Symptom
- Connections to the ASE may end unexpectedly
- And the ASE may also shutdown unexpectedly.
- The ASE errorlog contains "infected with signal 11" messages along with stacktraces, for example:
Current process (0x250013) infected with signal 11 (SIGSEGV)
Address 0x0x00000000019767a3 (np_conn_props+0x173), siginfo (code, address) = (1, 0x0x000000000000008c)
- Stack traces include any of the following functions:
np_conn_props
ct_poll
kctCheckAsync
omni_ct_cancel
hk_cis_idle_timeout
omni_ct_send
ct__mp_free
pthread_mutex_lock
Note: A complete stack trace is available under Attachments.
- Sometimes timeslice messages are reporetd as well, for example:
timeslice -501, current process infected at 0x366fce0dbe ((null)+0x366fce0dbe)
- Other messages in the ASE errorlog may be:
- Restarted process 'HK CHORES'
- usctclose(CS_FORCE_CLOSE) returns CS_FAIL
- RDESDISC, spid <number> rdesp <hex number> rd_connection <hex number>: usctcondrop failed.
- Run to completion task 'CtlibController' exiting.
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Environment
- SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0
- SAP Adaptive Server Enterprise Cluster Edition (ASE CE) 15.7 and 16.0
- Component Integration Services (CIS)
Product
Keywords
Sybase, ASEServer, SAPASE, dataserver, CR815204, CR#815204, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers, 815204 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed
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