weird router output

Bill Kaster

-Traceback= 32248CA

Nested write_crashinfo call (10350 times)


=== Flushing messages (00:40:17 UTC Mon Mar 1 1993) ===

Buffered messages:
Queued messages:

Unexpected exception to CPU vector 2, PC = 32248CA

-Traceback= 32248CA

Nested write_crashinfo call (10351 times)


=== Flushing messages (00:40:17 UTC Mon Mar 1 1993) ===

Buffered messages:
Queued messages:

Unexpected exception to CPU vector 2,

Had to power down the router to get it to stop, it just completely flooded Hyperterminal, couldn't do anything about it.

It now works, a cold restart did the trick. But does anyone know what it means?

Slowhand

According to this article which references the "Unexpected exception to CPU vector" message directly, it seems to be an attempt at the IOS software to access an invalid memory address. The other message, "Nested write_crashinfo call", seems to be an error handler trying to trace the issue. From the sounds of it, judging by the fact that reloading the device cleared the error, you probably just saw a random software bug. If the error occurs again, and on a regular basis, it may be time to install a fresh copy of the IOS. If it still happens after you do that, then it's probably an issue with the hardware, most likely the CPU or the memory itself. (And, if your Cisco device is showing signs of hardware issues, it's time to think about getting a replacement.)