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SimonV
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1841 - System received a Software forced crash

Tue Jan 07, 2014 3:59 pm

One of my lab devices no longer wants to boot. I'm getting the error below.

Code: Select all
System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 2004 by cisco Systems, Inc.
PLD version 0x10
GIO ASIC version 0x127
c1841 processor with 131072 Kbytes of main memory
Main memory is configured to 64 bit mode with parity disabled


Readonly ROMMON initialized
program load complete, entry point: 0x8000f000, size: 0xc100

Initializing ATA monitor library.......
program load complete, entry point: 0x8000f000, size: 0xc100

Initializing ATA monitor library.......

program load complete, entry point: 0x8000f000, size: 0x10b9c24

Error : compressed image checksum is incorrect 0xA1D58872
        Expected a checksum of 0xF5A587F8
 mpsc_chr10 24030a30: 0x8080000

*** System received a Software forced crash ***
signal= 0x17, code= 0x5, context= 0x80014b00
PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3041e803


I've already tried with a couple of different IOS's but to no avail.

Trying to boot from rommon, same thing:

Code: Select all
rommon 10 > boot flash:/c1841-advsecurityk9-mz.124-8.bin
program load complete, entry point: 0x8000f000, size: 0xc100

Initializing ATA monitor library.......

program load complete, entry point: 0x8000f000, size: 0x10b9c24

Error : compressed image checksum is incorrect 0x8C558952
        Expected a checksum of 0xF5A587F8
 mpsc_chr10 24030a30: 0x8080000

*** System received a Software forced crash ***
signal= 0x17, code= 0x5, context= 0x80014b00
PC = 0x8000f0d4, Cause = 0x20, Status Reg = 0x3041e803

System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 2004 by cisco Systems, Inc.
PLD version 0x10
GIO ASIC version 0x127
c1841 processor with 131072 Kbytes of main memory
Main memory is configured to 64 bit mode with parity disabled


Readonly ROMMON initialized
program load complete, entry point: 0x8000f000, size: 0xc100

Initializing ATA monitor library.......
program load complete, entry point: 0x8000f000, size: 0xc100

Initializing ATA monitor library.......


Anyone else that has an idea, before I start ordering a new CF card? :whistle:

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mellowd
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Re: 1841 - System received a Software forced crash

Tue Jan 07, 2014 4:21 pm

Xmodem a new image on


Sent on the move...

SimonV
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Re: 1841 - System received a Software forced crash

Tue Jan 07, 2014 4:24 pm

mellowd wrote:Xmodem a new image on


Would that make any difference over just copying it onto the CF card via PC?

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michoudi
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Re: 1841 - System received a Software forced crash

Tue Jan 07, 2014 4:25 pm

Try with a different CF card, format the card or tftp download. If possible, see if that CF card works in a different device.

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the4thstooge
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Re: 1841 - System received a Software forced crash

Tue Jan 07, 2014 4:34 pm

Hi,

At the time of bootup, a router can detect that a Cisco IOS software image is corrupt, return the compressed image checksum is incorrect message, and attempt to reload. In this case, the event is reported as a software-forced crash.
Error : compressed image checksum is incorrect 0x54B2C70A
Expected a checksum of 0x04B2C70A

*** System received a Software forced crash ***
signal= 0x17, code= 0x5, context= 0x0
PC = 0x800080d4, Cause = 0x20, Status Reg = 0x3041f003
This can be caused by a Cisco IOS software image that has actually been corrupted during transfer to the router. In this case, you can load a new image onto the router to resolve the issue.

It can also be caused by faulty memory hardware or by a software bug.



Source: Understanding Software-forced Crashes http://www.cisco.com/en/US/products/hw/routers/ps359/products_tech_note09186a008010260c.shtml
Last edited by the4thstooge on Tue Jan 07, 2014 4:38 pm, edited 1 time in total.
Reason and free inquiry are the only effectual agents against error. --Thomas Jefferson.

SimonV
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Re: 1841 - System received a Software forced crash

Tue Jan 07, 2014 4:36 pm

Just tried formatting, still the same. I think my 2811 has a CF card, will check tomorrow

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ristau5741
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Re: 1841 - System received a Software forced crash

Wed Jan 08, 2014 8:47 am

SimonV wrote:Just tried formatting, still the same. I think my 2811 has a CF card, will check tomorrow



format the CF card on the 2811
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SimonV
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Re: 1841 - System received a Software forced crash

Fri Jan 10, 2014 3:43 pm

Other CF card taken from my 2800, still the same error.

What's next, get new RAM? :cry:

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wintermute000
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Re: 1841 - System received a Software forced crash

Fri Jan 10, 2014 11:42 pm

thats about it, if you've isolated the CF

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the4thstooge
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Re: 1841 - System received a Software forced crash

Sat Jan 11, 2014 3:44 am

Hi,

I am not sure if this will be of any help but,

During bootup, the router might display the pre- and post-compression image sizes disagree error message after which booting ceases.

Possible causes include:

corrupted software image
faulty Flash memory
faulty DRAM
bad memory slot

If the installation of a new image fails to resolve the problem, you can swap out the memory. If you replace the Flash and DRAM, and this fails to resolve the problem, there is a chance that the memory slot on the chassis is faulty. Then, you need to use the TAC Service Request Tool (registered customers only) to create a service request in order to resolve the hardware issue.


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

The information in this document is based on Cisco 2800 Series Routers.

Thank you
Reason and free inquiry are the only effectual agents against error. --Thomas Jefferson.

SimonV
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Re: 1841 - System received a Software forced crash

Sat Jan 11, 2014 7:49 am

So I opened it up, only to discover that the memory slot is already empty.
If it's a RAM issue, it has to be a chip on the motherboard. Didn't find any loose SODIMMs already installed.

'

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