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2924 keeps rebooting after a few minutes

My 2924 keeps rebooting after a few minutes.

I loaded the latest ios and it failed loading.

after installing an older ios the switch has been functional and can be reached by ip and console.

but why is it keeping rebooting???

any advise will be welcome.

followed by switch output:

%Software-forced reload

Buffered messages:

%SYS-5-CONFIG_I: Configured from memory by console

%SYS-5-RESTART: System restarted --

Cisco Internetwork Operating System Software

IOS (tm) C2900XL Software (C2900XL-HS-M), Version 11.2(8.5)SA6, MAINTENANCE INTE

RIM SOFTWARE

Copyright (c) 1986-1999 by cisco Systems, Inc.

Compiled Fri 08-Oct-99 16:43 by cchang

Queued messages:

validblock_diagnose, code = 1

current memory block, bp = 0x700397C8,

memory pool type is I/O

data check, ptr = 0x700397EC

next memory block, bp = 0x700398CC,

memory pool type is I/O

data check, ptr = 0x700398F0

previous memory block, bp = 0x700396C4,

memory pool type is I/O

data check, ptr = 0x700396E8

%SYS-3-OVERRUN: Block overrun at 700397C8 (redzone 00000000)

-Traceback= D12AC 1225A0 124B54 125714 12589C

%SYS-6-MTRACE: malloc: addr,pc

3FD3A8,974C4 3FD3A8,122228 3DF58C,974C4 3FD3A8,122228

3DF58C,974C4 3FD3A8,122228 3DF58C,974C4 3FD3A8,122228

%SYS-6-MTRACE: free: addr,pc

3DF58C,96B6C 3FD3A8,12B6EC 3DF58C,96B6C 3FD3A

3DF58C,96B6C 3FD3A8,12B6EC 3DF58C,96B6C 3FD3A8,12B6EC

%SYS-6-BLKINFO: Corrupted redzone blk 700397C8, words 112, alloc 101D48, InUse,

dealloc 0, rfcnt 1

%SYS-6-MEMDUMP: 0x700397C8: 0xAB1234CD 0x16 0x360754 0x25CDCC

%SYS-6-MEMDUMP: 0x700397D8: 0x101D48 0x700398CC 0x700396D8 0x80000070

Exception (8192)! Debug Exception (Could be NULL pointer dereference)

CPU Register Context:

Vector = 0x00002000 PC = 0x0013B5B4 MSR = 0x00029200 CR = 0x22000042

LR = 0x0013B5B4 CTR = 0x00134B14 XER = 0x2000000

R0 = 0x0013B5B4 R1 = 0x00311CF0 R2 = 0x00000000 R3 = 0x00000000

R4 = 0x00000000 R5 = 0x00313314 R6 = 0x00000002 R7 = 0x00000000

R8 = 0x002E0000 R9 = 0x002E0000 R10 = 0x00000000 R11 = 0x00029200

R12 = 0x22000042 R13 = 0x00000000 R14 = 0x00000000 R15 = 0x00000000

R16 = 0x00000000 R17 = 0x00000000 R18 = 0x00000000 R19 = 0x00000000

R20 = 0x00000000 R21 = 0x00000000 R22 = 0x00000000 R23 = 0x00000000

R24 = 0xAB1234CD R25 = 0xAB1234CD R26 = 0x00000001 R27 = 0x0025D190

R28 = 0x700397EC R29 = 0x002B7478 R30 = 0x002D5A84 R31 = 0x00000000

Stack trace:

PC = 0x0013B5B4, SP = 0x00311CF0

Frame 00: SP = 0x00311D00 PC = 0x0013B5B4

Frame 01: SP = 0x00311D20 PC = 0x001225D0

Frame 02: SP = 0x00311D50 PC = 0x00124B54

Frame 03: SP = 0x00311D68 PC = 0x00125714

Frame 04: SP = 0x00311D80 PC = 0x0012589C

Frame 05: SP = 0x00000000 PC = 0x0013FA50

C2900XL Boot Loader (C2900-HBOOT-M) Version 11.2(8)SA3, RELEASE SOFTWARE (fc1)

Compiled Fri 11-Sep-98 17:00 by rheaton

starting.

Base ethernet MAC Address: 00:50:e2:b2:ae:80

Xmodem file system is available.

Initializing Flash...

flashfs[0]: 173 files, 5 directories

flashfs[0]: 0 orphaned files, 0 orphaned directories

flashfs[0]: Total bytes: 1728000

flashfs[0]: Bytes used: 1628160

flashfs[0]: Bytes available: 99840

flashfs[0]: flashfs fsck took 3 seconds.

...done Initializing Flash.

Loading "flash:c2900XL-hs-mz-112.8.5-SA6.bin"...################################

##########################################################################

File "flash:c2900XL-hs-mz-112.8.5-SA6.bin" uncompressed and installed, entry poi

nt: 0x3000

executing...

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

San Jose, California 95134-1706

%SYS-5-CONFIG_I: Conf

Cisco Internetwork Operating System Software

%SYS-5-RESTA

IOS (tm) C2900XL Software (C2900XL-HS-M), Version 11.2(8.5)SA6, MAINTENANCE INTErating System Software

IOS (tm) C290

RIM SOFTWARE(C2900XL-HS-

Copyright (c) 1986-1999 by cisco Systems, Inc.

Compiled Fri 08-Oct-99 16:43 by cchangARE

Copyright (c) 1986-199

Image text-base: 0x00003000, data-base: 0x0020E5C0

Compiled Fri 08-Oct-99 16:43 b

Initializing C2900XL flash...

C2900XL INIT:

flashfs[5]: 173 files, 5 directoriesh>

switch>

%Software-

flashfs[5]: 0 orphaned files, 0 orphaned directorieses:

%SYS-5-CONFIG_I: Configured f

flashfs[5]: Total bytes: 1728000

flashfs[5]: Bytes used: 1628160started --

C2900XL POST: MII Test: Passed

cisco WS-C2924-XL (PowerPC403GA) processor (revision 0x11) with 4096K/640K bytes

3CB11C,122228

of memory. 3FAAC

Processor board ID 0x07, with hardware revision 0x00

%SYS-6-MTR

Processor is running Enterprise Edition Software

Cluster member switch capable

24 Ethernet/IEEE 802.3 interface(s)

32K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address: 00:50:E2:B2:AE:80

Motherboard assembly number: 73-2910-06

Motherboard serial number: FAA02519FJS

System serial number: FAA0251Z0FC

Press RETURN to get started!

%SYS-5-CONFIG_I: Configured from memory by console

%SYS-5-RESTART: System restarted --

Cisco Internetwork Operating System Software

IOS (tm) C2900XL Software (C2900XL-HS-M), Version 11.2(8.5)SA6, MAINTENANCE INTE

RIM SOFTWARE

Copyright (c) 1986-1999 by cisco Systems, Inc.

Compiled Fri 08-Oct-99 16:43 by cchang

C2900XL INIT: Complete

switch>

1 REPLY
New Member

Re: 2924 keeps rebooting after a few minutes

Try erasing the flash and re-flashing it with the "known good" code.

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