[c-nsp] 7204 NPE Bus Error

[Rodney Dunn]

I decoded the tracebacks adn they point to the buffer
allocation routines if it's the right version listed.

What boot image do you have in bootflash?

Does it do the same thing if you erase the configuration
and reboot it?

Rodney

On Thu, Jul 24, 2008 at 03:38:40PM -0500, Peder @ NetworkOblivion wrote:
> Does anybody know how to figure out what a bus error means 
> on a 7204VXR with NPE300?  We have one that works fine for 
> about 2 weeks and then it crashes.  If you reboot it, it 
> goes in an endless bus error loop.  If you leave it off and 
> fiddle with the cards, memory, etc and re-seat it all, 
> eventually it will boot, but this sometimes takes days to 
> get in there.
> 
> There is a link on cisco.com titled Troubleshooting Bus 
> Error Crashes, but it isn't really much help.
> 
> It gets an error during the bootstrap and then another 
> error upon loading IOS and then just loops 2 or 3 times 
> before freezing.  There is an entry that says "possible 
> software fault", but I can't imagine that is the case as 
> there are errors before it even gets to IOS.  Here is the 
> log from a fresh boot.
> 
> 
> 
> System Bootstrap, Version 12.0(19990210:195103) [12.0XE 
> 105], DEVELOPMENT SOFTWARE
> Copyright (c) 1994-1999 by cisco Systems, Inc.
> C7200 platform with 262144 Kbytes of main memory
> 
> 
> 
> Self decompressing the image : 
> #####################################################################
> ###################################################################################################
> ###################################################################################################
> ################# [OK]
> 
> === Flushing messages () ===
> 
> 
> *** System received a Bus Error exception ***
> 
> signal= 0xa, code= 0x1c, context= 0x6087a8d0
> 
> PC = 0x60362a38, Cause = 0x4020, Status Reg = 0x34008002
>  System Bootstrap, Version 12.0(19990210:195103) [12.0XE 
>  105], DEVELOPMENT SOFTWARE
> Copyright (c) 1994-1999 by cisco Systems, Inc.
> C7200 platform with 262144 Kbytes of main memory
> 
> 
> 
> Self decompressing the image : 
> #####################################################################
> ###################################################################################################
> ################################################################## [OK]
>                Restricted Rights Legend
> 
> Use, duplication, or disclosure by the Government is
> subject to restrictions as set forth in subparagraph
> (c) of the Commercial Computer Software - Restricted
> Rights clause at FAR sec. 52.227-19 and subparagraph
> (c) (1) (ii) of the Rights in Technical Data and Computer
> Software clause at DFARS sec. 252.227-7013.
> 
>            cisco Systems, Inc.
>            170 West Tasman Drive
>            San Jose, California 95134-1706
> 
> 
> 
> Cisco Internetwork Operating System Software
> IOS (tm) 7200 Software (C7200-IK9S-M), Version 12.3(26), 
> RELEASE SOFTWARE (fc2)
> Technical Support: http://www.cisco.com/techsupport
> Copyright (c) 1986-2008 by cisco Systems, Inc.
> Compiled Mon 17-Mar-08 19:27 by dchih
> 
> 
> 
>  : Data Bus Error exception, CPU signal 10, PC = 0x61F3F138
> 
> 
> 
> --------------------------------------------------------------------
>    Possible software fault. Upon reccurence,  please collect
>    crashinfo, "show tech" and contact Cisco Technical 
>    Support.
> --------------------------------------------------------------------
> 
> 
> -Traceback= 61F3F138 607F41D4 607F431C 607F2E98 607EEF60 
> 607E9F68 60783190 607FC398 6088E990
> 60782F90 60714030 60714470 607DDC94 607DDC78
> $0 : 00000000, AT : 632E0000, v0 : 0000000B, v1 : 63670000
> a0 : 20000000, a1 : 63686A88, a2 : 00000028, a3 : 622AF9CC
> t0 : 00000000, t1 : 00000000, t2 : 00000008, t3 : 00000008
> t4 : 00000000, t5 : 639224AC, t6 : 639224A8, t7 : 639224A4
> s0 : 00000009, s1 : 20000000, s2 : 63686A84, s3 : 00000000
> s4 : 63686A84, s5 : 63434878, s6 : 00000024, s7 : 00000021
> t8 : 639224EC, t9 : 00000000, k0 : 3040D001, k1 : BE840244
> gp : 632EE318, sp : 638F9138, s8 : 62280000, ra : 607F41D4
> EPC  : 61F3F138, ErrorEPC : FE9A6CDB, SREG     : 3400C103
> MDLO : 00000009, MDHI     : 00000010, BadVaddr : 3E665C36
> DATA_START : 0x61F4DEF0
> Cause 0000401C (Code 0x7): Data Bus Error exception
> 
> 
> === Flushing messages () ===
> 
> 
> *** System received a Bus Error exception ***
> 
> signal= 0xa, code= 0x1c, context= 0x636a2c04
> 
> PC = 0x60815e38, Cause = 0x4020, Status Reg = 0x34008002
> 
> 
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