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2773443 - timeslice, current process infected at PEM_read_bio_RSAPrivateKey - SAP ASE

Symptom

  • ASE dataserver hangs with very high CPU utilisation with timeslices reported in ASE log, and users unable to run any command.

    SAP ASE is reporting timeslice at address 'PEM_read_bio_RSAPrivateKey' :
  • Messages in the error log show :

timeslice -749, current process infected at 0x2b4da8eb71e0 (PEM_read_bio_RSAPrivateKey)

kernel  timeslice error: spid 838 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 4928 major and 23095662 minor page faults since boot.

with stack trace including:

terminate_process()
kitermproc()
(null)()
_sybcsi_openssl_internal_key_update()
(null)()
_sybcsi_openssl_internal_key_create()
_sybcsi_openssl_key_create()
(null)()
sybcsi_key_create()
csi_rsa_loadkey()
csi_rsa_cipher()
e2e_rsadec()
login_handshake()


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Environment

  • SAP Adaptive Server Enterprise (ASE) all versions.

Product

SAP Adaptive Server Enterprise 15.7

Keywords

time slice, CPU grace time , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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