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2171618 - Error 706 "Process <spid> tried to remove PROC_HDR..." or/and Signal 11 in mem_pageallocate() - SAP ASE

Symptom

On SAP ASE systems running ASE 16.0 SP02 PL04 and below:

  • A new connection to the SAP ASE database cannot be established via the isql utility.
  • For SAP applications, R3trans -d fails with error "no connect possible".
  • Error 706 and/or "infected with signal 11" errors are reported continually in the ASE errorlog file:
     
    • Error: 706, Severity: 20, State: 3
      Process 978 tried to remove PROC_HDR 0x4e495a800 that it does not hold in Pss.
       
    • Current process (0x2d3106c7) infected with signal 11 (SIGSEGV)
      Address 0x0x0000000000e29d85 (mem_pageallocate+0xd5), siginfo (code, address) = (1, 0x0xffffffffffffffff)
  • A failed process (spid) attempted to create a stored procedure as:

CREATE PROC MYP AS SELECT TOP 1 * FROM "MYTBL" WHERE...

  • The ASE stack trace following Error 706 may includes modules:

rm_prochdr
memfree
proc__deallocmem
procrm
ups_deadlock_getnext
stio_read_column
st_readstatistics
st_getstats
qry_init_stats
st_readallstats

  or possibly

rm_prochdr
memfree
init_before_msg

  • The ASE stack trace following the "infected with signal 11' error includes modules:

mem_pageallocate
mem_getpages
memalloc
memalloc_zero
stu_findslot
stio_readvirtual
stio_read_colstat
stio_read_column
st_readstatistics
st_getstats
qry_init_stats
st_readallstats

  Note: Samples of complete stack traces are available under Attachments.

On SAP ASE systems running ASE 16.0 SP02 PL05 and above:

  • The system access is not affected; new processes are able to connect to the SAP ASE database just fine; there are no runtime problems.
  • However, the ASE errorlog continues to report Error 706 as described above.


tried to remove PROC_HDR..." or/and Signal 11 in mem_pageallocate() - SAP ASE"> Read more...

Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite and standalone ASE
  • SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite and Standalone ASE
  • SAP Enterprise Resource Planning (ERP) 6.0
  • SAP NetWeaver (NW) all versions

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP ERP 6.0 ; SAP NetWeaver 7.3

Keywords

SEGV, segmentation, fault, segfault, access, violation, stacktrace, ups_deadlock_getnext, CR784192, CR#784192, 784192, CR810674, CR#810674, 810674, CR808897, CR#808897, 808897 , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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