RE: USB 3.0 HDD ILLEGAL REQUEST asc:20, 0 (Invalid command operation 
code)thanks!

any idea the best way to determine the unit & addr of the device?

sorry for the follow-up newbie question, but the usbconfig man page is a bit 
sparse.

From: Hans Petter Selasky 
Sent: Saturday, July 27, 2013 1:37 AM
To: Janaka Withana ; freebsd-usb@freebsd.org 
Subject: RE: USB 3.0 HDD ILLEGAL REQUEST asc:20, 0 (Invalid command operation 
code)

usbconfig -d X.Y add_quirk UQ_MSC_NO_SYNC_CACHE--HPS  -----Original 
message-----> From:Janaka Withana <jwith...@hotmail.com>> Sent: Friday 26th 
July 2013 23:37> To: freebsd-usb@freebsd.org> Subject: Re: USB 3.0 HDD ILLEGAL 
REQUEST asc:20, 0 (Invalid command operation code)> > Sorry,> > Seems one of 
the author suggested a fix.> > > Line to add to usb_quirk.c:> > 
USB_QUIRK_VP(0x13fe, 0x2240, 0x0000, 0xffff, UQ_MSC_NO_SYNC_CACHE),> > Any 
other workarounds you could suggest that would not require me to > recompile? I 
am using nas4free embedded.> > -----Original Message----- > From: Janaka 
Withana> Sent: Friday, July 26, 2013 5:33 PM> To: freebsd-usb@freebsd.org> 
Subject: USB 3.0 HDD ILLEGAL REQUEST asc:20,0 (Invalid command operation > 
code)> > I am using FreeBSD 9.1 to p4 (Nas4Free 9.1.0.1.804) and get the 
following> repeated errors using a USB 3.0 hard drive via a USB 3.0 port> > Jul 
26 17:11:26     nas     kernel: (da1:umass-sim1:1:0:0): SYNCHRONIZE> CACHE(10). 
CDB: 35 0 0 0 0
  0 0 0 0 0> Jul 26 17:11:26     nas     kernel: (da1:umass-sim1:1:0:0): CAM 
status: SCSI> Status Error> Jul 26 17:11:26     nas     kernel: 
(da1:umass-sim1:1:0:0): SCSI status:> Check Condition> Jul 26 17:11:26     nas  
   kernel: (da1:umass-sim1:1:0:0): SCSI sense:> ILLEGAL REQUEST asc:20,0 
(Invalid command operation code)> Jul 26 17:11:26     nas     kernel: 
(da1:umass-sim1:1:0:0): Error 22,> Unretryable error> > Drive is zfs formatted 
and seems to work without losing data. This issues> seems to keep popping up:> 
http://lists.freebsd.org/pipermail/freebsd-usb/2013-January/011850.html> 
http://lists.freebsd.org/pipermail/freebsd-usb/2012-April/011179.html> > Seems 
the last author proposed a fixL > > 
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