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What is a bus error?

My router died this weekend and when it came back up I received this message: System returned to ROM by bus error at PC 0x400BB448, address 0xB0D0A

:22 UTC Sun Oct 22 2006

System image file is "flash:c2800nm-advipservicesk9-mz.124-7.bin". Can anyone shed any light on this for me?

Thanks

1 REPLY
Hall of Fame Super Red

Re: What is a bus error?

Hi Lance,

Perhaps this wii help;

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 properly (a hardware problem). A bus error can be identified through the output of the show version command provided by the router (if not power-cycled or manually reloaded).

These are two examples of bus error crashes:

Router uptime is 2 days, 21 hours, 30 minutes

System restarted by bus error at PC 0x30EE546, address 0xBB4C4

System image file is "flash:igs-j-l.111-24.bin", booted via flash

.........At the console prompt, this error message might also be seen during a bus error:

*** System received a Bus Error exception ***

signal= 0xa, code= 0x8, context= 0x608c3a50

PC = 0x60368518, Cause = 0x20, Status Reg = 0x34008002

From this doc;

http://www.cisco.com/en/US/products/ps5854/products_tech_note09186a008073dc12.shtml#bus_error_crashes

Troubleshooting Bus Error Crashes

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

Hope this helps!

Rob

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