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New ISRG2 2921 restarts very often.

grzegorzniecka
Level 1
Level 1

Dear all,

from todays morning my 2921 is restarting about one time per two hours:

uptime is 1 minute

System returned to ROM by bus error at PC 0x23A49808, address 0x0 at 15:45:07 CET Tue Apr 10 2012

System restarted at 15:46:39 CET Tue Apr 10 2012

System image file is "flash0:c2900-universalk9-mz.SPA.152-2.T.bin"

Last reload type: Normal Reload

Last reload reason: bus error at PC 0x23A49808, address 0x0

#sh region

Region Manager:

...

0x21000B78  0x26868463    92698860  IText  R/O    main:text

...

#sh context 

System was restarted by bus error at PC 0x23A49808, address 0x0 at 15:45:07 CET Tue Apr 10 2012

C2900 Software (C2900-UNIVERSALK9-M), Version 15.2(2)T, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Compiled Tue 15-Nov-11 22:10 by prod_rel_team

Image text-base: 0x21002A78, data-base: 0x2686C1A0

Stack trace from system failure:

FP: 0x2B76A4F0, RA: 0x23A49808

FP: 0x2B76A520, RA: 0x23A540A8

FP: 0x2B76A578, RA: 0x23A5AEC8

FP: 0x2B76A598, RA: 0x22ACDFA4

FP: 0x2B76A5E8, RA: 0x211966A0

FP: 0x2B76A628, RA: 0x21198374

FP: 0x2B76A6A0, RA: 0x211994A4

FP: 0x2B76A6D8, RA: 0x211729F0

Fault History Buffer:

C2900 Software (C2900-UNIVERSALK9-M), Version 15.2(2)T, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Compiled Tue 15-Nov-11 22:10 by prod_rel_team

Signal = 10, Code = 0xC, Uptime 02:20:07

$0 : 00000000, AT : 00000000, v0 : 00000001, v1 : 00000003

a0 : 00000001, a1 : 00000003, a2 : 00000001, a3 : 2A1C0000

t0 : 0000FFFF, t1 : 000001B8, t2 : 00000000, t3 : 00000000

t4 : 23A49660, t5 : 00000001, t6 : 00000001, t7 : 00000001

s0 : 00000000, s1 : 2A1C0000, s2 : 2B270600, s3 : 33A5C008

s4 : 0000001E, s5 : 00000000, s6 : 2A1C0000, s7 : 0000001F

t8 : 00000000, t9 : 00000005, k0 : 00000000, k1 : 00000000

gp : 2A6CB220, sp : 2B76A4F0, s8 : 2BCD2A0C, ra : 23A49694

EPC : 23A49808, SREG : 500099E3, Cause : 0000000C

Error EPC : 80413D20, BadVaddr : 00000000

TEXT_START : 0x21002A78

DATA_START : 0x2686C1A0

What this can be the issue?

Regards

2 Replies 2

paolo bevilacqua
Hall of Fame
Hall of Fame

Typically bug crash.

Cisco has removed he ability to look for bugs using the stack trace, so either you contact the TAC, or blindly try a different IOS version.

gephelps
Cisco Employee
Cisco Employee

This is a software bug. You should upgrade to 15.2(2)T1 or later for CSCtw67283

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