ERROR_FAILED_DRIVER_ENTRY - 647 (0x287)

Technical Background

The ERROR_FAILED_DRIVER_ENTRY error code, with the numeric value of 647 and the hexadecimal representation of 0x287, indicates that a driver failed to initialize properly during its loading process. This error is indicative of a failure in the initialization call made by the driver.

Error Details

The ERROR_FAILED_DRIVER_ENTRY error typically occurs when a device driver fails to execute its initialization routine successfully. The initialization routine is responsible for setting up necessary resources and performing any required setup tasks before the driver can be used. If this routine fails, the driver cannot function as intended, leading to the issuance of this error.

Common Causes

• Incorrect Initialization Routine: The driver's initialization routine may contain logic errors or may not handle certain conditions correctly, causing it to fail.
• Unsupported Operations: The driver might attempt to perform operations that are not supported by the system or hardware.
• Resource Constraints: The driver might exceed resource limits imposed by the system during initialization.

Real-World Context

This error can occur in various scenarios where a device driver is loaded, such as when booting the operating system or when a new device is connected and its corresponding driver needs to be initialized. It is particularly relevant for drivers that manage hardware components critical to system operation.

Is This Error Critical?

The ERROR_FAILED_DRIVER_ENTRY error can have significant implications depending on the nature of the driver involved. If this error occurs during boot, it might prevent the system from starting properly or result in a blue screen of death (BSOD). For other drivers, it may lead to device malfunction or failure.

How to Diagnose

To diagnose the issue, follow these steps:

1. Review Operation Context: Examine the context in which the driver is being loaded, such as during boot or when a new device is connected.
2. Validate Parameters: Ensure that all parameters passed to the initialization routine are correct and valid.
3. Confirm Object Types: Verify that the object types expected by the driver match those provided by the system.
4. Verify Input Data: Check for any corrupted data that might be causing the failure.

How to Resolve

To resolve this issue, consider the following steps:

1. Correct Parameter Usage: Ensure that all parameters passed to the initialization routine are correct and valid.
2. Adjust Operation Context: If the driver is being loaded during a specific operation or context, ensure that the conditions for loading are met.
3. Restore Data: If corrupted data is suspected, restore it from a backup or reinitialize the system state.
4. Retry Operation with Valid Inputs: Attempt to load the driver again with valid inputs and parameters.

Developer Notes

Developers should ensure that their drivers handle all possible error conditions gracefully and provide clear initialization routines that can be executed reliably. Additionally, thorough testing of drivers in various scenarios is essential to prevent such errors from occurring.

Related Errors

• ERROR_INSUFFICIENT_BUFFER (122)
• STATUS_UNSUCCESSFUL (0xC0000001)

FAQ

Q: What does the ERROR_FAILED_DRIVER_ENTRY error mean?

A: This error indicates that a driver failed to initialize properly during its loading process.

Q: How can I prevent this error from occurring?

A: Ensure that your drivers are well-tested and handle all possible initialization scenarios correctly. Validate parameters and input data before attempting to load the driver.

Q: Can this error cause system instability?

A: Yes, if it occurs during boot or critical operations, it can lead to system instability or a BSOD.

Summary

The ERROR_FAILED_DRIVER_ENTRY error code is indicative of a failure in the initialization routine of a device driver. It can be caused by various factors such as incorrect logic, unsupported operations, or resource constraints. Diagnosing and resolving this issue requires careful validation of parameters, input data, and operation context. Ensuring robust initialization routines is crucial for preventing such errors.