Date: Tue, 19 Jan 2010 08:13:34 GMT From: Tom Vijlbrief <tom.vijlbrief@xs4all.nl> To: freebsd-gnats-submit@FreeBSD.org Subject: usb/142957: patch for USB disk SYNCHRONIZE CACHE problem Message-ID: <201001190813.o0J8DY0c088278@www.freebsd.org> Resent-Message-ID: <201001190820.o0J8K6st079296@freefall.freebsd.org>
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>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 root@nomadbsd.v7f.eu:/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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