Hi,
Yesterday evening we observed very unusual behavior of one of our production server having SQL server 2008 R2 Enterprise Edition 64 Bit.
Suddenly the server stopped responding and we are even not able to run simple query like "SP_WHO2" and not able to access any other features also, then we decoded to re-start the server (not SQL service) but the server OS.
when the server re-started, to find the reason we checked the SQL error log but not able to find any good information
but just observed error message shown below :- please any one can help me out the reason for such behavior.
The error message as shown below :-
03/13/2015 07:18:43,Server,Unknown,Process 0:0:0 (0xf5c) Worker 0x00000004EA2CC1A0 appears to be non-yielding on Scheduler 6. Thread creation time: 13070693808602. Approx Thread CPU Used: kernel 0 ms<c/> user 46 ms. Process Utilization 1%. System Idle
98%. Interval: 194672 ms.
03/13/2015 07:18:38,Server,Unknown,Process 0:0:0 (0x15c4) Worker 0x000000036047A1A0 appears to be non-yielding on Scheduler 4. Thread creation time: 13070575919131. Approx Thread CPU Used: kernel 0 ms<c/> user 46 ms. Process Utilization 1%. System Idle
98%. Interval: 194659 ms.
03/13/2015 07:17:53,Server,Unknown,Process 0:0:0 (0xc44) Worker 0x000000029DE701A0 appears to be non-yielding on Scheduler 7. Thread creation time: 13070649709109. Approx Thread CPU Used: kernel 0 ms<c/> user 0 ms. Process Utilization 2%. System Idle
96%. Interval: 70043 ms.
03/13/2015 07:17:43,Server,Unknown,Process 0:0:0 (0xf5c) Worker 0x00000004EA2CC1A0 appears to be non-yielding on Scheduler 6. Thread creation time: 13070693808602. Approx Thread CPU Used: kernel 0 ms<c/> user 46 ms. Process Utilization 1%. System Idle
97%. Interval: 134602 ms.
03/13/2015 07:17:38,Server,Unknown,Process 0:0:0 (0x15c4) Worker 0x000000036047A1A0 appears to be non-yielding on Scheduler 4. Thread creation time: 13070575919131. Approx Thread CPU Used: kernel 0 ms<c/> user 15 ms. Process Utilization 1%. System Idle
97%. Interval: 134602 ms.
03/13/2015 07:16:43,Server,Unknown,Process 0:0:0 (0xf5c) Worker 0x00000004EA2CC1A0 appears to be non-yielding on Scheduler 6. Thread creation time: 13070693808602. Approx Thread CPU Used: kernel 0 ms<c/> user 15 ms. Process Utilization 0%. System Idle
98%. Interval: 74557 ms.
03/13/2015 07:16:38,Server,Unknown,Process 0:0:0 (0x15c4) Worker 0x000000036047A1A0 appears to be non-yielding on Scheduler 4. Thread creation time: 13070575919131. Approx Thread CPU Used: kernel 0 ms<c/> user 15 ms. Process Utilization 0%. System Idle
98%. Interval: 72163 ms.
03/13/2015 07:16:38,Server,Unknown,External dump process return code 0x20000001.<nl/>External dump process returned no errors.
03/13/2015 07:16:36,Server,Unknown,Stack Signature for the dump is 0x00000000000002D4
03/13/2015 07:16:36,Server,Unknown,* *******************************************************************************
03/13/2015 07:16:36,Server,Unknown,*
03/13/2015 07:16:36,Server,Unknown,* Non-yielding Scheduler
03/13/2015 07:16:36,Server,Unknown,*
03/13/2015 07:16:36,Server,Unknown,* 03/13/15 07:16:36 spid 1588
03/13/2015 07:16:36,Server,Unknown,* BEGIN STACK DUMP:
03/13/2015 07:16:36,Server,Unknown,*
03/13/2015 07:16:36,Server,Unknown,* *******************************************************************************
03/13/2015 07:16:36,Server,Unknown,***Unable to get thread context for spid 0
03/13/2015 07:16:36,Server,Unknown,Using 'dbghelp.dll' version '4.0.5'
Please help me out.
Thanks in advance.
Regards.