I don't think the SCSI layer is bug free when it comes to
detaching active devices.  (I could be a USB bug as well,
of course.)

    -- Lennart

Michal 'hramrach' Suchanek wrote:

>My kernel sources are probably from Jul 15
>When I connect my usb flash reader I get /dev/sd0d.
>I can do "cat /dev/sd0d >/dev/null" and unplug the reader while cat is running.
>Once the system crashed, twice it just locked.
>I was unable to get any coredump.
>
>I will try with a different kernel once I update and compile a new version.
>  
>