IBM Support

PH25377: PANIC MAY OCCUR WHILE FREEING MEMORY

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as fixed if next.

Error description

  • The following errors reported when node crashed:
    
    LEVEL:
    Severe
    PID : 9543 TID : 139998162577152 PROC : db2sysc
    10
    INSTANCE: bigsql NODE : 010 DB : BIGSQL
    APPHDL : 0-31935
    APPID: 9.4.174.123.48942.200403220011
    UOWID : 10 ACTID:
    3
    AUTHID : removed HOSTNAME: removed
    EDUID : 85939 EDUNAME:
    db2agnts (BIGSQL) 10
    FUNCTION: DB2 UDB, SQO Memory Management,
    sqloDiagnoseFreeBlockFailure, probe:10
    MESSAGE : Possible
    memory corruption detected.
    DATA #1 : ZRC, PD_TYPE_ZRC, 4
    bytes
    0x820F0002
    DATA #2 : Corrupt block address,
    PD_TYPE_CORRUPT_BLK_PTR, 8 bytes
    0x00007f5c20454c40
    DATA #3 :
    Block header, PD_TYPE_BLK_HEADER, 24 bytes
    0x00007F5C20454C28 :
    D000 2FDB 803E 0000 C8AB B1F0 5B7F 0000
    ../..>......[...
    0x00007F5C20454C38 : A03E 0000 0000 0000
    .>......
    code: 0xdb2f00d0
    curSize: 16000
    SMemBlkFileId:
    4038175688
    SMemBlkLOC: 32603
    SMemBlkNum: 0
    CodedCSG: 3ea0
    DATA
    #4 : Data header, PD_TYPE_BLK_DATA_HEAD, 48
    bytes
    0x00007F5C20454C40 : 0000 3C20 5C7F 0000 4036 4920 5C7F
    0000 ..< \...@6I \...
    0x00007F5C20454C50 : 0000 0000 0000 0000
    0000 0000 0000 0000 ................
    0x00007F5C20454C60 : 0000
    0000 0000 0000 C01D 5700 0000 6803 ..........W...h.
    CALLSTCK:
    (Static functions may not be resolved correctly, as they are
    resolved to the nearest symbol)
     [0] 0x00007F62DF7A4590
    /home/bigsql/sqllib/lib64/libdb2e.so.1 + 0x892C590
     [1]
    0x00007F62DF7A234E sqlofmblkEx + 0x79E
     [2] 0x00007F62E05CB3D4
    _Z23sqlri_hsjnHeapReductionP8sqlrr_cbP11sqlri_hsjnol + 0x324
    
    [3] 0x00007F62E05C8C53 _Z23sqlri_hsjnGetTupleBlockP8sqlrr_cbP11s
    qlri_hsjnoP18sqlri_shared_hsjnoPP20sqlri_hsjnTupleBlockb +
    0x293
     [4] 0x00007F62E05C7DA1 _Z21sqlri_hsjnFlushBlocksP8sqlrr_c
    bP11sqlri_hsjnoP18sqlri_shared_hsjnobPP20sqlri_hsjnTupleBlock +
    0x661
     [5] 0x00007F62E05C4D4A _Z23sqlri_hsjnPartitionFullP8sqlrr
    _cblP25sqlri_hsjnPartitionBucketP11sqlri_hsjnoP18sqlri_shared_hs
    jno + 0x60A
     [6] 0x00007F62E05B8D33
    _Z27sqlri_hsjnProcessBuildTupleP8sqlrr_cbP11sqlri_hsjno +
    0xA83
     [7] 0x00007F62E05B10A5 _Z9sqlrihsjnP8sqlrr_cb + 0x1255
    
    [8] 0x00007F62E04675BD
    _Z15sqlriSectInvokeP8sqlrr_cbP12sqlri_opparm + 0x4BD
     [9]
    0x00007F62DFE79D87
    _Z21sqlrr_subagent_routerP8sqeAgentP12SQLE_DB2RA_T + 0x
    
    The
    following stack is reported:
    
    0x00007F62DD90C1A4
    _Z10sqle_panici + 0x06a4
    0x00007F62DF7A2353 sqlofmblkEx +
    0x07a3
    0x00007F62E05CB3D4
    _Z23sqlri_hsjnHeapReductionP8sqlrr_cbP11sqlri_hsjnol +
    0x0324
    0x00007F62E05C8C53 _Z23sqlri_hsjnGetTupleBlockP8sqlrr_cbP
    11sqlri_hsjnoP18sqlri_shared_hsjnoPP20sqlri_hsjnTupleBlockb +
    0x0293
    0x00007F62E05C7DA1 _Z21sqlri_hsjnFlushBlocksP8sqlrr_cbP11
    sqlri_hsjnoP18sqlri_shared_hsjnobPP20sqlri_hsjnTupleBlock +
    0x0661
    0x00007F62E05C4D4A _Z23sqlri_hsjnPartitionFullP8sqlrr_cbl
    P25sqlri_hsjnPartitionBucketP11sqlri_hsjnoP18sqlri_shared_hsjno
    + 0x060a
    0x00007F62E05B8D33
    _Z27sqlri_hsjnProcessBuildTupleP8sqlrr_cbP11sqlri_hsjno +
    0x0a83
    0x00007F62E05B10A5 _Z9sqlrihsjnP8sqlrr_cb +
    0x1255
    0x00007F62E04675BD
    _Z15sqlriSectInvokeP8sqlrr_cbP12sqlri_opparm + 0x04bd
    

Local fix

Problem summary

  • Please see problem description.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PH25377

  • Reported component name

    IBM BIG SQL

  • Reported component ID

    5737E7400

  • Reported release

    600

  • Status

    CLOSED FIN

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-05-13

  • Closed date

    2020-09-09

  • Last modified date

    2020-09-09

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

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

Fix information

Applicable component levels

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSCRJT","label":"IBM Db2 Big SQL"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"600"}]

Document Information

Modified date:
10 September 2020