How to Reset a USB Device
If a USB device behaves erratically, use the cfgadm
command to reset the device, which logically removes and recreates the device.
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Become superuser.
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Make sure the device is not in use.
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Reset the device.
# cfgadm -x usb_reset -y usb0/4.7
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Verify that the device is connected.
# cfgadm usb0/4.7
Ap_Id Type Receptacle Occupant Condition
usb0/4.7 usb-storage connected configured ok
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