Subject: umass(4) fails on large transfer
To: None <tech-kern@netbsd.org>
From: ITOH Yasufumi <itohy@netbsd.org>
List: tech-kern
Date: 12/02/2006 01:31:10
Hello,

I have a USB flash memory and I can't mount it on NetBSD.
It works on MS Windows and Linux.

I noticed it hangs on large (>= 8KB) transfer.
> umass0: Data-in 8192 failed, IOERROR
Smaller transfer works, and I suspect something wrong
in the protocol level.

PR kern/31428 seems a similar problem.

Does anyone have a clue?


The device is like this:
umass0 at uhub0 port 1 configuration 1 interface 0
umass0: M-SysT5 Dell Memory Key, rev 2.00/2.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 1 lun per target
sd0 at scsibus0 target 0 lun 0: <M-SysT5, Dell Memory Key, 5.00> disk removable
sd0: 243 MB, 976 cyl, 128 head, 4 sec, 512 bytes/sect x 499711 sectors


7.5KB transfer works:
% dd if=/dev/rsd0d of=/dev/null bs=7680 count=100
100+0 records in
100+0 records out
768000 bytes transferred in 1.504 secs (510638 bytes/sec)
%

8KB transfer fails:
(enter ddb)
db> w/l umassdebug 0xffffffff
db> c
% dd if=/dev/rsd0d of=/dev/null bs=8192 count=1
(hang for ~6 minutes)
dd: /dev/rsd0d: Input/output error
0+0 records in
0+0 records out
0 bytes transferred in 325.177 secs (0 bytes/sec)

Kernel message on 8KB transfer:
Nov 28 22:02:42 mei /netbsd: umass0: umass_scsi_cmd: at 1164718962.755223: 0:0 xs=0xc0639f08 cmd=0x00 datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:02:43 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:02:43 mei /netbsd: umass0: umass_bbb_transfer cmd=0x00
Nov 28 22:02:43 mei /netbsd: umass0: CBW 587: cmdlen=6 (0x00000000000000000f00), data = 0 bytes, dir = out
Nov 28 22:02:43 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=15000
Nov 28 22:02:43 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, NORMAL_COMPLETION
Nov 28 22:02:43 mei /netbsd: umass0: no data phase
Nov 28 22:02:43 mei /netbsd: umass0: start xfer buffer=0xc06db48f buflen=13 flags=0x0 timeout=15000
Nov 28 22:02:43 mei /netbsd: umass0: Handling BBB state 4 (BBB CSW, 1st attempt), xfer=0xc0797b80, NORMAL_COMPLETION
Nov 28 22:02:43 mei /netbsd: umass0: CSW 587: sig = 0x53425355 (valid), tag = 587, res = 0, status = 0x00 (good)
Nov 28 22:02:43 mei /netbsd: umass_scsipi_cb: at 1164718962.765435, delta=10212: xs=0xc0639f08 residue=0 status=0
Nov 28 22:02:43 mei /netbsd: umass_scsipi_cb: at 1164718962.765435: return xs->error=0, xs->xs_status=0x0 xs->resid=0
Nov 28 22:02:43 mei /netbsd: umass0: umass_scsi_cmd: at 1164718962.766857: 0:0 xs=0xc0639f08 cmd=0x1e datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:02:43 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:02:43 mei /netbsd: umass0: umass_bbb_transfer cmd=0x1e
Nov 28 22:02:43 mei /netbsd: umass0: CBW 588: cmdlen=6 (0x1e000000010000000f00), data = 0 bytes, dir = out
Nov 28 22:02:43 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=10000
Nov 28 22:02:43 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, NORMAL_COMPLETION
Nov 28 22:02:43 mei /netbsd: umass0: no data phase
Nov 28 22:02:43 mei /netbsd: umass0: start xfer buffer=0xc06db48f buflen=13 flags=0x0 timeout=10000
Nov 28 22:02:43 mei /netbsd: umass0: Handling BBB state 4 (BBB CSW, 1st attempt), xfer=0xc0797b80, NORMAL_COMPLETION
Nov 28 22:02:43 mei /netbsd: umass0: CSW 588: sig = 0x53425355 (valid), tag = 588, res = 0, status = 0x00 (good)
Nov 28 22:02:43 mei /netbsd: umass_scsipi_cb: at 1164718962.775424, delta=8567: xs=0xc0639f08 residue=0 status=0
Nov 28 22:02:43 mei /netbsd: umass_scsipi_cb: at 1164718962.775424: return xs->error=0, xs->xs_status=0x0 xs->resid=0
Nov 28 22:02:43 mei /netbsd: umass0: umass_scsi_cmd: at 1164718962.778958: 0:0 xs=0xc0639f08 cmd=0x28 datalen=8192 (quirks=0x8010, poll=0)
Nov 28 22:02:43 mei /netbsd: umass_scsi_cmd: async dir=1, cmdlen=10 datalen=8192
Nov 28 22:02:43 mei /netbsd: umass0: umass_bbb_transfer cmd=0x28
Nov 28 22:02:43 mei /netbsd: umass0: CBW 589: cmdlen=10 (0x28000000000000001000), data = 8192 bytes, dir = in
Nov 28 22:02:43 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=65000
Nov 28 22:02:43 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, NORMAL_COMPLETION
Nov 28 22:02:43 mei /netbsd: umass0: start xfer buffer=0xc6a61000 buflen=8192 flags=0x5 timeout=65000
Nov 28 22:02:43 mei /netbsd: umass0: Handling BBB state 2 (BBB Data), xfer=0xc0797c80, IOERROR
Nov 28 22:02:43 mei /netbsd: umass0: BBB_DATA actlen=0
Nov 28 22:02:43 mei /netbsd: umass0: Data-in 8192 failed, IOERROR
Nov 28 22:02:43 mei /netbsd: umass0: Bulk Reset
Nov 28 22:03:47 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, TIMEOUT
Nov 28 22:03:48 mei /netbsd: umass0: BBB reset failed, TIMEOUT
Nov 28 22:03:48 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:03:48 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:03:48 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:03:48 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:03:48 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:03:48 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:03:48 mei /netbsd: umass_scsipi_cb: at 1164719027.812532, delta=65033574: xs=0xc0639f08 residue=8192 status=3
Nov 28 22:03:48 mei /netbsd: umass_scsipi_cb: at 1164719027.812532: return xs->error=8, xs->xs_status=0x0 xs->resid=8192
Nov 28 22:03:48 mei /netbsd: umass0: umass_scsi_cmd: at 1164719027.814021: 0:0 xs=0xc0639f08 cmd=0x28 datalen=8192 (quirks=0x8010, poll=0)
Nov 28 22:03:48 mei /netbsd: umass_scsi_cmd: async dir=1, cmdlen=10 datalen=8192
Nov 28 22:03:48 mei /netbsd: umass0: umass_bbb_transfer cmd=0x28
Nov 28 22:03:48 mei /netbsd: umass0: CBW 590: cmdlen=10 (0x28000000000000001000), data = 8192 bytes, dir = in
Nov 28 22:03:48 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=65000
Nov 28 22:04:52 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:04:53 mei /netbsd: umass0: failed to send CBW
Nov 28 22:04:53 mei /netbsd: umass0: Bulk Reset
Nov 28 22:04:53 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:04:53 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:04:53 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:04:53 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:04:53 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:04:53 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:04:53 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:04:53 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:04:53 mei /netbsd: umass_scsipi_cb: at 1164719092.848916, delta=65034895: xs=0xc0639f08 residue=8192 status=3
Nov 28 22:04:53 mei /netbsd: umass_scsipi_cb: at 1164719092.848916: return xs->error=8, xs->xs_status=0x0 xs->resid=8192
Nov 28 22:04:53 mei /netbsd: umass0: umass_scsi_cmd: at 1164719092.850390: 0:0 xs=0xc0639f08 cmd=0x28 datalen=8192 (quirks=0x8010, poll=0)
Nov 28 22:04:53 mei /netbsd: umass_scsi_cmd: async dir=1, cmdlen=10 datalen=8192
Nov 28 22:04:53 mei /netbsd: umass0: umass_bbb_transfer cmd=0x28
Nov 28 22:04:53 mei /netbsd: umass0: CBW 591: cmdlen=10 (0x28000000000000001000), data = 8192 bytes, dir = in
Nov 28 22:04:53 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=65000
Nov 28 22:05:57 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:05:58 mei /netbsd: umass0: failed to send CBW
Nov 28 22:05:58 mei /netbsd: umass0: Bulk Reset
Nov 28 22:05:58 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:05:58 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:05:58 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:05:58 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:05:58 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:05:58 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:05:58 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:05:58 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:05:58 mei /netbsd: umass_scsipi_cb: at 1164719157.882349, delta=65031959: xs=0xc0639f08 residue=8192 status=3
Nov 28 22:05:58 mei /netbsd: umass_scsipi_cb: at 1164719157.882349: return xs->error=8, xs->xs_status=0x0 xs->resid=8192
Nov 28 22:05:58 mei /netbsd: umass0: umass_scsi_cmd: at 1164719157.883846: 0:0 xs=0xc0639f08 cmd=0x28 datalen=8192 (quirks=0x8010, poll=0)
Nov 28 22:05:58 mei /netbsd: umass_scsi_cmd: async dir=1, cmdlen=10 datalen=8192
Nov 28 22:05:58 mei /netbsd: umass0: umass_bbb_transfer cmd=0x28
Nov 28 22:05:58 mei /netbsd: umass0: CBW 592: cmdlen=10 (0x28000000000000001000), data = 8192 bytes, dir = in
Nov 28 22:05:58 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=65000
Nov 28 22:07:02 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:07:03 mei /netbsd: umass0: failed to send CBW
Nov 28 22:07:03 mei /netbsd: umass0: Bulk Reset
Nov 28 22:07:03 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:07:03 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:07:03 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:07:03 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:07:03 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:07:03 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:07:03 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:07:03 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:07:03 mei /netbsd: umass_scsipi_cb: at 1164719222.915728, delta=65031882: xs=0xc0639f08 residue=8192 status=3
Nov 28 22:07:03 mei /netbsd: umass_scsipi_cb: at 1164719222.915728: return xs->error=8, xs->xs_status=0x0 xs->resid=8192
Nov 28 22:07:03 mei /netbsd: umass0: umass_scsi_cmd: at 1164719222.917188: 0:0 xs=0xc0639f08 cmd=0x28 datalen=8192 (quirks=0x8010, poll=0)
Nov 28 22:07:03 mei /netbsd: umass_scsi_cmd: async dir=1, cmdlen=10 datalen=8192
Nov 28 22:07:03 mei /netbsd: umass0: umass_bbb_transfer cmd=0x28
Nov 28 22:07:03 mei /netbsd: umass0: CBW 593: cmdlen=10 (0x28000000000000001000), data = 8192 bytes, dir = in
Nov 28 22:07:03 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=65000
Nov 28 22:08:07 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:08:08 mei /netbsd: umass0: failed to send CBW
Nov 28 22:08:08 mei /netbsd: umass0: Bulk Reset
Nov 28 22:08:08 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:08:08 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:08:08 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:08:08 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:08:08 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:08:08 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:08:08 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:08:08 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:08:08 mei /netbsd: umass_scsipi_cb: at 1164719287.949178, delta=65031990: xs=0xc0639f08 residue=8192 status=3
Nov 28 22:08:08 mei /netbsd: umass_scsipi_cb: at 1164719287.949178: return xs->error=8, xs->xs_status=0x0 xs->resid=8192
Nov 28 22:08:08 mei /netbsd: umass0: umass_scsi_cmd: at 1164719287.956632: 0:0 xs=0xc0639f08 cmd=0x1e datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:08:08 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:08:08 mei /netbsd: umass0: umass_bbb_transfer cmd=0x1e
Nov 28 22:08:08 mei /netbsd: umass0: CBW 594: cmdlen=6 (0x1e000000000000001000), data = 0 bytes, dir = out
Nov 28 22:08:08 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=10000
Nov 28 22:08:17 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:08:18 mei /netbsd: umass0: failed to send CBW
Nov 28 22:08:18 mei /netbsd: umass0: Bulk Reset
Nov 28 22:08:18 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:08:18 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:08:18 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:08:18 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:08:18 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:08:18 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:08:18 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:08:18 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:08:18 mei /netbsd: umass_scsipi_cb: at 1164719297.997452, delta=10040820: xs=0xc0639f08 residue=0 status=3
Nov 28 22:08:18 mei /netbsd: umass_scsipi_cb: at 1164719297.997452: return xs->error=8, xs->xs_status=0x0 xs->resid=0
Nov 28 22:08:18 mei /netbsd: umass0: umass_scsi_cmd: at 1164719297.998884: 0:0 xs=0xc0639f08 cmd=0x1e datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:08:18 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:08:18 mei /netbsd: umass0: umass_bbb_transfer cmd=0x1e
Nov 28 22:08:18 mei /netbsd: umass0: CBW 595: cmdlen=6 (0x1e000000000000001000), data = 0 bytes, dir = out
Nov 28 22:08:18 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=10000
Nov 28 22:08:28 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:08:28 mei /netbsd: umass0: failed to send CBW
Nov 28 22:08:28 mei /netbsd: umass0: Bulk Reset
Nov 28 22:08:28 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:08:28 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:08:28 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:08:28 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:08:28 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:08:28 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:08:28 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:08:28 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:08:28 mei /netbsd: umass_scsipi_cb: at 1164719308.037633, delta=10038749: xs=0xc0639f08 residue=0 status=3
Nov 28 22:08:28 mei /netbsd: umass_scsipi_cb: at 1164719308.037633: return xs->error=8, xs->xs_status=0x0 xs->resid=0
Nov 28 22:08:28 mei /netbsd: umass0: umass_scsi_cmd: at 1164719308.039041: 0:0 xs=0xc0639f08 cmd=0x1e datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:08:28 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:08:28 mei /netbsd: umass0: umass_bbb_transfer cmd=0x1e
Nov 28 22:08:28 mei /netbsd: umass0: CBW 596: cmdlen=6 (0x1e000000000000001000), data = 0 bytes, dir = out
Nov 28 22:08:28 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=10000
Nov 28 22:08:38 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:08:38 mei /netbsd: umass0: failed to send CBW
Nov 28 22:08:38 mei /netbsd: umass0: Bulk Reset
Nov 28 22:08:38 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:08:38 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:08:38 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:08:38 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:08:38 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:08:38 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:08:38 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:08:38 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:08:38 mei /netbsd: umass_scsipi_cb: at 1164719318.075854, delta=10036813: xs=0xc0639f08 residue=0 status=3
Nov 28 22:08:38 mei /netbsd: umass_scsipi_cb: at 1164719318.075854: return xs->error=8, xs->xs_status=0x0 xs->resid=0
Nov 28 22:08:38 mei /netbsd: umass0: umass_scsi_cmd: at 1164719318.077244: 0:0 xs=0xc0639f08 cmd=0x1e datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:08:38 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:08:38 mei /netbsd: umass0: umass_bbb_transfer cmd=0x1e
Nov 28 22:08:38 mei /netbsd: umass0: CBW 597: cmdlen=6 (0x1e000000000000001000), data = 0 bytes, dir = out
Nov 28 22:08:38 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=10000
Nov 28 22:08:48 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:08:48 mei /netbsd: umass0: failed to send CBW
Nov 28 22:08:48 mei /netbsd: umass0: Bulk Reset
Nov 28 22:08:48 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:08:48 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:08:48 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:08:48 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:08:48 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:08:48 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:08:48 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:08:48 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:08:48 mei /netbsd: umass_scsipi_cb: at 1164719328.114125, delta=10036881: xs=0xc0639f08 residue=0 status=3
Nov 28 22:08:48 mei /netbsd: umass_scsipi_cb: at 1164719328.114125: return xs->error=8, xs->xs_status=0x0 xs->resid=0
Nov 28 22:08:48 mei /netbsd: umass0: umass_scsi_cmd: at 1164719328.115556: 0:0 xs=0xc0639f08 cmd=0x1e datalen=0 (quirks=0x8010, poll=0)
Nov 28 22:08:48 mei /netbsd: umass_scsi_cmd: async dir=0, cmdlen=6 datalen=0
Nov 28 22:08:48 mei /netbsd: umass0: umass_bbb_transfer cmd=0x1e
Nov 28 22:08:48 mei /netbsd: umass0: CBW 598: cmdlen=6 (0x1e000000000000001000), data = 0 bytes, dir = out
Nov 28 22:08:48 mei /netbsd: umass0: start xfer buffer=0xc06db470 buflen=31 flags=0x0 timeout=10000
Nov 28 22:08:58 mei /netbsd: umass0: Handling BBB state 1 (BBB CBW), xfer=0xc064f080, TIMEOUT
Nov 28 22:08:58 mei /netbsd: umass0: failed to send CBW
Nov 28 22:08:58 mei /netbsd: umass0: Bulk Reset
Nov 28 22:08:58 mei /netbsd: umass0: Handling BBB state 7 (BBB Reset), xfer=0xc0797a00, IOERROR
Nov 28 22:08:58 mei /netbsd: umass0: BBB reset failed, IOERROR
Nov 28 22:08:58 mei /netbsd: umass0: Clear endpoint 0x81 stall
Nov 28 22:08:58 mei /netbsd: umass0: Handling BBB state 8 (BBB bulk-in clear stall), xfer=0xc0797900, IOERROR
Nov 28 22:08:58 mei /netbsd: umass0: BBB bulk-in clear stall failed, IOERROR
Nov 28 22:08:58 mei /netbsd: umass0: Clear endpoint 0x02 stall
Nov 28 22:08:58 mei /netbsd: umass0: Handling BBB state 9 (BBB bulk-out clear stall), xfer=0xc0797880, IOERROR
Nov 28 22:08:58 mei /netbsd: umass0: BBB bulk-out clear stall failed, IOERROR
Nov 28 22:08:58 mei /netbsd: umass_scsipi_cb: at 1164719338.151327, delta=10035771: xs=0xc0639f08 residue=0 status=3
Nov 28 22:08:58 mei /netbsd: umass_scsipi_cb: at 1164719338.151327: return xs->error=8, xs->xs_status=0x0 xs->resid=0

Regards,
-- 
ITOH Yasufumi