The WORKER_THREAD_RETURNED_AT_BAD_IRQL bug check has a value of 0x000000E1. This indicates that a worker thread completed and returned at IRQL DISPATCH_LEVEL or above.
The following parameters are displayed on the blue screen.
| Parameter | Description |
|---|---|
| 1 | Address of the worker routine |
| 2 | IRQL that the worker thread returned at |
| 3 | Work item parameter |
| 4 | Work item address |
A worker thread completed and returned at IRQL DISPATCH_LEVEL or above.
To find the driver that caused the error, use the LN (List Nearest Symbols) debugger command:
kd> ln address
where address is the worker routine address given in Parameter 1.