On Wed, Jul 1, 2015 at 8:36 AM, Lars Melin <larsm17@xxxxxxxxx> wrote: > On 2015-07-01 19:24, Oliver Neukum wrote: >> >> This device automatically switches itself to another mode (0x1405) >> unless the specific access pattern of Windows is followed in its >> initial mode. That makes a dirty unmount of the internal storage >> devices inevitable if they are mounted. So the devices should >> be ignored. >> > The storage device is a virtual cd-rom drive in the dongles internal > flash rom, why do you care if non-writable storage is unmounted dirty? > > Prohibiting the usb-storage driver to bind makes it impossible for > usb_modeswitch to switch the device to one of its other id's.. Lars -- In a separate thread, it was discussed that this device has a SD reader in it. Thus, it's possible to mount the SD card and get it dirty and then have it yanked-out from underneath us by this unprompted mode switch that the device does. -- Matthew Dharm Maintainer, USB Mass Storage driver for Linux -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html