How to cleanly remove a non-storage USB device

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Is there a way in Linux to cleanly remove (i.e. 'safely remove') a USB device that is not a mass storage device before it is unplugged?



My problem:



I have a USB TV stick - a 'Mygica T230 DVB-T/T2/C'.



It works ok, and usually when I unplug it, syslog reports that it is 'successfully disconnected' and then the USB port can subsequently be used again as normal.



However, sometimes this isn't the case: I unplug it and the system doesn't realize that it has been disconnected. lsusb reports that it is still connected and the USB port is unusable until I reboot the computer. When I do reboot the computer it hangs, forcing me to hold the power button.



What I need is to be able to tell the computer to disconnect the device before I unplug it.



For an external hard drive I would use:



$ udisksctl power-off -b /dev/sdx


Is there an equivalent command for non mass storage devices?










share|improve this question


























    3















    Is there a way in Linux to cleanly remove (i.e. 'safely remove') a USB device that is not a mass storage device before it is unplugged?



    My problem:



    I have a USB TV stick - a 'Mygica T230 DVB-T/T2/C'.



    It works ok, and usually when I unplug it, syslog reports that it is 'successfully disconnected' and then the USB port can subsequently be used again as normal.



    However, sometimes this isn't the case: I unplug it and the system doesn't realize that it has been disconnected. lsusb reports that it is still connected and the USB port is unusable until I reboot the computer. When I do reboot the computer it hangs, forcing me to hold the power button.



    What I need is to be able to tell the computer to disconnect the device before I unplug it.



    For an external hard drive I would use:



    $ udisksctl power-off -b /dev/sdx


    Is there an equivalent command for non mass storage devices?










    share|improve this question
























      3












      3








      3








      Is there a way in Linux to cleanly remove (i.e. 'safely remove') a USB device that is not a mass storage device before it is unplugged?



      My problem:



      I have a USB TV stick - a 'Mygica T230 DVB-T/T2/C'.



      It works ok, and usually when I unplug it, syslog reports that it is 'successfully disconnected' and then the USB port can subsequently be used again as normal.



      However, sometimes this isn't the case: I unplug it and the system doesn't realize that it has been disconnected. lsusb reports that it is still connected and the USB port is unusable until I reboot the computer. When I do reboot the computer it hangs, forcing me to hold the power button.



      What I need is to be able to tell the computer to disconnect the device before I unplug it.



      For an external hard drive I would use:



      $ udisksctl power-off -b /dev/sdx


      Is there an equivalent command for non mass storage devices?










      share|improve this question














      Is there a way in Linux to cleanly remove (i.e. 'safely remove') a USB device that is not a mass storage device before it is unplugged?



      My problem:



      I have a USB TV stick - a 'Mygica T230 DVB-T/T2/C'.



      It works ok, and usually when I unplug it, syslog reports that it is 'successfully disconnected' and then the USB port can subsequently be used again as normal.



      However, sometimes this isn't the case: I unplug it and the system doesn't realize that it has been disconnected. lsusb reports that it is still connected and the USB port is unusable until I reboot the computer. When I do reboot the computer it hangs, forcing me to hold the power button.



      What I need is to be able to tell the computer to disconnect the device before I unplug it.



      For an external hard drive I would use:



      $ udisksctl power-off -b /dev/sdx


      Is there an equivalent command for non mass storage devices?







      linux usb






      share|improve this question













      share|improve this question











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      asked Feb 15 at 14:33









      EmmaVEmmaV

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