> Can you please post the output of "lsusb -v" for this device on 5.4.10 > and 5.4.11, respectively? Hello, thanks for your prompt response. Please see attached (I hope that is OK) the output of lsusb -v on both 5.4.10 and 5.4.11. The device in question is the Sound Devices USBPre2, Bus 003 Device 004: ID 0926:0202, beginning at line 808. --