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2345373 - Server hung due to a timeslice error - SAP ASE

Symptom

  • The ASE errorlog shows the following errors and the timeslice error:

Error: 21, Severity: 20, State: 1
WARNING - Fatal Error 714 occurred at mm dd yyyy hh:mm AM.  Please note the error and time, and contact a user with System Administrator (SA) authorization.

Error: 714, Severity: 20, State: 2
Unable to locate a procedure cache memory control descriptor for memory '0x0' allocated by process 151.

Current process (0x47bd044d) infected with signal 11 (SIGSEGV)
Address 0x0000000080420fc0 (mem__pagesfree+0x20), siginfo (code, address) = (1, 0x0000000000000008)

timeslice -2001, current process infected at ffffffff7c73916c (atomic_cas_32+0x4)

  • The stack trace following the "Infected with signal 11" error includes modules:

mem__pagesfree
mem_freepages
mem__free_this_phdr
memfree
mem_procmem_lastchance_cleanup
_thr_slot_offset
sema_post
mem_getpages
memcreate
internal_sql
ssql_reparse
s_reinstall_lwp_tree
s_getTreeOrPlan

Note: The complete stack trace is available under Attachments.

  • The first timeslice error was on sp_helpdb SECURITY.
     
  • Four more timeslices were on the SELECT statement:

SELECT col1, col2, col3, col4 FROM mytable (INDEX myindex)
WHERE col5 = 68721 AND col6 = 4 AND col7 = 0 AND col8 = 0 AND col9 = 0 AND col10 = 'G' AND col11 = '20150430' AND col12 = '' AND col13 = 'L'
AT ISOLATION 0
 


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 SP135

Product

SAP Adaptive Server Enterprise 15.7

Keywords

SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  registers, proc_cache, free_unused , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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