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IC78982: DB2START RESTART MAY CRASH WHILE CHECKING IF A HOST MACHINE IS ALIVE

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The db2start restart command may crash while checking if a host
    machine is alive. The following is an example of stack trace
    observed
     in the core file for db2start.
    
    (dbx) where
    pthread_kill(??, ??) at 0x900000000eda6b0
    _p_raise(??) at 0x900000000ed9f28
    raise.raise(??) at 0x90000000105c32c
    abort() at 0x9000000010b8b04
    check_arena_y(??) at 0x9000000010ddf10
    malloc_y_debugging(0x2600, 0x100000001, 0x9001000a04949f8,
    0xf00000002ff48000, 0x9000000060814ec, 0xa00000000000d032,
    0xf10001040a37e000, 0xf00000002ff46ef0) at 0x9000000010e76e8
    malloc_catch_overflow(??, ??) at 0x9000000010e3a94
    malloc_common_debugging(??) at 0x9000000010df4f0
    sqle_agent_services.sqlo_malloc(??) at 0x90000000a030b00
    send_v4()() at 0x900000006038fcc
    sig_alarm(int)(??) at 0x90000000608151c
    save_arena_y(0x9001000a04c8be0) at 0x9000000010ddaa0
    malloc_y_debugging(0x2040, 0x100000001, 0x9001000a04949f8,
    0xfffffffffff44e8, 0x9001000a262ff88, 0x7d, 0x958600cdfce4940,
    0x40) at 0x9000000010e756c
    malloc_catch_overflow(??, ??) at 0x9000000010e3a94
    malloc_common_debugging(??) at 0x9000000010df4f0
    sqle_agent_services.sqlo_malloc(??) at 0x90000000a030b00
    proc_v4(char*,long,timeval*,int*)(??, ??, ??, ??) at
    0x900000006038e70
    xmlrnSerializer.readloop()() at 0x900000006080f58
    xmlrnSerializer.sqleIsHostAlive(char*)(??) at 0x900000006080ab0
    sqleIsHostAlive(char*)(??) at 0x900000006080898
    sqleIssueStartStop.fdpr.chunk.6(int,void*,char*,char*,sqlf_kcfd*
    ,int,SQLE_INTERNAL_ARGS*,unsigned
    int,unsigned int,sqlca*)(0x90000000a1ca934, 0x0,
    0xffffffffffffffff, 0x20004, 0x900000009cee118, 0x0, 0x0, 0x1)
    at 0x9000000066ea9f0
    sqleProcessStartStop.fdpr.chunk.6(int,void*,SQLE_INTERNAL_ARGS*,
    sqlf_kcfd*,char*,int,unsigned
    int,unsigned int,sqlca*)(??, ??, ??, ??, ??, ??, ??, ??) at
    0x90000000a1ceafc
    main(??, ??) at 0x100001558
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * User in DPF environment.                                     *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to V9.7 Fix Pack 6.                                  *
    ****************************************************************
    

Problem conclusion

  • Problem was first fixed in Version 9.7 Fix Pack 6.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC78982

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-09-28

  • Closed date

    2012-06-05

  • Last modified date

    2012-06-05

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSN

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.7","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
05 June 2012