Hello, I entered the following bug into kernel bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200917 It was discussed on the usb mailing list starting at https://www.spinics.net/lists/linux-usb/msg171856.html In https://www.spinics.net/lists/linux-usb/msg172065.html I was asked to forward the problem to the ext4 mailing list. -- Prof. Dr. Klaus Kusche Private address: Rosenberg 41, 07546 Gera, Germany +49 365 20413058 klaus.kusche@xxxxxxxxxxxxxxx https://www.computerix.info Office address: DHGE Gera, Weg der Freundschaft 4, 07546 Gera, Germany +49 365 4341 306 klaus.kusche@xxxxxxx https://www.dhge.de