On 05.09.2016 13:42, Oliver Neukum wrote:
This very much looks like power saving misbehaving.
It does. But it doesn't seem like my distro enables autosuspend there by default.
Are you using autosuspend on this device?
$ lsusb ... Bus 002 Device 002: ID 357d:7788 Sharkoon QuickPort XT ... $ cat /sys/bus/usb/devices/usb2/2-1/power/control on $ cat /sys/bus/usb/devices/usb2/2-2/power/control on
Have you tried the RESET_RESUME quirk on the USB level?
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