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IT11984: USING XTRACE -C XTF_READAHEAD -F XTF_DEBUG CAN CAUSE ASSERT FAILURE SEGV IN RA_INIT_ROLLBACK_LOGDATA_REQ

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APAR status

  • Closed as fixed if next.

Error description

  • When enabling xtrace lite -c XTF_READAHEAD -f XTF_DEBUG we can
    get assertion with following stack:
    
    0x0000000001400957 (/opt/informix/ix_release/bin/oninit) afstack
    0x000000000140645c (/opt/informix/ix_release/bin/oninit)
    mt_ex_throw_sig
    0x00000000013b1042 (/opt/informix/ix_release/bin/oninit)
    afsig_handler
    0x00007f368a548790 (Linux) <signal frame>
    0x0000000000f1595b (/opt/informix/ix_release/bin/oninit)
    ra_init_rollback_logdata_req
    0x0000000000d37b41 (/opt/informix/ix_release/bin/oninit)
    rsrollback
    0x0000000000e9cdf7 (/opt/informix/ix_release/bin/oninit)
    txcleanup
    0x0000000000d4d44c (/opt/informix/ix_release/bin/oninit)
    fast_recovery
    0x00000000013fbfc0 (/opt/informix/ix_release/bin/oninit)
    th_init_initgls
    0x00000000013c3a48 (/opt/informix/ix_release/bin/oninit) startup
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Using xtrace after turning off READAHEAD in server           *
    * (AUTO_READAHEAD=0)                                           *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to 12.10.xC7 or earlier PID if available.            *
    ****************************************************************
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IT11984

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    C10

  • Status

    CLOSED FIN

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2015-10-27

  • Closed date

    2016-06-28

  • Last modified date

    2016-06-28

  • 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

  • RA10 PSN

       UP

  • RA10 PSY

       UP

  • RB10 PSN

       UP

  • RB10 PSY

       UP

  • RC10 PSN

       UP

  • RC10 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
28 June 2016