Date: Mon, 25 Feb 2013 15:25:47 +0100 From: Wouter Oosterveld <wouter.oosterveld@trimm.nl> To: 'Hans Petter Selasky' <hselasky@c2i.net> Cc: "mav@freebsd.org" <mav@freebsd.org>, "freebsd-gnats-submit@freebsd.org" <freebsd-gnats-submit@freebsd.org>, "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: RE: usb/176417: [xhci][cam][umass] kernelpanic while removing plugged in disk Message-ID: <0CC28A5E3CD2E64386838267A534E8A98BF02DDFD8@cheyenne.trimm.local> In-Reply-To: <201302251519.53882.hselasky@c2i.net> References: <201302251119.r1PBJIi4034741@red.freebsd.org> <201302251233.30790.hselasky@c2i.net> <0CC28A5E3CD2E64386838267A534E8A98BF02DDFD6@cheyenne.trimm.local> <201302251519.53882.hselasky@c2i.net>
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>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: It was plugged in for 4 days. >- USB device firmware crashed Could be. We use the same type of drive on Windows Servers. Not seen there yet. Not tested with this specific drive. Will do. >- Cable issue Could be. Not tested will do. >- Power loss or insufficient power Drive has its own power. LED is blinking as if in "no connection" or "powersafe" (conjecture). >--HPS -----Original Message----- From: Hans Petter Selasky [mailto:hselasky@c2i.net] Sent: maandag 25 februari 2013 15:20 To: Wouter Oosterveld Cc: freebsd-usb@freebsd.org; freebsd-gnats-submit@freebsd.org; mav@freebsd.org Subject: Re: usb/176417: [xhci][cam][umass] kernelpanic while removing plugged in disk 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 --HPShelp
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