Hi! https://imgur.com/2Cdb3Pi The USB Monitor clearly shows that the Transfer Size has 4096 bytes, but there is no data displayed on the data display interface. What's going on here?
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Sergey_Jarovski FabulaTech Forum Moderator
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Re: USBMonitor does not display data
« Reply #1 on: Feb 24th, 2021, 9:58am »
This is an in-urb (a request to read from a device), the data is in the response urb from the device (marked as OUT in usbmon). In this case, the response urb returned with an error, so the buffer is not displayed (there is garbage, there is no point in displaying it).