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2590845 - ASE timeslice error , function in the stack __xstat64()


SAP ASE Dataserver :  15.7.X , 16.X

A timeslice message in the SAP ASE errorlog can be seen with __xstat64 in the message.

TIME_STAMPS: kernel timeslice -1761, current process infected at 0x7ffff581b0a5 (__xstat64+0x15) TIME_STAMPS: kernel timeslice error: spid 11 exhausted its 'time slice' of 100 milliseconds and additional 'cpu grace time' of 1500 ticks (150000 milliseconds). It has been marked for termination.

Complete portion of timeslice error and stack might look like as below,

TIME_STAMPS: kernel timeslice -1761, current process infected at 0x7ffff581b0a5 (__xstat64+0x15)
TIME_STAMPS: kernel **** Saved signal context (0x0x0000000151032700): ****
TIME_STAMPS: kernel uc_flags: 0x1, uc_link: 0x(nil)
TIME_STAMPS: kernel uc_sigmask: 0x416000 0xa 0xfffffffa 0x6639
TIME_STAMPS: kernel uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
TIME_STAMPS: kernel General Registers (uc_mcontext.gregs):
TIME_STAMPS: kernel PC : 0x00007ffff581b0a5 (__xstat64+0x15)
TIME_STAMPS: kernel RAX : (nil) RBX : 0x00007ffff5896e6b
TIME_STAMPS: kernel RCX : 0xffffffffffffffff RDX : 0x0000000151032ce0
TIME_STAMPS: kernel RBP : 0x0000000151032de0 RSP : 0x0000000151032c88
TIME_STAMPS: kernel R8 : 0x00007fffcc000088 R9 : (nil)
TIME_STAMPS: kernel R10 : 0x000000000000000f R11 : 0x0000000000000246
TIME_STAMPS: kernel R12 : (nil) R13 : 0x0000000000000001
TIME_STAMPS: kernel R14 : 0x000000000000002f R15 : 0x0000000000000007
TIME_STAMPS: kernel RDI : 0x00007ffff5896e6b RSI : 0x0000000151032ce0
TIME_STAMPS: kernel RIP : 0x00007ffff581b0a5 CSGSFS : 0x0000000000000033
TIME_STAMPS: kernel TRAPNO : (nil) ERR : (nil)
TIME_STAMPS: kernel EFL : 0x0000000000000246
TIME_STAMPS: kernel **** end of signal context ****
TIME_STAMPS: kernel timeslice error: spid ASE_SPID exhausted its 'time slice' of 100 milliseconds and additional 'cpu grace time' of 1500 ticks (150000 milliseconds). It has been marked for termination.
TIME_STAMPS: kernel This Adaptive Server process has had 0 major and 813876 minor page faults since boot.
TIME_STAMPS: kernel ************************************
TIME_STAMPS: server SQL Text: [no text]
TIME_STAMPS: kernel curdb = 1 tempdb = 2 pstat = 0x200 p2stat = 0x100100
TIME_STAMPS: kernel p3stat = 0x81a p4stat = 0x2 p5stat = 0x0 p6stat = 0x400 p7stat = 0x10000
TIME_STAMPS: kernel lasterror = 0 preverror = 0 transtate = 1
TIME_STAMPS: kernel curcmd = 0 program =
TIME_STAMPS: kernel extended error information: hostname: login:
TIME_STAMPS: kernel pc: 0x000000000164631b pcstkwalk+0x3a3()
TIME_STAMPS: kernel pc: 0x0000000001645df3 ucstkgentrace+0x263()
TIME_STAMPS: kernel pc: 0x0000000001641d2f ucbacktrace+0x51()
TIME_STAMPS: kernel pc: 0x000000000078aef6 terminate_process+0x1716()
TIME_STAMPS: kernel pc: 0x00000000016964b8 kitermproc+0x1bc()
TIME_STAMPS: kernel pc: 0x00007ffff668f7e0 (null)+0x7ffff668f7e0()
TIME_STAMPS: kernel end of stack trace, spid 11, kpid 14614640, suid 0
TIME_STAMPS: server Restarted process 'HK CHORES'.



ASE 15.7 SP XXX or ASE 16.X SP XXX


SAP Adaptive Server Enterprise all versions


ASE 15.7 SP XXX, timeslice, __xstat64 , signal , cpu grace time , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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