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Cc: 
From: Wouter Oosterveld <wouter.oosterveld@trimm.nl>
Subject: RE: usb/176417: [xhci][cam][umass] kernelpanic while removing
 plugged in disk
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The following reply was made to PR usb/176417; it has been noted by GNATS.

From: Wouter Oosterveld <wouter.oosterveld@trimm.nl>
To: 'Hans Petter Selasky' <hselasky@c2i.net>, "freebsd-usb@freebsd.org"
	<freebsd-usb@freebsd.org>
Cc: "freebsd-gnats-submit@freebsd.org" <freebsd-gnats-submit@freebsd.org>,
	"mav@freebsd.org" <mav@freebsd.org>
Subject: RE: usb/176417: [xhci][cam][umass] kernelpanic while removing
 plugged in disk
Date: Mon, 25 Feb 2013 15:09:12 +0100

 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
 
 -----Original Message-----
 From: Hans Petter Selasky [mailto:hselasky@c2i.net]=20
 Sent: maandag 25 februari 2013 12:34
 To: freebsd-usb@freebsd.org
 Cc: Wouter Oosterveld; freebsd-gnats-submit@freebsd.org; mav@freebsd.org
 Subject: Re: usb/176417: [xhci][cam][umass] kernelpanic while removing plug=
 ged in disk
 
 Hi,
 
 This does not look like an USB issue. It is related to CAM/SCSI layer. mav =
 @ CC'ed
 
 --HPS
 
 On Monday 25 February 2013 12:19:18 Wouter Oosterveld wrote:
 > >Number:         176417
 > >Category:       usb
 > >Synopsis:       [xhci][cam][umass] kernelpanic while removing plugged in
 > >disk Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    freebsd-usb
 > >State:          open
 > >Quarter:
 > >Keywords:
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Mon Feb 25 11:20:00 UTC 2013
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Wouter Oosterveld
 > >Release:        FreeBSD backup01-trimm.trimm.net 9.0-RELEASE-p3 FreeBSD
 > >9.0-RELEASE-p3 #0: Tue Jun 12 02:52:29 UTC 2012   =20
 > >root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC =20
 > >amd64
 >=20
 > >Organization:
 > TriMM Multimedia
 >=20
 > >Environment:
 > FreeBSD backup01-trimm.trimm.net 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0=
 :
 > Tue Jun 12 02:52:29 UTC 2012   =20
 > root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
 >=20
 > >Description:
 > Symptoms:
 >=20
 > Messages of USB disk getting removed and rediscovered while still=20
 > plugged in.
 >=20
 > Kernelpanic while 'removing' device.
 >=20
 > Hardware:
 >=20
 > Sweex 2 Port USB 3.0 Card PCI Express (cheap) Chip reads D720200F1 /=20
 > 1119KU603 / Japan
 >=20
 > Western Digital "My Book Essential" with large >1TB disk.
 >=20
 > Screenshot: https://www.dropbox.com/s/bol6fxl37e7mu3g/IMAG0478.jpg
 >=20
 > Note:
 >=20
 > Machine is a ZFS fileserver with 16TB raidz2 array.
 >=20
 > >How-To-Repeat:
 > Plug in disk and see it getting 'removed' and rediscovered while being=20
 > plugged in.
 >=20
 > >Fix:
 > >
 > >
 > >Release-Note:
 > >Audit-Trail:
 >=20
 > >Unformatted:
 > _______________________________________________
 > freebsd-usb@freebsd.org mailing list
 > http://lists.freebsd.org/mailman/listinfo/freebsd-usb
 > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org"