Bus Error While Trying To Access Flash
and End-of-Life ProductsCisco IOS Software Releases 12.1 MainlineTroubleshoot and AlertsTroubleshooting 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 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 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 of an
again. Yesterday, I reload a boot image(c5350-boot-mz.123-15b.bin) to bootflash by xmodem successfully and I can login this gateway by boot mode now. But I still can 't show or load image to Flash which it responds "Open device flash failed (Bad device info block)". Sometime, the gateway is rebooted by a Software forced crash. I think this could due to corrupt image. Can you tell me how to load the image to Flash in this situation. Thank you. During the boot, it shows, System Bootstrap, Version 12.2(1r)1, RELEASE SOFTWARE (fc1) TAC Support: http://www.cisco.com/cgi-bin/ibld/view.pl?i=support http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-121-mainline/7949-crashes-buserror-troubleshooting.html Copyright (c) 2001 by cisco Systems, Inc. bus error while trying to access flash - addr = 0xb0000000 cannot read flash info ****************************************** Unsupported system flash simms detected Replace flash simms Both flash simms must be of the same type ****************************************** AS5350 platform with 524288 Kbytes of main memory bus error while trying to access flash - addr = 0xb0000000 cannot read flash info getdevnum warning: device "flash" https://puck.nether.net/pipermail/cisco-nas/2008-October/001534.html has size of zero bus error while trying to access flash - addr = 0xb0000000 cannot read flash info getdevnum warning: device "flash" has size of zero open: read error...requested 0x4 bytes, got 0x0 trouble reading device magic number boot: cannot open "flash:" boot: cannot determine first file name on device "flash:" System Bootstrap, Version 12.2(1r)1, RELEASE SOFTWARE (fc1) TAC Support: http://www.cisco.com/cgi-bin/ibld/view.pl?i=support Copyright (c) 2001 by cisco Systems, Inc. bus error while trying to access flash - addr = 0xb0000000 cannot read flash info ****************************************** Unsupported system flash simms detected Replace flash simms Both flash simms must be of the same type ****************************************** AS5350 platform with 524288 Kbytes of main memory Self decompressing the image : #################### [OK] Router(boot)#show ver Cisco Internetwork Operating System Software IOS (tm) 5350 Software (C5350-BOOT-M), Version 12.3(15b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2005 by cisco Systems, Inc. Compiled Thu 25-Aug-05 15:59 by ssearch Image text-base: 0x60008AFC, data-base: 0x60480000 ROM: System Bootstrap, Version 12.2(1r)1, RELEASE SOFTWARE (fc1) Router uptime is 57 minutes System returned to ROM by error - a Software forced crash, PC 0x60161210 at 10:34:30 EST Fri Oct 31 2008 System image file is "bootflash:c5350-boot-mz.123-15b.bin" ...... Backplane HW Revision 1.0, Flash Type 5V 2 FastEthernet/IEEE 802.3 interface(s) 2
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search https://www.experts-exchange.com/questions/24487861/Upgrading-of-Flash-on-Cisco-2621-Router-from-8MB-to-32MB.html Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > Upgrading of Flash on Cisco 2621 Router from 8MB to 32MB Want to Advertise Here? Solved Upgrading of Flash on Cisco 2621 Router from 8MB to 32MB Posted on 2009-06-12 Routers Network Architecture 1 Verified Solution 4 Comments 1,169 Views Last Modified: 2012-05-07 I am trying to upgrade the Flash on bus error my Cisco 2621 Router from 8MB to 32MB After upgrading the Dram from 32MB to 64MB by ading one 32MB chip, I have taken out the 8MB Flash chip and inserted the 32MB flash chip. This is ALL done in order to upgrade the IOS to c2600-ik9o3s3-mz.123-26.bi which support ssh and more but its size is 15,707 KB when botting the router I get this: rommon 1 > dev Devices in device table: bus error while id name flash: flash rommon 2 > reset System Bootstrap, Version 12.1(3r)T2, RELEASE SOFTWARE (fc1) Copyright (c) 2000 by cisco Systems, Inc. C2600 platform with 65536 Kbytes of main memory bus error while trying to access flash - addr = 0x60000000 cannot read flash info getdevnum warning: device "flash" has size of zero bus error while trying to access flash - addr = 0x60000000 cannot read flash info getdevnum warning: device "flash" has size of zero open: read error...requested 0x4 bytes, got 0x0 trouble reading device magic number boot: cannot open "flash:" boot: cannot determine first file name on device "flash:" System Bootstrap, Version 12.1(3r)T2, RELEASE SOFTWARE (fc1) Copyright (c) 2000 by cisco Systems, Inc. C2600 platform with 65536 Kbytes of main memory rommon 1 > dir usage: dir