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Editorial Team
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Asked: 2026-05-16T08:12:05+00:00

when I ssued !syncblk command on a deadlocked application from windbg, I got the

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when I ssued !syncblk command on a deadlocked application from windbg, I got
the following output. It shows which thread holds the lock. But it does not
indicate which threads are waiting for the lock. How can I identify the
threads that are waiting? . 

0:004> !syncblk 
Index SyncBlock MonitorHeld Recursion Owning Thread Info SyncBlock Owner 
2      0016d12c  3           1        0014b1c0 1ab8 0    01292e3c System.Object 
----------------------------- 
Total 2 
CCW 0 
RCW 0 
ComClassFactory 0 
Free 0
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1 Answer

  1. Editorial Team

    You could look at all of the managed stacks using ~*e!clrstack. If a thread is waiting to acquire a lock, you should see some appropriate frames in it’s stack (e.g, Monitor.TryEnter).

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