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2960XR-48FPSI Unexpected exception to CPUvector 300

mhumphries73
Level 1
Level 1

when i boot up our 2960-xr i get the followinig error

08:42:04 UTC Mon Aug 6 2018: Unexpected exception to CPUvector 300, PC = 2C8DC68
-Traceback= 0x2C8DC68z 0x2B92EBCz 0x2B8F5BCz 0x2B8C0DCz 0x21A0F70z 0x21A114Cz 0x21A12C4z 0x567B18z 0x567D40z 0x2E31644z 0x2E2D340z

Writing crashinfo to flash:/crashinfo_ext/crashinfo_ext_7

=== Flushing messages (08:42:12 UTC Mon Aug 6 2018) ===

Buffered messages:
Queued messages:
Aug 6 08:42:12.230: %SYS-3-LOGGER_FLUSHING: System pausing to ensure console debugging output.

*Mar 1 00:01:01.722: Read env variable - LICENSE_BOOT_LEVEL =
*Jan 2 00:00:00.150: %IOS_LICENSE_IMAGE_APPLICATION-6-LICENSE_LEVEL: Module name = c2960xr_iplite Next reboot level = iplite and License = iplite
Aug 6 08:41:44.118: in Switch 0. Cannot read pid from Flexstack module

Aug 6 08:41:44.219: %HPAA:hpaa_port_bitmap_init:254:n_ports = 52, sizeof (**hpaa_port_bitmap.bitlist_array) = 16

Aug 6 08:42:04.516: %PLATFORM_IPC-3-COMMON: Init failed before IPC init
-Traceback= 555EECz 2825F50z 295556Cz 21A0F70z 21A114Cz 21A12C4z 567AD0z 567D40z 2E31644z 2E2D340z
Aug 6 08:42:04.628: platform assert failure: 0: ../src-hulc/src-strider/strider_hqatm.c: 5446: strider_hqatm_set_snap_bridging
Aug 6 08:42:04.628: -Traceback= 557360z 2953090z 2BA7E58z 2821BB8z 21A0F70z 21A114Cz 21A12C4z 567B18z 567D40z 2E31644z 2E2D340z
Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(2)E6, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2016 by Cisco Systems, Inc.
Compiled Fri 16-Dec-16 21:27 by prod_rel_team

Data Access Exception (0x0300)!
SRR0 = 0x02C8DC68 SRR1 = 0x00029200 SRR2 = 0x021DC8D8 SRR3 = 0x00029200
ESR = 0x00800000 DEAR = 0x00000B00 TSR = 0x84000000 DBSR = 0x00000000

CPU Register Context:
Vector = 0x00000300 PC = 0x02C8DC68 MSR = 0x00029200 CR = 0x59000039
LR = 0x02B92EBC CTR = 0x004879C0 XER = 0xE000003F
R0 = 0x780A43A6 R1 = 0x05B92F60 R2 = 0x00000000 R3 = 0x00000B00
R4 = 0x00000000 R5 = 0x00042805 R6 = 0xC0000B00 R7 = 0x0000000A
R8 = 0x7C7043A6 R9 = 0x00000010 R10 = 0x010A0170 R11 = 0x000A0000
R12 = 0x0000000B R13 = 0x1F183AA8 R14 = 0x00567CE4 R15 = 0x00000000
R16 = 0x00000000 R17 = 0x00000000 R18 = 0x00000000 R19 = 0x00000000
R20 = 0x00000000 R21 = 0x00000000 R22 = 0x00000000 R23 = 0x00000000
R24 = 0x00000000 R25 = 0x00000000 R26 = 0x00000000 R27 = 0x041F0000
R28 = 0x00000000 R29 = 0x05B92F90 R30 = 0x00000000 R31 = 0x05308B2C

Stack trace:
PC = 0x02C8DC68, SP = 0x05B92F60
Frame 00: SP = 0x05B92F68 PC = 0x0360C06C
Frame 01: SP = 0x05B92F80 PC = 0x02B8F5BC
Frame 02: SP = 0x05B92FC0 PC = 0x02B8C0DC
Frame 03: SP = 0x05B92FD0 PC = 0x021A0F70
Frame 04: SP = 0x05B92FF0 PC = 0x021A114C
Frame 05: SP = 0x05B93008 PC = 0x021A12C4
Frame 06: SP = 0x05B93038 PC = 0x00567B18
Frame 07: SP = 0x05B93138 PC = 0x00567D40
Frame 08: SP = 0x05B93140 PC = 0x02E31644
Frame 09: SP = 0x00000000 PC = 0x02E2D340

 

 

i have tried booting the following IOS versions


 c2960x-universalk9-mz.152-6.E.bin
c2960x-universalk9-mz.152-4.E3.bin
c2960x-universalk9-mz.152-2.E7.bin
c2960x-universalk9-mz.152-2.E6.bin

 

all of them give the same error.

 

tried to remove the Config.text file and hope to at least boot up the systm, but it is a no go for boot that way either.

 

3 Replies 3

Hi, there are a lot of posts with the same issue.

Someone solved removing the command "login on-success log" from the config.

 

Let us know your result.

Regards.

 

Leo Laohoo
Hall of Fame
Hall of Fame
Console into the switch and reboot.
We want to see the entire boot-up process and crash.

ysotocob
Cisco Employee
Cisco Employee
I decoded the information posted and I was able to determine that the root cause of the crash is related to a hardware failure.
I would suggest to reset the DRAM memories. If that fails open a ticket with Cisco TAC to start the replacement process.
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