Osapi repaer?

What is OsapiReaper?
and what meanig these loggs
Sep 24 15:30:19 192.168.122.34 WLC_4404_CC: *osapiReaper: Sep 24 15:30:11.678: %OSAPI-3-FILE_OPEN_FAILED: osapi_file.c:370 Failed to open the file : /proc/993/stat.(erno 24)
Sep 24 15:30:19 192.168.122.34 WLC_4404_CC: *osapiReaper: Sep 24 15:30:11.678: %OSAPI-3-TASK_GETTIME_FAILED: osapi_task.c:3431 Failed to retrieve statistics (/proc/<pid>/stats) for task
help me please, when this present the WLc lost Telnet session and Web Administration.

Can you post the complete log.
what's the wlc uptime.
are you sure WLC didn't crash/reboot, what's wlc uptime.
Looks like your controller is going to crash or it is part of crash log. no panic, i could be wrong here, time to open a TAC case.
http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCtx40356

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    (Cisco Controller) >show sysinfo
    Manufacturer's Name.............................. Cisco Systems Inc.
    Product Name..................................... Cisco Controller
    Product Version.................................. 7.4.110.0
    Bootloader Version............................... 1.0.20
    Field Recovery Image Version..................... 7.6.95.16
    Firmware Version................................. FPGA 1.7, Env 1.8, USB console 2.2
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    System Name...................................... PRODWC7309
    System Location..................................
    System Contact...................................
    System ObjectID.................................. 1.3.6.1.4.1.9.1.1069
    Redundancy Mode.................................. Disabled
    IP Address....................................... 10.1.30.210
    Last Reset....................................... Power on reset
    System Up Time................................... 18 days 18 hrs 51 mins 35 secs
    System Timezone Location......................... (GMT+10:00) Sydney, Melbourne, Canberra
    System Stats Realtime Interval................... 5
    System Stats Normal Interval..................... 180
    Configured Country............................... AU - Australia
    Operating Environment............................ Commercial (0 to 40 C)
    --More-- or (q)uit
    Internal Temp Alarm Limits....................... 0 to 65 C
    Internal Temperature............................. +34 C
    External Temperature............................. +17 C
    Fan Status....................................... OK
    State of 802.11b Network......................... Enabled
    State of 802.11a Network......................... Enabled
    Number of WLANs.................................. 8
    Number of Active Clients......................... 138
    Memory Current Usage............................. Unknown
    Memory Average Usage............................. Unknown
    CPU Current Usage................................ Unknown
    CPU Average Usage................................ Unknown
    Burned-in MAC Address............................ 3C:08:F6:CA:52:20
    Power Supply 1................................... Present, OK
    Power Supply 2................................... Present, OK
    Maximum number of APs supported.................. 50
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    TFTP Server IP................................... 10.1.22.2
    TFTP Path........................................ /
    TFTP Filename.................................... PRODWC7309-tmp.cfg
    Data Type........................................ Config File
    Encryption....................................... Disabled
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    (Cisco Controller) >show sysinfo
    Manufacturer's Name.............................. Cisco Systems Inc.
    Product Name..................................... Cisco Controller
    Product Version.................................. 7.4.110.0
    Bootloader Version............................... 1.0.20
    Field Recovery Image Version..................... 7.6.95.16
    Firmware Version................................. FPGA 1.7, Env 1.8, USB console 2.2
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    System Name...................................... PRODWC7310
    System Location..................................
    System Contact...................................
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    Redundancy Mode.................................. Disabled
    IP Address....................................... 10.1.31.210
    Last Reset....................................... Software reset
    System Up Time................................... 18 days 19 hrs 1 mins 27 secs
    System Timezone Location......................... (GMT+10:00) Sydney, Melbourne, Canberra
    System Stats Realtime Interval................... 5
    System Stats Normal Interval..................... 180
    Configured Country............................... AU - Australia
    Operating Environment............................ Commercial (0 to 40 C)
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    Internal Temp Alarm Limits....................... 0 to 65 C
    Internal Temperature............................. +34 C
    External Temperature............................. +17 C
    Fan Status....................................... OK
    State of 802.11b Network......................... Enabled
    State of 802.11a Network......................... Enabled
    Number of WLANs.................................. 4
    Number of Active Clients......................... 0
    Memory Current Usage............................. Unknown
    Memory Average Usage............................. Unknown
    CPU Current Usage................................ Unknown
    CPU Average Usage................................ Unknown
    Burned-in MAC Address............................ 3C:08:F6:CA:53:C0
    Power Supply 1................................... Present, OK
    Power Supply 2................................... Present, OK
    Maximum number of APs supported.................. 500
    (Cisco Controller) >debug transfer trace enable
    (Cisco Controller) >transfer upload start
    Mode............................................. FTP
    FTP Server IP.................................... 10.1.22.2
    FTP Server Port.................................. 21
    FTP Path......................................... /
    FTP Filename..................................... 10_1_31_210_140602_1050.cfg
    FTP Username..................................... ftpuser
    FTP Password..................................... *********
    Data Type........................................ Config File
    Encryption....................................... Disabled
    *** WARNING: Config File Encryption Disabled ***
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    *TransferTask: Jun 02 10:51:31.278: RESULT_CODE:1
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    *TransferTask: Jun 02 10:52:05.477: RESULT_CODE:11
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    Thanks,
    Rick.

    Thanks Stephen, In my deployments of 7.4.110.0 version I have not seen this issue so may be controller reboot will fix it (we do have HA to minimize the impact). I will keep the thread updated with findings and may request TAC for the special release 7.4.121.0 if the still not happy with 7.4.110.0
    Rick.

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    Product Name..................................... Cisco Controller
    Product Version.................................. 7.0.98.0
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    Field Recovery Image Version..................... N/A
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    Build Type....................................... DATA + WPS
    System Name...................................... Airespace_01
    System Location..................................
    System Contact...................................
    System ObjectID.................................. 1.3.6.1.4.1.9.1.1069
    IP Address....................................... 10.0.0.201
    Last Reset....................................... Power on reset
    System Up Time................................... 9 days 2 hrs 57 mins 21 secs
    System Timezone Location......................... (GMT -6:00) Central Time (US and Canada)
    Current Boot License Level....................... base
    Current Boot License Type........................ Permanent
    Next Boot License Level.......................... base
    Next Boot License Type........................... Permanent
    Configured Country............................... Multiple Countries:US,CN,DE,TW,HK
    Is the below Upgrade Path make sense ?
    1. Upgrade the Primary controller and reboot- wait till all APs associate with primary controller and download the new image
    2. Upgrade the secondary controller and reboot
    3. Failover the APs to secondary controller and test
    Siddhartha

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    Kiran

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