On Mon, Aug 05, 2024 at 10:20:30AM +0800, LidongLI wrote: > Hi Greg, > > We tried it, and after configuring the udev rules, I can run the proof of concept (PoC) and reproduce the previous issue without using sudo > What did you do exactly with a new udev rule? Did you give it userspace permission to unbind/reset the device? As it is today, this requires root permissions and it looks to just be a race with the existing kernel driver setting the device up and userspace trying to reset the device at the same time, not anything that can normally happen in a system from what I can tell. thanks, greg k-h