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3288065 - ASE server or database will not start due to timeslice with basis_dlock function in stack - SAP ASE

Symptom

  • An ASE server will not start or
  • An ASE database cannot recover during restart
  • Due to locked device which shows as a timeslice with lockf and basis_dlock in the stack trace
  • A typical example of ASE log entries shows:

    Activating disk 'sysprocsdev' of size 200704 KB.
    Direct i/o enabled for nfs file '/sybase/devices/ASE/sysprocs.dat'

    timeslice -501, current process infected at ffff80ffbf12ef2b (_syscall6+0x1b) with a stack trace containing ASE code funtions

    syscall
    fcntl
    lockf
    basis_dlockfd
    basis_dlock

  • The device reported in the error sequence can be any system (master, sybsystem etc.) device or any user device.


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Environment

SAP Adaptive Server Enterprise (ASE)

Product

SAP Adaptive Server Enterprise all versions

Keywords

_syscall6 , syscall6 , NFS storage , NFS lock , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem

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