-27 Why would the error occur and the server lockup every 3 Tenant claims they paid rent in cash and that it was stolen from a mailbox. Want to Advertise Here?

Recall that the MCx tells us which processor as explained above. Y. BIOS DIMM Error Messages The BIOS displays and logs the following DIMM error messages: NODE-n Memory Configuration Mismatch The following conditions will cause this error message: The DIMMs mode is not The following is a summary of the steps that I used which I believe can be generalized to other motherboards.

In this arrangement, a data request can be made to one bank, and while that request is pending, a second request can be made to the other bank. Comment Submit Your Comment By clicking you are agreeing to Experts Exchange's Terms of Use. Which EDAC modules are in use? UCEs occur and investigation shows that the errors originated from memory.

I updated SA to 1.9 and am still getting the error. https://docs.oracle.com/cd/E19121-01/sf.x4240/820-3067-14/dimms.html A few systems with ECC memory use both internal and external EDAC systems; the external EDAC system should be designed to correct certain errors that the internal EDAC system is unable But I would like to hopefully resolve the issue before we do that. The DIMM module type (buffer) is mismatched.

share|improve this answer answered Dec 22 '12 at 20:09 mfinni 31.2k33474 I'm just wanting to verify that hardware is the only issue at fault here. navigate here Why can a system of linear equations be represented as a linear combination of vectors? Is the absent sysfs a possible bug (maybe, or not, related to "GHES: HEST is not enabled!" ?) or SuSE weirdness? How to challenge optimized player with Sharpshooter feat How do hackers find the IP address of devices?

Browse other questions tagged windows-server-2008-r2 memory windows-registry server-crashes or ask your own question. Open the system. Remember that each memory controller instance is managing half of the slots adjacent to each processor. http://dssoundware.com/ecc-error/ecc-error-correction-detected-on-bank-2-dimm-b.php Featured Post What Is Threat Intelligence?

When adding memory to a system that uses interleaving, the memory modules must be added in sets of two. The DIMMs are not registered. I hope this can be of help to you as it took me a couple of days to get this far.

about 5 single bit errors in 8 Gigabytes of RAM per hour using the top-end error rate), and more than 8% of DIMM memory modules affected by errors per year.

There are still two csrows involved for the single DIMM in slot P2-DIMM3A (it is dual ranked), but the total size for each csrow is now only 2048. For UCEs, both LEDs in the pair flash if there is a problem with either DIMM in the pair. we have an error at 0x24bcfff3d0. See the x64 Servers Utilities Reference Manual for details.

Get the memory error information from the kernel log Get the memory controller(MCx) device information Analysis of the information given Conclusion Appendix ***************************************************************************** 1. Here is the log I got: Mon Feb 27 13:07:01 2006 ECC Single Bit Fault detected - Bank 2, DIMM A Mon Feb 27 10:09:02 2006 Bezel Intrusion sensor return Ensure that they are inserted correctly with ejector latches secured. 10. http://dssoundware.com/ecc-error/ecc-error-correction-detected-in-bank-2-dimm-a.php perhaps related to a switch to edac_core / edac_mce_amd instead of amd64_edac_mod ?) Furthermore, edac documentation is very out of date, and the [Hardware Error] that appear in dmesg give you

If HERD is installed, it copies messages from /dev/mcelog to /var/log/messages. The user can then view individual errors (by time) to see details of the error. Only DDR2 800 Mhz, 667Mhz, and 533Mhz DIMMs are supported. Guertin. "In-Flight Observations of Multiple-Bit Upset in DRAMs".

this intrusion will also monitor the temperatures and other failures and perform actions which have been programmed. Retrieved 2009-02-16. ^ "SEU Hardening of Field Programmable Gate Arrays (FPGAs) For Space Applications and Device Characterization". The DIMM slot ID is calculated like this (in shell): MC_id * slots / mcs + channel_id * slots / channels + row_id / 2 With the DIMM slot ID I Most third party memory does not meet the stringent performance and quality guidelines required by IBM, and thus is not supported in IBM systems.

Sadler and Daniel J. a BIOS detected a Sync Flood caused this reboot. I suppose you could remove that DIMM, as long as the remaining memory is a supported configuration for your hardware. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

At first I came to the same conclusion as yourself that it was the software but never got to the bottom of it..I was messing around with it for about 2 controller and a mem. IEEE.