SAP Knowledge Base Article - Preview

2589035 - Timeslice at kboalloc holding spinlock rpdesmgr_spin, crashing server - SAP ASE

Symptom

  • During periods of high concurrency and heavy load on the system
  • ASE encounters a timeslice in function kboalloc()
  • With the server process holding a PDESMGR_SPIN spinlock
  • Causing ASE to crash
  • The errorlog will show entries like:

timeslice -1001, current process infected at 0x1633469 (kboalloc+0x479)

This Adaptive Server process has had 15300421 major and 26010644 minor page faults since boot.

Spinlocks held by kpid 12345678
Spinlock Resource->rpdesmgr_spin at address 0x0000000144119980 owned by  12345678

  • with a stack trace showing functions including:

    (null)
    ptn__pdes_grab
    ptn__pdes_install
    ind__ides_init_fromrow
    des__fill_common

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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
  • SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP ERP 6.0

Keywords

timeslice, kboalloc, 802811, CR 802811, ptn__pdes_grab, spinlock , KBA , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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