[afnog] Cisco7606 boot failure

Miku, E. Cornelius miku at habari.co.tz
Tue Oct 6 07:51:41 UTC 2015


​Hi Mathias,​


On Fri, Oct 2, 2015 at 11:44 AM, Mathias HOUNGBO <mathias at houngbo.net>
wrote:

> Hi Miku
>
> this error : compressed image checksum is incorrect 0x95E93FF2 Expected a
> checksum of 0xF4C5466F
> means that the IOS on the flash is not good ! perhaps the flash is diying ?
>

​Tried with a different flash which works fine in a different router.​


> and a stupid question : are you check the free space available on the
> flash ?
>
​
The flash that was in the router during the incident is 512MB, the new one
is 256MB and the image is only 174MB


>
>
>
>
> Le 30/09/2015 12:42, Miku, E. Cornelius a écrit :
>
> Hi,
>
> After a power surge my router fails to boot with below error.
>
> System Bootstrap, Version 8.5(4)
> Copyright (c) 1994-2009 by cisco Systems, Inc.
>
> Testing lower main memory - data equals address
> Testing lower main memory - checkerboard
> Testing lower main memory - inverse checkerboard
> Clearing lower memory for cache initialization
> Clearing bss
> Clearing autoboot state machine
> melody_present_reg: 1st read w/ 0x5555
> melody_present_reg: 2nd read w/ 0xaaaa, reversed: 0x5555
> Bootdisk adapter is detected, enabling bootdisk access...
> Reprogramming CS1 w/ Melody value...
>
> Reading monitor variables from NVRAM
> Reset reason for CPU board 0xffff , BaseBoard 0x800000, display
> 0x20000System Reset by Software.
>
> Enabling interrupts
> Initializing TLB
> Initializing cache
> Initializing required TLB entries
> SDRAM dimm
>
> Initializing main memory
> Sizing NVRAM
> Initializing PCMCIA controller
> Exiting init
> Cat6k-Sup720/SP processor with 1048576 Kbytes of main memory
>
> Autoboot: failed, BOOT string is empty
> Autoboot executing command: "boot "
>
> Initializing ATA monitor library...
> string is bootdisk:c7600s72033-advipservicesk9-mz.151-2.S.bin
> Loading image, please wait ...
>
>
> Initializing ATA monitor library...
> Stack pointer       : 0x8FFFFF80
> monstack            : 0x800FFFC0
> monra               : 0xBFC26EC4
> edata : 0x80119460
> magic : 0xFEEDFACE
> memsize             : 0x10000000
> uncomp_size         : 0x03702C00
> comp_size           : 0x03702C00
> comp_checksum       : 0xF4C5466F
> uncomp_checksum     : 0xF4C5466F
> CZIP_MEM_BASE       : 0x80000000
> _end       : 0x8011C8E0
>
> Error : compressed image checksum is incorrect 0x95E93FF2
>         Expected a checksum of 0xF4C5466F
>
> *** System received a Software forced crash ***
> signal= 0x17, code= 0x5, context= 0x0
> PC = 0x801000f4, Cause = 0x20, Status Reg = 0x30409003
>
> I already tried with a couple of images. Including a back up of image that
> was running(c7600s72033-advipservicesk9-mz.151-2.S.bin) and an older
> ones(c7600s72033-advipservices-mz.122-33.SRD4.bin  and
> c7600s72033-advipservicesk9-mz.122-33.SRE5.bin).
>
> Anyone ever had this issue?
>
> If I boot to ROMMON and check the boot device the image is recognised.
> Any help/advise will be appreciated.
>
> Regards,
>
> --
> Miku
>
>
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> --
> Made in Bénin - http://mathias.houngbo.net
> Président ONG IGBANet - http://www.igbanet.org/
> System and Network Administrator at BCEAO Bénin
> CTO & Co-Founder at STARSOFT INFORMATIQUE
>
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