usb/176417: [xhci][cam][umass] kernelpanic while removing plugged in disk

Hans Petter Selasky hselasky at c2i.net
Mon Feb 25 14:23:50 UTC 2013


On Monday 25 February 2013 15:09:12 Wouter Oosterveld wrote:
> Please not all this happened while the drive was plugged in at the time.
> 
> Is the powersafe feature of USB3.0 not understood (if any) by the kernel or
> something?
> 
> -Wouter

How long was the drive plugged when this happened? Usually a sudden disconnect 
means one or more of:

- USB device firmware crashed
- Cable issue
- Power loss or insufficient power

--HPS


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