[c-nsp] Boot strangeness on 2821

[Adam Devai]

Hi.

Seems to be ios bug, most likely CSCse73517. Did you have warm reboot 
enabled? I had the same results using 12.4.10a in a lot of 2811s. Downgrade 
helps.

Regards
  Adam Devai

> Jee Kay wrote:
>> We've got a pair of 2821s which were working fine, until we starting
>> configuring them...
>>
>> Now we get:
>>
>> System Bootstrap, Version 12.4(1r) [hqluong 1r], RELEASE SOFTWARE (fc1)
>> Copyright (c) 2005 by cisco Systems, Inc.
>>
>> Initializing memory for ECC.
>> c2821 processor with 262144 Kbytes of main memory
>> Main memory is configured to 64 bit mode with ECC enabled
>>
>> Readonly ROMMON initialized
>> program load complete, entry point: 0x8000f000, size: 0xc940
>> program load complete, entry point: 0x8000f000, size: 0x231985c
>>
>> Self decompressing the image :
>> #######################################################################################################################################################################################################################
>> [OK]
>>
>> *** Emulating mis-aligned store at 0x4520b3ef
>>     PC = 0x81166808 ... succeeded
>>
>> *** Emulating mis-aligned store at 0x4521299b
>>     PC = 0x81166814 ... succeeded
>>
>> <- - - SNIP – This goes on for a very long time, before finally ending
>> up in ROMMON - - ->
>>
>> *** Emulating mis-aligned load at 0x45212987
>>     PC = 0x81166a60 ... failed, unknown branch
>>
>> monitor: command "boot" aborted due to exception
>>
>> c2821 processor with 262144 Kbytes of main memory
>> Main memory is configured to 64 bit mode with ECC enabled
>>
>> Readonly ROMMON initialized
>> rommon 1 >
>>
>>
>>
>> We had this happen on one router, figured it was a faulty flash or
>> image.. after much swapping of cards and reflashing it appeared not to
>> be. We dumped the config onto the partner router (that was working
>> fine), which then promptly fell over with the same symptoms.
>>
>> Has anyone seen this before and/or know whether this is likely to be
>> an IOS/hardware/config fault?
>>
>> Thanks in advance,
>> Ras
>>
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>
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