xmodem upgrade problem.

From: mo ddin (mmm672@yahoo.com)
Date: Mon Jan 12 2004 - 03:55:09 GMT-3


Hi all,
 
I am trying to upgrade 2621 IOS to (12.2-15(T8). I replaced 8 MB flash to 16 MB flash and used xmodem., but after Download Complete I am getting following error message.
Any one knows what could be the problem?

rommon 4 > xmodem -c c2600-j1s3-mz.122-15.T8.bin
Do not start the sending program yet...
         File size Checksum File name
         File size Checksum File name
WARNING: All existing data in bootflash will be lost!
Invoke this application only for disaster recovery.
Do you wish to continue? y/n [n]: y
Ready to receive file c2600-j1s3-mz.122-15.T8.bin ...
Erasing flash at 0x60fc0000
program flash location 0x60e70000
Download Complete!
program load complete, entry point: 0x80008000, size: 0xe759dc
Self decompressing the image : #################################################
################################################################################
################################################################################
############################################## [OK]
Error : uncompressed image checksum is incorrect 0xA0E4B3D2
        Expected a checksum of 0x60E4B3D6
*** System received a Software forced crash ***
signal= 0x17, code= 0x9, context= 0x0
PC = 0xbaddaddd, Vector = 0xbaddaddd, SP = 0xbaddaddd
*** Machine Check Exception ***
PC = 0xfff14e30, Vector = 0x200, SP = 0x83fffe28

Thanks,
Mm

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