Windows System Software -- Consulting, Training, Development -- Unique Expertise, Guaranteed Results
Before Posting...
Please check out the Community Guidelines in the Announcements and Administration Category.More Info on Driver Writing and Debugging
The free OSR Learning Library has more than 50 articles on a wide variety of topics about writing and debugging device drivers and Minifilters. From introductory level to advanced. All the articles have been recently reviewed and updated, and are written using the clear and definitive style you've come to expect from OSR over the years.
Check out The OSR Learning Library at: https://www.osr.com/osr-learning-library/
Driver stopped working
UMDF2 Virtual Serial Driver shows exclamation marks (crashed) in Device Manager.
Following are the errors messages/status from Property Page:
Device Status: "Windows has stopped the device because it has reported problem (Code 43)"
Problem status: "Request is not supported C00000BB".
Windows events log or driver logs do not has any details on the errors. Issue could not be reproduced.
Any idea on what are possible ways to figure-out the issue?
Thanks
Howdy, Stranger!
| Upcoming OSR Seminars | ||
|---|---|---|
| OSR has suspended in-person seminars due to the Covid-19 outbreak. But, don't miss your training! Attend via the internet instead! | ||
| Kernel Debugging | 16-20 October 2023 | Live, Online |
| Developing Minifilters | 13-17 November 2023 | Live, Online |
| Internals & Software Drivers | 4-8 Dec 2023 | Live, Online |
| Writing WDF Drivers | 10-14 July 2023 | Live, Online |
Comments
The problem is reproducible, so attach a debugger and debug the problem.