mcuee

@seanm, @tormodvolden and @sonatique, I tend to believe this may be a useful improvement. Please take a look to see if thic can be merged. Thanks. I think @osy knows...

Blocked.

> thanks @mcuee : how did you do it? You can try to follow the steps here next time. https://docs.github.com/en/communities/maintaining-your-safety-on-github/blocking-a-user-from-your-organization

Full debug log: [debuglog.txt](https://github.com/user-attachments/files/22458597/debuglog.txt) Nothing seems to be strange except towards the end. ``` Device attached: 413c:b06e [24.519094] [00002634] libusb: debug [libusb_open] open 3.6 Warning: Closing left-over open handle [24.519190]...

If I run hotplugtest.exe without the external Dell USB4/TB4 dock, then attach the dock, then detach the dock. It seems to be okay. ``` PS C:\work\libusb\libusb> $env:LIBUSB_DEBUG=3 PS C:\work\libusb\libusb> .\build\v143\x64\Release-Hotplug-MT\hotplugtest.exe...

Removing libusbK from the system. Detaching the Dell WD19TB docking station -- no issues Re-attaching the Dell WD19TB docking station -- got issues, inconsistent results. ``` PS C:\work\libusb\libusb> $env:LIBUSB_DEBUG=3 PS...

Details of the USB devices using Microsoft USBview2.exe command line applicaiton. [usbview2_new.txt](https://github.com/user-attachments/files/22462404/usbview2_new.txt)

Maybe this has more to do with the test program than the Windows hotplug implementation. Test of detaching and attaching the following USB 2.0 Hub (with one USB Ethernet adapter...

Attaching and detaching the above hub (run the test program before attaching). ``` PS C:\work\libusb\libusb> .\build\v143\x64\Debug-Hotplug-MT\hotplugtest.exe libusb: info [winusbx_init] WinUSB DLL available (with isoch support) libusb: info [winusbx_init] libusbK DLL...

Microsoft USBview without the external Dell docking station Microsoft USBview with the external Dell docking station