>> > Disconnection issues like you are seeing are typical for drawing >> > too much power from the port. Using uas as the dmesg shows you >> > are will allow us to send more commands to the disk at once >> > (which is a good thing, it is faster) and as such will increase >> > power consumption. >> >> Maybe the too much commands freeze the chip. > > That is a testable hypothesis. > This patch shows how to manipulate that number. > You can play with the number to see whether there's > a critical value. I tested with lot of values. I'm not totally sure but it looks the 31 is max number where it is still stable to create an ext4 filesystem. Br, Laszlo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html