>Number: 142957
>Category: usb
>Synopsis: patch for USB disk SYNCHRONIZE CACHE problem
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-usb
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Jan 19 08:20:06 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Tom Vijlbrief
>Release: 8.0-RELEASE-p2
>Organization:
Home
>Environment:
FreeBSD nomadbsd.v7f.eu 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #3: Tue Jan 19
08:22:31 CET 2010 [email protected]:/usr/obj/usr/src/sys/TOM i386
>Description:
When using a noname USB drive with ZFS the messages log is filled with:
Jan 18 21:18:53 nomadbsd kernel: (da0:umass-sim0:0:0:0): SYNCHRONIZE CACHE(10).
CDB: 35 0 0 0 0 0 0 0 0 0
Jan 18 21:18:53 nomadbsd kernel: (da0:umass-sim0:0:0:0): CAM Status: SCSI
Status Error
Jan 18 21:18:53 nomadbsd kernel: (da0:umass-sim0:0:0:0): SCSI Status: Check
Condition
Jan 18 21:18:53 nomadbsd kernel: (da0:umass-sim0:0:0:0): ILLEGAL REQUEST
asc:20,0
Jan 18 21:18:53 nomadbsd kernel: (da0:umass-sim0:0:0:0): Invalid command
operation code
Jan 18 21:18:53 nomadbsd kernel: (da0:umass-sim0:0:0:0): Unretryable error
>How-To-Repeat:
Attach my USB drive and use ZFS
>Fix:
Apply this patch for adding a quirck specification to the usbdevs
Patch attached with submission follows:
*** sys/dev/usb/usbdevs.org Tue Jan 19 08:38:49 2010
--- sys/dev/usb/usbdevs Tue Jan 19 08:39:52 2010
***************
*** 1186,1191 ****
--- 1186,1192 ----
/* DMI products */
product DMI CFSM_RW 0xa109 CF/SM Reader/Writer
+ product DMI DISK 0x2bcf Generic Disk
/* DrayTek products */
product DRAYTEK VIGOR550 0x0550 Vigor550
*** sys/dev/usb/storage/umass.c.org Tue Jan 19 08:42:49 2010
--- sys/dev/usb/storage/umass.c Tue Jan 19 08:43:00 2010
***************
*** 460,465 ****
--- 460,469 ----
UMASS_PROTO_SCSI,
NO_GETMAXLUN
},
+ {USB_VENDOR_DMI, USB_PRODUCT_DMI_DISK, RID_WILDCARD,
+ UMASS_PROTO_SCSI | UMASS_PROTO_BBB,
+ NO_SYNCHRONIZE_CACHE
+ },
{USB_VENDOR_EPSON, USB_PRODUCT_EPSON_STYLUS_875DC, RID_WILDCARD,
UMASS_PROTO_SCSI | UMASS_PROTO_CBI,
NO_INQUIRY
>Release-Note:
>Audit-Trail:
>Unformatted:
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