Parity Error Cisco
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Catalyst 6500 Series SwitchesTroubleshoot and AlertsTroubleshooting TechNotes Parity Errors Troubleshooting Guide Download Print Available Languages Download Options PDF (259.4
What Is Parity Error
KB) View with Adobe Reader on a variety of devices Updated:Jul parity error fix 15, 2013 Document ID:116135 Document ID: 116135 Updated: Jul 15, 2013 Contributed by Shawn Wargo, Cisco system returned to rom by processor memory parity error at pc Engineering. Download PDF Print Feedback Related ProductsCisco Catalyst 6500 Series Switches ContentsIntroductionBackgroundSoft ErrorsHard ErrorsCommon Error MessagesProcessorRAMASICLatest AdvancementsProcessorRAMASICSoftwareMSFC IBC Reset6700 Series 'Single-Bit Parity Error' ResetRecommendationsSoft Errors (SEU)Environmental
Parity Error Detected In Vram
AuditLatest Firmware (Rommon)Thumb ScrewsHard Errors (Malfunction)Hardware (MTBF and EOL) AuditHardware DiagnosticsRelated Cisco Support Community DiscussionsIntroductionThis document describes soft and hard parity errors, explains common error messages, and recommends methods that help you avoid or minimize parity errors. Recent improvements in hardware and software design reduce parity problems as well. BackgroundWhat is a processor or memory parity
Imprecise Data Parity Error
error?Parity checking is the storage of an extra binary digit (bit) in order to represent the parity (odd or even) of a small amount of computer data (typically one byte) while that data is stored in memory. The parity value calculated from the stored data is then compared to the final parity value. If these two values differ, this indicates a data error, and at least one bit must have been changed due to data corruption.Within a computer system, electrical or magnetic interference from internal or external causes can cause a single bit of memory to spontaneously flip to the opposite state. This event makes the original data bits invalid and is known as a parity error.Such memory errors, if undetected, may have undetectable and inconsequential results or may cause permanent corruption of stored data or a machine crash.There are many causes of memory parity errors, which are classified as either soft parity errors or hard parity errors.Soft ErrorsMost parity errors are caused by ele
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Parity Error Checking
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12000 Series RoutersTroubleshoot and AlertsTroubleshooting TechNotes Cisco 12000 Series Internet Router Parity Error Fault Tree Download Print Available Languages Download Options PDF (66.0 KB) View with Adobe Reader on a variety of http://www.cisco.com/c/en/us/support/docs/routers/12000-series-routers/29320-12000-parity-error-fault-tree.html devices Updated:Apr 29, 2008 Document ID:29320 Contents Introduction Before You Begin Conventions Prerequisites Components Used Overview Gigabit Route Processor (GRP) Parity Error Fault Tree Analysis Line Card Parity Error Fault Tree Analysis Parity/ECC Errors https://heggel4.wordpress.com/2013/12/12/spontanious-reboot-of-cisco-6509e-switch/ in the Cisco 12000 Series Gigabit Route Processor Single-Bit Errors (SBEs) Multi-Bit Errors (MBEs) Processor Memory Parity Errors (PMPE) %GRP-3-PARITYERR Error Message %PRP-3-SBE_DATA: Bad Data [hex] [hex] ECC rec [hex] calc [hex] Parity/ECC Errors parity error in the Cisco 12000 Series Line Cards SDRAM ECC Errors Cache Parity Exceptions Engine 0-based Line Card Error Messages Engine 1-based Line Card Error Messages Engine 2-based Line Card Error Messages Engine 3-based Line Card Error Messages Engine 4/4+-based Line Card Error Messages Engine 5/5+-based Line Card Error Messages Engine 6-based Line Card Error Messages SPA Error Messages Parity Errors in the Cisco 12000 Series Switching Fabric Cards Related parity error cisco Information Introduction This document explains the steps to troubleshoot and isolate a failing part or component of the Cisco 12000 Series Internet Router after you encounter a variety of parity error messages. Note:This document does not cover the cause of parity errors. If you are interested in a more concise definition of parity errors (also known as Single Event Upsets - SEUs) and their possible cause, we recommend that you read the documents linked from Increasing Network Availability. Before You Begin Conventions For more information on document conventions, see the Cisco Technical Tips Conventions. Prerequisites Before proceeding with this document, we recommend that you read the following documents: Processor Memory Parity Errors (PMPEs) Troubleshooting Router Crashes Components Used The information in this document is based on the software and hardware versions below. Cisco 12000 Series Internet Router All versions of Cisco IOS software The information presented in this document was created from devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If you are working in a live network, ensure that you understand the potential impact of any command before using it. Overview Most of the Cisco 12000 Series Internet Router route p
Loadbalancing → Spontanious reboot of Cisco 6509Eswitch 12/12/2013 Leave a comment Lately one of our customers Cisco 6509E switches rebooted spontanious. At first sight it looked like there was no obvious reason for this problem. After investigation, the reason of the spontanious reboot became clear. The first clue was found when the "show version" command was run. This was the output (the output is omitted): ! switch#show version System returned to ROM by s/w reset at 07:43:59 gmt Sun Dec 8 2013 (SP by processor memory parity error at PC 0x419EEB88, address 0x0) switch# ! The fat part of the output triggered me, to download the crashinfo from the sup-bootflash. ! show sup-bootflash ! -#- -length- ---date/time---- path -#- ED ---type--- -crc-- -seek- nlen -length- ------date/time------ name 1 .. config 4F161C23 9D14C 21 118988 Apr 13 2012 00:26:20 +02:00 BackupSXH513apr12.bak 2 .. crashinfo 1A1C516D 104FF0 32 425506 Dec 8 2013 07:43:55 +01:00 crashinfo_RP_20131208-074355-gmt ! copy bootflash:/crashinfo_RP_20131208-074355-gmt tftp: ! After investigating the crashinfo I found the following lines: ! 674670: Dec 8 07:43:55: %C6K_PLATFORM-2-PEER_RESET: RP is being reset by the SP %Software-forced reload 07:43:55 gmt Sun Dec 8 2013: Breakpoint exception, CPU signal 23, PC = 0x428A667C --------------------------------------------- Possible software fault. Upon reccurence, please collect crashinfo, "show tech" and contact Cisco Technical Support. --------------------------------------------- After reading this meassage it became clear that the RP is rebooted by the SP, so for further information the logging from the SP has to be investigated. The SP crashinfo can be found: ! show sup-bootflash: ! -#- -length- ---date/time---- path 1 74788836 Sep 24 2009 09:48:00 +02:00 s72033-ipservicesk9_wan-mz.122-33.SXH5.bin 2 33554432 Sep 24 2009 11:57:50 +02:00 sea_log.dat 3 119027 Apr 12 2012 02:09:34 +02:00 BackupSXH513apr12.bak 4 33554432 Apr 13 2012 01:08:52 +02:00 sea_console.dat 5 139998532 Mar 9 2012 11:40:28 +01:00 s72033-ipservicesk9_wan-mz.122-33.SXJ2.bin 6 439014 Dec 8 2013 07:43:58 +01:00 crashinfo_SP_20131208-074355-gmt ! copy sup-bootflash:/crashinfo_SP_20131208-074355-gmt tftp: ! In the SP crashinfo the following lines triggered me: Cache error detected! CPO_ECC (reg 26/0): 0x000000EC CPO_CACHERI (reg 27/0): 0x20000000 CP0_CAUSE (reg 13/0): 0x00000C00 Real cache error detected. System will be halted. Error: Primary instr cache, fields: data, Actual physical addr 0x00000000, virtual address is imprecise. Imprecise Data Parity Error Imprecise Data Parity Error 07:43:55 gmt Sun Dec 8 2013: Inte