| Debugging Tools for Windows |
The two primary tools for debugging a network driver are debug tracing and the Network Driver Interface Specification (NDIS) extensions. For more information on debug tracing, see Enabling NDIS Debug Tracing. For more information on the NDIS debugging extensions, see NDIS Extensions, which provides a complete list of the extension commands found in the extension module Ndiskd.dll. The Windows 2000 version of this extension module appears in the w2kfre and w2kchk directories. The Windows XP and later version of this extension module appear in the winxp directory.
An additional tool for debugging a network driver is the collection of regular debugging extensions, which are useful for obtaining debugging information. For example, entering !stacks 2 ndis! displays all threads in the stack beginning with ndis!. This information can be useful for debugging hangs and stalls.
There is also an NDIS-specific bug check code, bug check 0x7C (BUGCODE_NDIS_DRIVER). For a complete list of its parameters, see Bug Check 0x7C.
Another useful tool for testing an NDIS driver is NDIS Verifier. For more information, consult the NDIS Verifier topic in the Windows Driver Kit (WDK) documentation.