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The router has crashed due to a software bus error in the function handling a Cache Parity Exception. With this information, you have an indication as to whether the fault lies with the Cisco IOS Software or the router hardware. Covered by US Patent. Note that this only covers physical memory addresses.

In the example, "System restarted by bus error at PC 0x30EE546, address 0xBB4C4", the memory location that the router tried to access is 0xBB4C4. Use the Cisco CLI Analyzer (registered customers only) to decode the output of the show stacks or show technical-support (from enable mode) command and identify the Cisco IOS Software bug that By using this site, you agree to the Terms of Use and Privacy Policy. We decided to re-configure the local NIC teams (BACS) to use all four onboard Broadcom BCM5709C NetXtreme II interfaces.

If you are uncertain which bug ID may match or which Cisco IOS software version contains the fix for the problem, upgrading your Cisco IOS software to the latest version in Troubleshooting Bus Error Crashes on 68000 Processor Platforms With the address accessed by the router when the bus error occurred, use the show region command to determine the memory location the In general it means the CPU bus could not complete a command, or suffered a conflict, but that could mean a whole range of things depending on the environment and code A better way to evaluate a certain determinant Is there a place in academia for someone who compulsively solves every problem on their own?

About the only thing you can do is clear the hardware logs to make the error go away, but if the condition is persistent (and not simply a logged event), then Give serious consideration to installing the most recent maintenance release of the Cisco IOS software train that you are currently running. How do I determine which expansion card is the issue without powering down the server? Does the recent news of "ten times more galaxies" imply that there is substantially more mass?

Please type your message and try again. 0 Replies Latest reply: Jan 14, 2016 3:57 AM by valic DMIlog entry detected -- PCI fatal bus error node rebooted valic Jan 14, On the other hand, if the address falls within one of the ranges in the show region output, it means that the router accessed a valid memory address, but the hardware Promoted by Recorded Future Are you wondering if you actually need threat intelligence? The system was up for one or two days before it crashed again.

Using the show region output, this address falls within the range of "main", or more specifically, "main:heap" or 0x000666B4-0x007FEFFF. 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 All rights reserved.PrivacyLegalContactUnited StatesProductsSolutionsShopSupportServicesPartnersCompanyMy AccountLog InBROWSE PRODUCTSStorageServersConverged InfrastructureData ProtectionSecurityNetworkingContent ManagementDell Products for WorkSearch Products by NameProducts A-ZShop EMC ProductsProduct CommunitySoftware DownloadsLive ChatContact SalesCall 1-866-438-3622Call 1-866-438-3622Storage CategoriesOverviewEnterpriseEntry & MidrangeSoftware DefinedAll-FlashCloudManagement & NetworkingStorage Join Now For immediate help use Live now!

Reply ↓ Patrick Post author July 29, 2014 at 8:51 pm Hello Unfortunately not other than the latest major release of the driver and firmware fixed the issue. The PC value is the location of the instruction which the processor was executing when the bus error occured. On POSIX-compliant platforms, bus errors usually result in the SIGBUS signal being sent to the process that caused the error. Featured Post What Should I Do With This Threat Intelligence?

Another related issue is a Versatile Interface Processor (VIP) crash. Troubleshooting Bus Error Crashes on RISC Processor Platforms It is recommended that you read the section on Troubleshooting Bus Error Crashes on 68000 Processor Platforms before you proceed with this section. BUS errors are caused by an attempt to access "memory" that the machine simply cannot access because the address is invalid. (Hence the term "BUS" error.) This can be due to and you're going to get nasty things happening to you.

Any more information? c unix segmentation-fault bus-error share|improve this question edited Oct 18 '15 at 10:44 Cool Guy 15.7k51952 asked Oct 17 '08 at 14:48 raldi 7,252216178 add a comment| 15 Answers 15 active The answer is yes. To be a bit more precise, we were working on two identical Dell PowerEdge R710 servers which both worked fine for months.

For lower-end platforms such as the 3600 or 4000 router, reseat the network modules/network processors. Article by: Alex Data center, now-a-days, is referred as the home of all the advanced technologies. The address reported by bus errors on RISC processors is therefore the virtual address as opposed to the physical address used by the 68000 processors. For instance: unsigned char data[6]; (unsigned int *) (data + 2) = 0xdeadf00d; This snippet tries to write the 32-bit integer value 0xdeadf00d to an address that is (most likely) not

The addresses that fall within the "Start" and "End" ranges are valid memory addresses. You set up an uint8_t array, add one, two, or three to the array's pointer and then typecast to a short, int, or long and try to access the offending result.) Dell Technologies© 2016 EMC Corporation. Is it appropriate to tell my coworker my mom passed away?

View Responses Resources Overview Security Blog Security Measurement Severity Ratings Backporting Policies Product Signing (GPG) Keys Discussions Red Hat Enterprise Linux Red Hat Virtualization Red Hat Satellite Customer Portal Private Groups Troubleshooting Techniques for Bus Error Exception Boot Loops This section focuses on general troubleshooting techniques for bus error exception boot loops: Cisco IOS software loaded does not support installed hardware Software Mis-seated Hardware If you are experiencing a bus error exception booting loop, it may be caused by mis-seated hardware. Thanks for your help, Baptiste Reply ↓ Patrick Post author May 28, 2014 at 9:44 pm Hey Baptiste The server was running Windows Server 2012 - NOT R2!

All rights reserved. If that doesn't help, then you may be looking at a bad RAID controller card, riser, or motherboard. The upgrade did not solve the problem. Systems tolerate this inefficient algorithm, as it is an essential feature for most software, especially string processing.

In-fact, most of the businesses are now establishing their entire organizational structure around the IT capabilities. Router#show region Region Manager: Start End Size(b) Class Media Name 0x40000000 0x40001FFF 8192 Iomem REG qa 0x40002000 0x401FFFFF 2088960 Iomem R/W memd 0x48000000 0x48001FFF 8192 Iomem REG QA:writethru 0x50002000 0x501FFFFF 2088960 Open Source Communities Subscriptions Downloads Support Cases Account Back Log In Register Red Hat Account Number: Account Details Newsletter and Contact Preferences User Management Account Maintenance My Profile Notifications Help Log Memory address locations for routers differ depending on the type of processor.

Unusual keyboard in a picture more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life Trying to access an undefined virtual memory address is generally considered to be a segmentation fault rather than a bus error, though if the MMU is separate, the processor can't tell Example error message: Node node9 message: Expansion card 4 (PEN Mezz4) fatal bus error more... [S.2018001] An uncorrected PCIe error has occurred on Bus 009B Device 10 Function 00 The Bus error From Wikipedia, the free encyclopedia Jump to: navigation, search This article needs additional citations for verification.

Regards Reply ↓ Dave July 30, 2014 at 6:18 pm Thanks much, looks like i'll be updating all of my 2012 R2 Dell servers. So, it is aligned. We explain the basics for creating useful threat intelligence. You can trigger a BUS error/Alignment Trap if you do something silly like do pointer math and then typecast for access to a problem mode (i.e.

For example, DRAM for the Cisco 2500, shared RAM (SRAM) for the Cisco 4000. It is recommended that you monitor the router for 24 hours to be sure that the router continues to function without experiencing the issue again. If you have the output of a show stacks or show technical-support (from enable mode) command from your Cisco device, you can use Cisco CLI Analyzer to display potential issues and share|improve this answer answered Oct 17 '08 at 14:52 Adam Davis 59.1k43211303 add a comment| up vote 2 down vote You can also get SIGBUS when a code page cannot be

About the only thing you can do is clear the hardware logs to make the error go away, but if the condition is persistent (and not simply a Go to Solution Identifying Bus Error Crashes The system encounters a bus error when the processor tries to access a memory location that either does not exist (a software error) or does not respond It is possible for CPUs to support this, but this functionality is rarely required directly at the machine code level, thus CPU designers normally avoid implementing it and instead issue bus share|improve this answer edited Dec 21 '14 at 2:23 answered Feb 6 '14 at 17:41 stuxnetting 425514 add a comment| up vote 0 down vote I just found out the hard