2900 router crash problem

[lingampallyravi]

Almost every day the router crashes and reboots .

Below is the error . Router has been replaced,  So its not a hardware issue . Either IOS or configuration issue .

System returned to ROM by bus error at PC 0x234B0F54, address 0xB0D0B39 at 11:27:30 AEDT Mon Oct 15 2012

System restarted at 11:29:38 AEDT Mon Oct 15 2012

System image file is "flash:c2900-universalk9-mz.SPA.152-4.M1.bin"

Last reload type: Normal Reload

Last reload reason: bus error at PC 0x234B0F54, address 0xB0D0B39

#sh region

Region Manager:

      Start         End     Size(b)  Class  Media  Name

0x0DC00000  0x0FFFFFFF    37748736  Iomem  R/W    iomem

0x20000000  0x2DBFFFFF   230686720  Local  R/W    main

0x21003898  0x26D57E57    97863104  IText  R/O    main:text

0x26D5AFC0  0x2B65AA7F    76544704  IData  R/W    main:data

0x2ADCFA60  0x2B659EB3     8954964  Local  R/W    data:heap

0x2B65AA80  0x2C6012FF    16410752  IBss   R/W    main:bss

0x2C601300  0x2DBFFFFF    23063808  Local  R/W    main:heap

0x30000000  0x3FFFFFFF   268435456  Local  R/W    Main_memory_1

0x80000000  0x8DBFFFFF   230686720  Local  R/W    main:(main_k0)

0xA0000000  0xADBFFFFF   230686720  Local  R/W    main:(main_k1) 

Free Region Manager:

      Start         End     Size(b)  Class  Media  Name

Crash Info attached

Can anyone see anything obvious ?

[Franklin Stennet]

Hi Ravi,

I looked over the crashes, the problem is bug related.  This behavior was previously solved on CSCts35798 (which is a duplicate  of CSCtx59639, 15.2(03)T1 should be the first IOS that has the bug-avoidance code) but it seems to be that it is still happening on 152-4.M1,  if I'm not mistaken we have opened a new bug for this behavior on your  IOS. I'd suggest you to open a case with TAC so we can track this  problem down.

- Frank