Подскажите причину возникновения ситуации
Каталист 3750G-24TS перезагрузился с ошибкой

000178: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: System previously crashed with the following message:
000179: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Cisco IOS Software, C3750 Software (C3750-ADVIPSERVICESK9-M), Version 12.2(46)SE, RELEASE SOFTWARE (fc2)
000180: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Copyright (c) 1986-2008 by Cisco Systems, Inc.
000181: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Compiled Thu 21-Aug-08 15:43 by nachen
000182: .Sep 28 14:23:46: %PLATFORM-1-CRASHED:
000183: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Instruction TLB Miss Exception (0x1200)!
000184: .Sep 28 14:23:46: %PLATFORM-1-CRASHED:
000185: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: SRR0 = 0x33204150  SRR1 = 0x00029230  SRR2 = 0x00627AFC  SRR3 = 0x00021200
000186: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: ESR = 0x00000000  DEAR = 0x00000000  TSR = 0x8C000000  DBSR = 0x00000000
000187: .Sep 28 14:23:46: %PLATFORM-1-CRASHED:
000188: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: CPU Register Context:
000189: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Vector = 0x00001200  PC = 0x33204150  MSR = 0x00029230  CR = 0x20000002
000190: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: LR = 0x33204152  CTR = 0x015C51EC  XER = 0x2000007A
000191: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R0 = 0x33204152  R1 = 0x04A53320  R2 = 0x00000000  R3 = 0x00000000
000192: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R4 = 0x0000001F  R5 = 0x00000005  R6 = 0x00000000  R7 = 0x0000001F
000193: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R8 = 0x000F0400  R9 = 0x015C51EC  R10 = 0x0000001F  R11 = 0x0000978E
000194: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R12 = 0x978E7C00  R13 = 0x00110000  R14 = 0x0002D6B4  R15 = 0x00000000
000195: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R16 = 0x00000000  R17 = 0x00000000  R18 = 0x00000000  R19 = 0x00000000
000196: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R20 = 0x00000000  R21 = 0x00000000  R22 = 0x00000000  R23 = 0x00000000
000197: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R24 = 0x00000000  R25 = 0x00000000  R26 = 0x00000000  R27 = 0x025A0000
000198: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: R28 = 0x302E3220  R29 = 0x31343A38  R30 = 0x393A3439  R31 = 0x3A39373A
000199: .Sep 28 14:23:46: %PLATFORM-1-CRASHED:
000200: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Stack trace:
000201: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: PC = 0x33204150, SP = 0x04A53320
000202: .Sep 28 14:23:46: %PLATFORM-1-CRASHED: Frame 00: SP = 0x38393A31    PC = 0x33204152
000203: .Sep 28 14:23:46: %PLATFORM-1-CRASHED:
0

после загрузки:

#sh processes cpu sorted

CPU utilization for five seconds: 28%/2%; one minute: 16%; five minutes: 18%
PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
   9       79269     49342       1606 15.49%  2.46%  1.91%   0 ARP Input
191       79511    258707        307  4.15%  4.10%  4.02%   0 IP Input
293       22585      2922       7729  0.95%  0.78%  0.79%   0 CEF: IPv4 proces
197       12646     49837        253  0.79%  0.67%  0.61%   0 Spanning Tree

#sh processes memory sorted

Processor Pool Total:   79459296 Used:   53295024 Free:   26164272
      I/O Pool Total:   12574720 Used:    8629324 Free:    3945396

PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
   0   0   54660044   11899824   39430252          0          0 *Init*
   9   0   11710968     774660   10666448        780          0 ARP Input
295   0    1588116      14552    1536952          0          0 IP Background
   0   0   11758172    9972344    1534084   10468472    2283560 *Dead*
242   0    1085512       6244    1088084          0          0 IP RIB Update
  53   0    1084748     761524     663160          0          0 Collection proce

#sh env all
FAN is OK
TEMPERATURE is OK
Temperature Value: 41 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 55 Degree Celsius
Red Threshold    : 65 Degree Celsius
SW  PID                 Serial#     Status           Sys Pwr  PoE Pwr  Watts
--  ------------------  ----------  ---------------  -------  -------  -----
1  Built-in                                         Good

SW  Status          RPS Name          RPS Serial#  RPS Port#
--  -------------   ----------------  -----------  ---------
1   Not Present     <>

Подскажите вчем может быть причина такого поведения? И что за процесс *Dead*
Спасибо.