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2794424 - ASE errorlog filling with millions of stacks - SAP ASE

Symptom

Literally millions of stacks written to the ASE errorlog in under 10 hours:

There were:

  • timeslice errors:
     
    timeslice -759, current process infected at 0x167a798 (atomic_try+0x2)
    timeslice error: spid 369 exhausted its 'time slice' of 100 milliseconds and additional 'cpu grace time' of 500 ticks (50000 milliseconds). It has been marked for termination.
    This Adaptive Server process has had 131 major and 956802 minor page faults since boot.
    hk__wash_main+0x2d6()
    Restarted process 'HK WASH'.
     
  • Current process (0x0) infected with signal 11 (SIGSEGV)

    General Registers (uc_mcontext.gregs):
    (blkioGetDevicePath+0x1)
    nthrd_backtrace
    kisignal
    blkioGetDevicePath
    utpApplyAll
    utpmApplyAll
    kaclkintr_thread 
     
  • 2.5 million stacks contianing:

    kmultimap_iterator_delete with lock held
    kmultimap_iterator_delete
    utpApplyAll
    utpmApplyAll
    kaclkintr_thread

     on Kpid 0
     
  • 1.6 Million stacks containing:

    kitermproc
    bufsearch_cache_getlatch
    getpage_with_validation
    bt__getchildlatched
    bt__traverse
    bt__getstartpg
    bt_getnext
    dol_bt_getnext
    getnext
    attrib_getrow
    login__getprofileattr_by_lpid
    login__checkmap
    hdl__login installed by the following function:-]
    login
    ut_handle installed by the following function:-]
    conn_hdlr

Read more...

Environment

Adaptive Server Enterprise

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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