Router reloaded due to an unknown failure, PC 0x60B38674

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Nov 15th, 2013
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Hi Team,


One of our production router got reload and we are getting the unknown failure message in the version


Router reloaded due to an unknown failure, PC 0x60B38674

Model: Cisco 3845


Please help to sort out the issue.


Regards,

Arun

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acampbell Fri, 11/15/2013 - 04:44
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Arun,


PC Bus errors ussually reflect that the router had issues accessing a certain memory location.


The memery locations can be found by issuing


show region


However this is 99% an IOS code bug.


Raise a TAC or try upgrading your IOS.




Regards,
Alex.
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arun karthick Fri, 11/15/2013 - 05:22
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Hi


------------------ show region ------------------





Region Manager:



      Start         End     Size(b)  Class  Media  Name

0x0FFFFE00  0x0FFFFFFF         512  Iomem  R/W    BCM region

0x2D900000  0x2FFFFDFF    40893952  Iomem  R/W    iomem

0x60000000  0x6D8FFFFF   227540992  Local  R/W    main

0x6001105C  0x6244BCAF    37989460  IText  R/O    main:text

0x6244C000  0x6451E2BF    34415296  IData  R/W    main:data

0x6451E2C0  0x6498DFBF     4652288  IBss   R/W    main:bss

0x6498DFC0  0x6D8FFFFF   150413376  Local  R/W    main:heap

0x70000000  0x7FFFFFFB   268435452  Local  R/W    Main memory 1

0x7FFFFFFC  0x7FFFFFFF           4  Local  R/W    Protected region

0x80000000  0x8D8FFFFF   227540992  Local  R/W    main:(main_k0)

0xA0000000  0xAD8FFFFF   227540992  Local  R/W    main:(main_k1)


This is the show region found in the router.

acampbell Fri, 11/15/2013 - 05:29
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Arun,


Your PC error bolngs in this group of memory locations


0x60000000  0x6D8FFFFF   227540992  Local  R/W    main



I suggest that you try an IOS upgrade or raise a TAC


Regards,
Alex.
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Sandeep Choudhary Fri, 11/15/2013 - 04:53
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    2017 Wireless

HI Arun,


Troubleshoot bus error:


http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_tech_note09186a00800cdd51.shtml


Cisco 3800 Series Router Hardware Troubleshooting

http://www.cisco.com/en/US/products/ps5855/products_tech_note09186a008073ee69.shtml



Verly old paper for troubleshooting bus error ,But the steps mentioned still holds good,  it would be a hardware fault  otherwise most probable an IOS bug/issue, which I can see that you'll  also agree about the IOS being obsolete.


Regards

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