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router C3900-SPE200/K9 log HIGH CPU

HI all,

 

i have a router C3900-SPE200 this uotput the log %ENVMON-1-CPU_CORE_WARNING_OVERTEMP: Warning: CPU core is very hot value = 18. It exceeds threshold 22. Please resolve system cooling immediately to prevent system damage.  but checking the commands sh processes cpu history is 5% utilization the CPU.

 

the command sh processes cpu sorted is:

 

CPU utilization for five seconds: 0%/0%; one minute: 1%; five minutes: 1%

PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process

  68    66895500    33356153       2005  0.19%  0.19%  0.19%   0 Per-Second Jobs

   1          70        6134         11  0.00%  0.00%  0.00%   0 Chunk Manager

   2       16362     6671219          2  0.00%  0.00%  0.00%   0 Load Meter

   3           0          55          0  0.00%  0.00%  0.00%   0 TACACS+

   4           0           1          0  0.00%  0.00%  0.00%   0 EDDRI_MAIN

   5           0           1          0  0.00%  0.00%  0.00%   0 RO Notify Timers

   6    11967112     4516886       2649  0.00%  0.02%  0.00%   0 Check heaps

   7       15596      562799         27  0.00%  0.00%  0.00%   0 Pool Manager

   8           0           1          0  0.00%  0.00%  0.00%   0 DiscardQ Backgro

   9           0           2          0  0.00%  0.00%  0.00%   0 Timers

  10           6        2967          2  0.00%  0.00%  0.00%   0 WATCH_AFS

  11           0           1          0  0.00%  0.00%  0.00%   0 License Client N

  12           0           1          0  0.00%  0.00%  0.00%   0 Image License br

  13     5636418      555841      10140  0.00%  0.01%  0.00%   0 Licensing Auto U

  14           0           1          0  0.00%  0.00%  0.00%   0 OIR Handler

  16           0           1          0  0.00%  0.00%  0.00%   0 Crash writer

  17           0           1          0  0.00%  0.00%  0.00%   0 Exception contro

  18   101094220    33254505       3040  0.00%  0.30%  0.28%   0 Environmental mo

  19        1036     6670078          0  0.00%  0.00%  0.00%   0 IPC Event Notifi

  20         336      555841          0  0.00%  0.00%  0.00%   0 IPC Dynamic Cach

  21           0           1          0  0.00%  0.00%  0.00%   0 IPC Session Serv

  22           0           1          0  0.00%  0.00%  0.00%   0 IPC Zone Manager

  23        1514    32566721          0  0.00%  0.00%  0.00%   0 IPC Periodic Tim

  24        1400    32566721          0  0.00%  0.00%  0.00%   0 IPC Deferred Por

  25           0           1          0  0.00%  0.00%  0.00%   0 IPC Process leve

  26           0           1          0  0.00%  0.00%  0.00%   0 IPC Seat Manager

  27          62     1906043          0  0.00%  0.00%  0.00%   0 IPC Check Queue

  28           0           1          0  0.00%  0.00%  0.00%   0 IPC Seat RX Cont

  29           0           1          0  0.00%  0.00%  0.00%   0 IPC Seat TX Cont

  30         268     3335613          0  0.00%  0.00%  0.00%   0 IPC Keep Alive M

  31         920     6670984          0  0.00%  0.00%  0.00%   0 IPC Loadometer

  32         204        4649         43  0.00%  0.00%  0.00%   0 ARP Input

  33        3484    34781026          0  0.00%  0.00%  0.00%   0 ARP Background

  34           0           2          0  0.00%  0.00%  0.00%   0 ATM Idle Timer

  35           0           1          0  0.00%  0.00%  0.00%   0 ATM ASYNC PROC

  36           0           1          0  0.00%  0.00%  0.00%   0 CEF MIB API

  37           0          26          0  0.00%  0.00%  0.00%   0 AAA_SERVER_DEADT

  38           0           1          0  0.00%  0.00%  0.00%   0 Policy Manager

  39           0           2          0  0.00%  0.00%  0.00%   0 DDR Timers

  40           0           6          0  0.00%  0.00%  0.00%   0 Entity MIB API

  41           0           2          0  0.00%  0.00%  0.00%   0 PrstVbl

  42           0           2          0  0.00%  0.00%  0.00%   0 Serial Backgroun

  43           0           1          0  0.00%  0.00%  0.00%   0 RMI RM Notify Wa

  44           0           2          0  0.00%  0.00%  0.00%   0 SMART

  45         734    33356086          0  0.00%  0.00%  0.00%   0 GraphIt

  46           0           2          0  0.00%  0.00%  0.00%   0 Dialer event

  47           0           1          0  0.00%  0.00%  0.00%   0 SERIAL A'detect

  48           0           2          0  0.00%  0.00%  0.00%   0 XML Proxy Client

  49           0           1          0  0.00%  0.00%  0.00%   0 Critical Bkgnd

  50       12196     5652988          2  0.00%  0.00%  0.00%   0 Net Background

  51           0           2          0  0.00%  0.00%  0.00%   0 IDB Work

  52           2       25676          0  0.00%  0.00%  0.00%   0 Logger

  53       26178    33254502          0  0.00%  0.00%  0.00%   0 TTY Background

  54           0           3          0  0.00%  0.00%  0.00%   0 IF-MGR control p

  55           0          14          0  0.00%  0.00%  0.00%   0 IF-MGR event pro

  56           0           1          0  0.00%  0.00%  0.00%   0 Inode Table Dest

  57           0           2          0  0.00%  0.00%  0.00%   0 cpf_msg_holdq_pr

  58           0           1          0  0.00%  0.00%  0.00%   0 cpf_msg_rcvq_pro

  59           0           1          0  0.00%  0.00%  0.00%   0 Crypto PKI-HA

  60           0           1          0  0.00%  0.00%  0.00%   0 IKE HA Mgr

  61           0           1          0  0.00%  0.00%  0.00%   0 IPSEC HA Mgr

  62          78      292618          0  0.00%  0.00%  0.00%   0 TDM Management

  63           0           2          0  0.00%  0.00%  0.00%   0 rf task

  64           0           1          0  0.00%  0.00%  0.00%   0 RF High Priority

what is the issue and the solution please?

thanks

 

1 REPLY

Confusing CPU Over temp error

Confusing CPU Over temp error message on 3900 platforms
Search for the following bug  CSCum99304
 
Workaround:
There is no workaround. This bug is addressing the values reported only. If you are seeing the same log messages in production the root cause of the temperature issues still needs to be investigated.
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