It's happening in the loader too, so it can't just be an IOS bug. Unless you just updated the boot loader, I would bet on hardware failure.
On Tuesday, November 8, 2016, Christopher Werny <cwe...@ernw.de> wrote: > Hello, > > may I query the wisdom of this list for feedback regarding an issue we have > with a 2960-X > > Since today, our 2960-X is in a rebooting loop and I see the following > error > messages on the local console during the boot process: > > Initializing Flash... > mifs[5]: 12 files,Err: Interrupt: Machine check (0x200): Data access error: > PC: 0x1f19f8bc, MSR: 0x00021000, ESR: 0x00000000, MCSR: 0x84800000 > (Bailed out.) > Err: Interrupt: Machine check (0x200): Data access error: > PC: 0x1f19f8bc, MSR: 0x00021000, ESR: 0x00000000, MCSR: 0x84800000 > (Bailed out.) > Err: Interrupt: Machine check (0x200): Data access error: > PC: 0x1f19f8bc, MSR: 0x00021000, ESR: 0x00000000, MCSR: 0x84800000 > (Bailed out.) > Err: Interrupt: Machine check (0x200): Data access error: > PC: 0x1f19f8bc, MSR: 0x00021000, ESR: 0x00000000, MCSR: 0x84800000 > (Bailed out.) > Err: Interrupt: Machine check (0x200): Data access error: > PC: 0x1f19f8bc, MSR: 0x00021000, ESR: 0x00000000, MCSR: 0x84800000 > (Bailed out.) > Err: Interrupt: Machine check (0x200): Data access error: > > PC: 0x1f19f8bc, MSR: 0x00021000, ESR: 0x00000000, MCSR: 0x84800000 > > (Bailed out.) > > > > Panic: Too many exceptions: Turn off Machine Check interrupt!! > > > 1 directories > mifs[5]: Total bytes : 1806336 > mifs[5]: Bytes used : 834560 > mifs[5]: Bytes available : 971776 > mifs[5]: mifs fsck took 2 seconds. > mifs[6]: 1 files, 1 directories > mifs[6]: Total bytes : 3870720 > mifs[6]: Bytes used : 971264 > mifs[6]: Bytes available : 2899456 > mifs[6]: mifs fsck took 1 seconds. > mifs[7]: 5 files, 1 directories > mifs[7]: Total bytes : 258048 > mifs[7]: Bytes used : 8192 > mifs[7]: Bytes available : 249856 > mifs[7]: mifs fsck took 0 seconds. > mifs[8]: 5 files, 1 directories > mifs[8]: Total bytes : 258048 > mifs[8]: Bytes used : 8192 > mifs[8]: Bytes available : 249856 > mifs[8]: mifs fsck took 0 seconds. > mifs[9]: 9 files, 2 directories > mifs[9]: Total bytes : 122185728 > mifs[9]: Bytes used : 48398848 > mifs[9]: Bytes available : 73786880 > mifs[9]: mifs fsck took 45 seconds. > ...done Initializing Flash. > Loading "flash:c2960x-universalk9-mz.152-4.E1.bin"...Verifying image > flash:c2960x-universalk9-mz.152-4.E1.bin.................. > .................. > ............n > @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ > @@@@@@@@@@@@@@@@ > @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ > @@@@@@@@@@@@@@@@ > @@@@@@ > File "flash:c2960x-universalk9-mz.152-4.E1.bin" uncompressed and > installed, > entry point: 0x3000 > executing... > > : Unexpected exception to CPUvector 200, PC = 36A0484 > -Traceback= 0x36A0484z > > > === Flushing messages () === > > Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version > 15.2(4)E1, RELEASE SOFTWARE (fc2) > Technical Support: http://www.cisco.com/techsupport > Copyright (c) 1986-2016 by Cisco Systems, Inc. > Compiled Thu 28-Jan-16 15:56 by prod_rel_team > > Machine Check Exception (0x0200)! > ESR: 0x00000000 > SRR0: 0x036A0484 SRR1: 0x00029200 SRR2: 0x02F35B70 SRR3: 0x00028000 > MCSR: 0x84800000 > L2MCSR: 0x00000000 > > CPU Register Context: > Vector = 0x00000200 PC = 0x036A0484 MSR = 0x00029200 CR = 0x00000000 > LR = 0x0369C1A4 CTR = 0x0369421C XER = 0xE000007E > R0 = 0x00000000 R1 = 0x0779DD88 R2 = 0x00000000 R3 = 0x00000000 > R4 = 0x036A0484 R5 = 0x00029200 R6 = 0xBEEFCAFE R7 = 0xBEEFCAFE > R8 = 0x00400080 R9 = 0x00000001 R10 = 0x07791160 R11 = 0x07791150 > R12 = 0x33003033 R13 = 0x1F1828CC R14 = 0x02918E6C 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 = 0x00000000 > R28 = 0x00000000 R29 = 0x00000000 R30 = 0x00000000 R31 = 0x00000000 > > Stack trace: > PC = 0x036A0484, SP = 0x0779DD88 > Frame 00: SP = 0x00000000 PC = 0x02951BEC > > The only thing I was able to find was a post on the support forum with the > same issue, but with no resolution. I wasn't able to find bug id that would > indicate an IOS bug (but my search skills may have failed me). > > https://supportforums.cisco.com/discussion/13092381/cisco- > switch-2960-x-seri > es-error > > I need to check with TAC, but from your point of view, does it look more > like a hardware failure or a potential IOS bug? > > Thanks in advance for your feedback > > Cheers, > Christopher > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net <javascript:;> > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- -- Hunter Fuller Network Engineer VBRH Annex B-1 +1 256 824 5331 Office of Information Technology The University of Alabama in Huntsville Systems and Infrastructure _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/