Bug Check 0xE1: WORKER_THREAD_RETURNED_AT_BAD_IRQL
The WORKER_THREAD_RETURNED_AT_BAD_IRQL bug check has a value of 0x000000E1. This indicates that a worker thread completed and returned with IRQL >= DISPATCH_LEVEL.
Important Info If You Have Received a STOP Code
If you received a blue screen error, or stop code, the computer has shut down abruptly to protect itself from data loss. A hardware device, its driver, or related software might have caused this error. If your copy of Windows came with your computer, call the manufacturer of your computer. If you purchased Windows separately from your computer, Microsoft provides support. To find contact info for Microsoft or your computer manufacturer, Contact Support.
If you have experience with computers and want to try to recover from this error, follow the steps provided in the Microsoft article Resolving STOP (Blue Screen) Errors in Windows.
These actions might prevent an error like this from happening again:
- Download and install updates and device drivers for your computer from Windows Update.
- Scan your computer for computer viruses.
- Check your hard disk for errors.
WORKER_THREAD_RETURNED_AT_BAD_IRQL Parameters
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 |
Cause
A worker thread completed and returned with IRQL >= DISPATCH_LEVEL.
Resolution
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.
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Build date: 4/9/2013
