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3344890 - Stacktrace and Error: 6918, Severity: 21, State: 2 - ASE


  • The following stack trace is reported in the ASE error log:

kernel  pc: 0x0000000001324e07 pcstkwalk+0x28()
kernel  pc: 0x0000000001324aa6 ucstkgentrace+0x37e()
kernel  pc: 0x000000000132169a ucbacktrace+0xba()
kernel  pc: 0x00000000018b0a7a terminate_process+0x54a()
kernel  pc: 0x000000000134f041 kisignal+0xa73()
kernel  pc: 0x0000000000bde9c8 dam_op+0x2d2()
kernel  pc: 0x000000000167fbb9 xls_bufpindirty_single+0x69()
kernel  pc: 0x0000000001715ed4 bufdirty+0xc4()
kernel  pc: 0x00000000016b941d bt__putrow+0x23d()
kernel  pc: 0x00000000016b5c76 bt__logandinsdel+0x5c6()
kernel  pc: 0x00000000016ada82 bt__insert_into_leaf+0x5e2()
kernel  pc: 0x00000000016accde bt__traverseandinsert+0x11e()
kernel  pc: 0x0000000001bbbf3b bt_insert+0x1cb()
kernel  pc: 0x00000000009dd1f2 dol__ncinsert+0x2b5()
kernel  pc: 0x000000000160fa75 dol_insert+0x7f5()
kernel  pc: 0x000000000163895f ins_insert+0x3ef()
kernel  pc: 0x0000000001637f11 insert_all+0xe1()
kernel  pc: 0x00000000018a7058 LeInsertOp::_LeOpNext(ExeCtxt&)+0x348()
kernel  pc: 0x00000000018a5b7f LeEmitNoSndOp::_LeOpNext(ExeCtxt&)+0x1cf()
kernel  pc: 0x00000000015bb8fa LePlanNext+0xfa()
kernel  pc: 0x0000000001820558 exec_lava+0x408()
kernel  pc: 0x0000000001838cff s_execute+0x14df()
kernel  pc: 0x0000000001861862 sequencer+0xc22()
kernel  pc: 0x0000000001856380 execproc+0xfd0()
kernel  pc: 0x000000000183cd36 s_execute+0x5516()
kernel  pc: 0x0000000001861862 sequencer+0xc22()
kernel  pc: 0x00000000008ee696 tdsrecv__dynexec+0x1b5()
kernel  pc: 0x00000000018ccce2 tdsrecv_dynamic+0x222()
kernel  pc: 0x00000000015b371e conn_hdlr+0x12ee()
kernel  pcstkwalk: No more space in buffer to hold stack frames
kernel  end of stack trace, spid 90, kpid 225640780, suid 4

  • Incremental dump is enabled:

sp_dboption <databaes>, "allow incremental dumps", true

  • Dumping the database reports the following error:

00:0016:00000:00220:2023/06/05 22:23:08.23 server  Error: 6918, Severity: 21, State: 2
00:0016:00000:00220:2023/06/05 22:23:08.23 server  The SYSDAMS page that stores the state of page 0 in database 'live' could not be found. The option 'allow incremental dumps' will be disabled because ASE cannot continue recording page modifications. Please contact SAP Technical Support.

  • Running dbcc dam('drop') the following error is reported:

1> dbcc dam(<database>,'drop')
2> go
Msg 3702, Level 16, State 1:
Server '<server>', Line 1:
Cannot drop or replace the system 'sysdams' because it is currently in use.
Msg 15975, Level 18, State 1:
Server '<server>', Line 1:
Attempt to drop the object 'sysdams' in database '<database>' failed.
DBCC execution completed. If DBCC printed error messages, contact a user with System Administrator (SA) role.

  • Disabling and re-enabling incremental dump would temporarily resolve 6918 error but error will eventually appear again over time



Adaptive Server Enterprise (ASE) 16.0


SAP Adaptive Server Enterprise 16.0


 CR 828101, 828101, sysdams, 6918 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Product Enhancement

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