Memory Parity Error Cisco 7200
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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
System Returned To Rom By Processor Memory Parity Error At Pc
15, 2013 Document ID:116135 Document ID: 116135 Updated: Jul 15, 2013 Contributed by Shawn Wargo, Cisco Engineering.
Parity Error Fix
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 AuditLatest
High Correctable Ecc Error Rate Detected Cisco
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 error?Parity checking parity error detected in vram 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 electrostatic or magnetic-related environmental conditions.The
7200 Series RoutersTroubleshoot and AlertsTroubleshooting TechNotes Hardware Troubleshooting for the parity error checking Cisco 7200 Series Router Download Print Available Languages Download ltl sp 2 ltl_parity_check ltl parity check request for Options PDF (79.5 KB) View with Adobe Reader on a variety of devices Updated:Mar bcm-4-cor_ecc_high 09, 2009 Document ID:16122 Contents Introduction Prerequisites Background Requirements Components Used Hardware-Software Compatibility and Memory Requirements Upgrading the Boot Image Error Messages Conventions http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/116135-trouble-6500-parity-00.html Identifying the Issue Common Problems Step-by-Step Troubleshooting Parity Errors System Restarted by Bus Error Exception Continuously Rebooting Difference between NPE-G2 and NPE-G1 Troubleshooting Router Hangs Troubleshooting Bandwidth Points Troubleshooting Port Adapters Troubleshooting Serial Interfaces Information to Collect if You Open a TAC Case Related Information Introduction Valuable http://www.cisco.com/c/en/us/support/docs/routers/7200-series-routers/16122-hwts-7200-16122.html time and resources are often wasted replacing hardware that actually functions properly. This document helps troubleshoot potential hardware issues with Cisco 7200 Series Routers, and can help you identify which component may be causing a hardware failure, depending on the type of error that the router is experiencing. Note:This document does not cover any software-related failures except for those that are often mistaken as hardware issues. Prerequisites Background The Cisco 7200 Series Router contains a single Network Processor Engine (NPE) or Network Services Engine (NSE), an Input/Output (I/O) controller card, and can have up to six Port Adapters (PAs) for the 7206/7206VXR chassis. For a more detailed understanding of the Cisco 7200 Series Router Architecture, refer to Cisco 7200 Series Router Architecture. Requirements Cisco recommends that you have knowledge of these topics: Cisco 7200 Series Routers Documentation Cisco 7200
and End-of-Life ProductsCisco IOS Software Releases 12.1 MainlineTroubleshoot and AlertsTroubleshooting http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-121-mainline/7949-crashes-buserror-troubleshooting.html TechNotes Troubleshooting Bus Error Crashes Download Print Available Languages Download Options PDF (153.3 KB) View with Adobe Reader on a variety of devices ePub (111.5 KB) View in various apps on iPhone, iPad, Android, Sony Reader, or Windows Phone Mobi (Kindle) (129.9 KB) View on Kindle device parity error or Kindle app on multiple devices Updated:Jun 16, 2016 Document ID:7949 ContentsIntroductionPrerequisitesRequirementsComponents UsedConventionsIdentifying Bus Error CrashesTroubleshooting Bus Error CrashesTroubleshooting Bus Error Crashes on 68000 Processor PlatformsTroubleshooting Bus Error Crashes on RISC Processor PlatformsSpecial Types of Bus Error CrashesTroubleshooting Techniques for Bus Error Exception Boot LoopsCisco IOS Software memory parity error Loaded Does Not Support Installed HardwareSoftware FailureMis-seated HardwareHardware FailureInformation to Collect if You Open a Service RequestRelated Information Introduction This document explains how to identify bus error crashes and how to troubleshoot those crashes depending on the type of processor you have in your Cisco router. Prerequisites Requirements Cisco recommends that you read Troubleshooting Router Crashes before proceeding with this document. Components Used The information in this document is based on these software and hardware versions: All Cisco IOSĀ® software versions All Cisco routers Note:This document does not apply to Cisco Catalyst switches or MGX platforms. The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact