[c-nsp] 7200 Bus error crash and strange disk error

Osama I. Dosary oid at saudi.net.sa
Sun Oct 10 07:21:02 EDT 2004


Hello,
We have a 7200 that keeps on crashing, giving the error "System returned 
to ROM by bus error at PC 0x80007D98, address 0x7DE8 at 12:13:17 AST Sun 
Oct 10 2004".
I couldn't find anything on the web or Cisco's site and tools to explain 
it.

We were running IOS 12.2-7a, when it a crashed a couple times and 
couldn't find any reason, I thought there might be an undocumented bug, 
so I set it to load 12.3-5d if it crashes again. It crashed again and 
took on the new IOS (12.3-5a.) And it also crashed twice when running 
the 12.3-5d.

I also noticed this error message in the loggs:
"Oct 10 14:00:57: %PCMCIAFS-5-DIBERR: PCMCIA disk 0 is formatted from a 
different router or PC. A format in this router is required before an 
image can be booted from this device" Yet it still boots from this disk.

By the way, we haven't changed anything on the router. It has been the 
same IOS and disk for the past year.

Any clues as to what is going on here? Might these two errors be related?

(I've attached the show ver, show context and show region.)

thanks,
Osama I. Al-Dosary


show ver:
System returned to ROM by bus error at PC 0x80007D98, address 0x7DE8 at 
12:13:17 AST Sun Oct 10 2004
System restarted at 12:15:47 AST Sun Oct 10 2004
System image file is "sup-slot0:/c7200-js-mz.123-5d.bin"

cisco 7206VXR (NPE300) processor (revision B) with 122880K/40960K bytes 
of memory.
Processor board ID 16073835
R7000 CPU at 262MHz, Implementation 39, Rev 1.0, 256KB L2, 2048KB L3 Cache
6 slot VXR midplane, Version 2.0

Last reset from power-on
Channelized E1, Version 1.0.
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
Primary Rate ISDN software, Version 1.1.

PCI bus mb0_mb1 has 200 bandwidth points
PCI bus mb2 has 0 bandwidth points

1 FastEthernet/IEEE 802.3 interface(s)
5 Serial network interface(s)
8 Channelized E1/PRI port(s)
125K bytes of non-volatile configuration memory.

46976K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes).
4096K bytes of Flash internal SIMM (Sector size 256K).
Configuration register is 0x102


show context:

System was restarted by bus error at PC 0x80007D98, address 0x7DE8 at 
12:13:17 AST Sun Oct 10 2004
7200 Software (C7200-JS-M), Version 12.3(5d), RELEASE SOFTWARE (fc1)
Compiled Tue 08-Jun-04 20:09 by kellythw
Image text-base: 0x60008AF4, data-base: 0x61FB6000


Stack trace from system failure:
FP: 0x80007D28, RA: 0x80007D98
FP: 0x80007D98, RA: 0x60798574

Fault History Buffer:
7200 Software (C7200-JS-M), Version 12.3(5d), RELEASE SOFTWARE (fc1)
Compiled Tue 08-Jun-04 20:09 by kellythw
Signal = 10, Code = 0x8, Uptime 03:32:28
$0 : 00000000, AT : 63150000, v0 : 622A0000, v1 : 634E0000
a0 : 634A5FA0, a1 : 000073DB, a2 : 0000001C, a3 : BE83F48C
t0 : 634D3D70, t1 : 00000013, t2 : A0000000, t3 : 00000000
t4 : 000C2869, t5 : 001373DB, t6 : 60000000, t7 : 634D98A8
s0 : C69B85AC, s1 : 634A84F0, s2 : 70576CAD, s3 : 622A0000
s4 : 622A0000, s5 : 622A0000, s6 : 634B0000, s7 : 634B0000
t8 : 0D0D0D0D, t9 : 634D8574, k0 : 3040D001, k1 : BE840244
gp : 63159308, sp : 80007D28, s8 : 00000000, ra : 80007D40
EPC : 80007D98, SREG : 3400FF03, Cause : 00000008
Error EPC : AFC9BF07, BadVaddr : 00007DE8

sh region:

Region Manager:

      Start         End     Size(b)  Class  Media  Name
 0x07800000  0x07FFFFFF     8388608  Iomem  R/W    iomem2
 0x20000000  0x21FFFFFF    33554432  Iomem  R/W    iomem
 0x57800000  0x57FFFFFF     8388608  Iomem  R/W    iomem2:(iomem2_cwt)
 0x60000000  0x677FFFFF   125829120  Local  R/W    main
 0x60008AF4  0x61FB57EF    33213692  IText  R/O    main:text
 0x61FB6000  0x63152C1F    18467872  IData  R/W    main:data
 0x63152C20  0x6364FA5F     5230144  IBss   R/W    main:bss
 0x6364FA60  0x677FFFFF    68879776  Local  R/W    main:heap
 0x70000000  0x71FFFFFF    33554432  Iomem  R/W    iomem:(iomem_cwt)
 0x80000000  0x877FFFFF   125829120  Local  R/W    main:(main_k0)
 0xA0000000  0xA77FFFFF   125829120  Local  R/W    main:(main_k1)



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