On Wednesday 13 February 2013 09:52:35 Zeus Panchenko wrote:
> hi,
> 
> on Kingston microSD reader FCR-MRG2 plug-in I receive a lot of conplains:
> 
> ugen1.3: <Silicon Motion, Inc.> at usbus1
> umass1: <Silicon Motion, Inc. Generic USB2.0 card, class 0/0, rev
> 2.00/1.00, addr 3> on usbus1 da1 at umass-sim1 bus 1 scbus3 target 0 lun 0
> da1: <Generic USB  SD Reader 1.00> Removable Direct Access SCSI-0 device
> da1: 40.000MB/s transfers
> da1: 1876MB (3842048 512 byte sectors: 255H 63S/T 239C)
> (da1:umass-sim1:1:0:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 1 0
> (da1:umass-sim1:1:0:0): CAM status: SCSI Status Error
> (da1:umass-sim1:1:0:0): SCSI status: Check Condition
> (da1:umass-sim1:1:0:0): SCSI sense: No sense data present
> (da1:umass-sim1:1:0:0): Retrying command (per sense data)
> ...
> cut 16 sections like above
> ...
> ugen1.3: <Silicon Motion, Inc.> at usbus1 (disconnected)
> umass1: at uhub1, port 1, addr 3 (disconnected)
> (da1:umass-sim1:1:0:0): lost device - 0 outstanding, 1 refs
> (pass2:umass-sim1:1:(da1:0:umass-sim1:1:0): 0:passdevgonecb: devfs entry is
> gone 0): removing device entry
> 
> > uname
> 
> FreeBSD 9.1-STABLE #12 r246707: amd64
> 
> > usbconfig
> 
> ugen1.3: <Generic USB2.0 card Silicon Motion, Inc.> at usbus1, cfg=0
> md=HOST spd=HIGH (480Mbps) pwr=ON
> 
> 
> is it expected behaviour?

Hi,

Try to set the no synchronize quirk for your device first:

usbconfig dump_quirk_names

usbconfig -d X.Y add_quirk UQ_MSC_NO_SYNC_CACHE

--HPS
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