usb/160911: The usb flash drive JetFlash Transcend 16GB 1100 doesn't work by default

Andrey borm at hotmail.ru
Thu Sep 22 16:30:07 UTC 2011


>Number:         160911
>Category:       usb
>Synopsis:       The usb flash drive JetFlash Transcend 16GB 1100 doesn't work by default
>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:   Thu Sep 22 16:30:05 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Andrey
>Release:        FreeBSD 9.0-BETA2
>Organization:
>Environment:
reeBSD localhost 9.0-BETA2 FreeBSD 9.0-BETA2 #9 r225639M: Sat Sep 17 20:06:00 MSK 2011     root at localhost:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
The usb flash drive JetFlash Transcend 16GB 1100 doesn't work by default:
dmesg;

ugen3.2: <JetFlash> at usbus3 
umass0: <JetFlash Mass Storage Device, class 0/0, rev 2.00/11.00, addr 2> on usbus3 
umass0:  SCSI over Bulk-Only; quirks = 0x0000 
umass0:13:0:-1: Attached to scbus13 
ugen3.2: <JetFlash> at usbus3 (disconnected) 
umass0: at uhub3, port 1, addr 2 (disconnected)

usbconfig:

<Mass Storage Device JetFlash> at usbus3, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON

/dev/ haven't any da* devices.


>How-To-Repeat:
plug in usb flash drive JetFlash Transcend 16GB 1100
>Fix:
usbconfig -d 3.2 add_quirk UQ_MSC_NO_SYNC_CACHE
usbconfig -d 3.2 reset

mount_msdos /dev/da0s1 /mnt/flash
done


>Release-Note:
>Audit-Trail:
>Unformatted:


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