On Sunday 15 January 2012 18:35:59 George Mitchell wrote:
> I have a USB compact flash reader-writer which is normally connected to
> my computer all the time but rarely contains a compact flash card. Here
> is a snippet from a verbose dmesg with FreeBSD 9.0-RC3:
> 
> 
> ugen0.5: <vendor 0x05e3> at usbus0
> umass0: <vendor 0x05e3 USB TO IDE, class 0/0, rev 2.00/0.32, addr 5> on
> usbus0
> umass0: SCSI over Bulk-Only; quirks = 0x4101
> umass0:2:0:-1: Attached to scbus2
> (probe0:umass-sim0:0:0:0): SCSI status error
> (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 1 0 0 ff 0
> (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> (probe0:umass-sim0:0:0:0): SCSI status: Check Condition
> (probe0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not
> present)
> (probe0:umass-sim0:0:0:0): Error 6, Unretryable error
> (probe0:umass-sim0:0:0:0): Down reving Protocol Version from 2 to 0?
> ...
> (probe0:umass-sim0:0:0:0): AutoSense failed
> (probe0:umass-sim0:0:0:0): Error 5, Unretryable error
> GEOM: new disk da0
> pass2 at umass-sim0 bus 0 scbus2 target 0 lun 0
> pass2: <Generic STORAGE DEVICE 1.00> Removable Direct Access SCSI-0 device
> pass2: 1.000MB/s transfers
> ...
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> (da0:umass-sim0:0:0:0): got CAM status 0x4
> (da0:umass-sim0:0:0:0): fatal error, failed to attach to device
> (da0:umass-sim0:0:0:0): lost device - 0 outstanding
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> (da0:umass-sim0:0:0:0): removing device entry
> Opened disk da0 -> 5
> 
> 
> Everything works normally, but the above events take about half a
> minute and bring the booting-up procedure to a halt while the
> retries finish. Is there a umass quirk I could enable to speed up
> whatever is happening here? usbconfig -d 0.5 dump_device_desc says:
> 
> ugen0.5: <USB TO IDE vendor 0x05e3> at usbus0, cfg=0 md=HOST spd=FULL
> (12Mbps) pwr=ON
> 
> bLength = 0x0012
> bDescriptorType = 0x0001
> bcdUSB = 0x0200
> bDeviceClass = 0x0000
> bDeviceSubClass = 0x0000
> bDeviceProtocol = 0x0000
> bMaxPacketSize0 = 0x0040
> idVendor = 0x05e3
> idProduct = 0x0703
> bcdDevice = 0x0032
> iManufacturer = 0x0000 <no string>
> iProduct = 0x0001 <retrieving string failed>
> iSerialNumber = 0x0000 <no string>
> bNumConfigurations = 0x0001
> 
> 
> Here's the corresponding dmesg output from 8.2-STABLE:
> 
> ugen0.5: <vendor 0x05e3> at usbus0
> umass0: <vendor 0x05e3 USB TO IDE, class 0/0, rev 2.00/0.32, addr 5> on
> usbus0
> umass0:  SCSI over Bulk-Only; quirks = 0x0000
> umass0: Get Max Lun not supported (USB_ERR_STALLED)
> umass0:2:0:-1: Attached to scbus2
> (probe0:umass-sim0:0:0:0): SCSI status error
> (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 1 0 0 ff 0
> (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> (probe0:umass-sim0:0:0:0): SCSI status: Check Condition
> (probe0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not
> present)
> (probe0:umass-sim0:0:0:0): Error 6, Unretryable error
> (probe0:umass-sim0:0:0:0): Down reving Protocol Version from 2 to 0?
> (probe0:umass-sim0:0:0:0): SCSI status error
> (probe0:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
> (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> (probe0:umass-sim0:0:0:0): SCSI status: Check Condition
> (probe0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not
> present)
> (probe0:umass-sim0:0:0:0): Error 6, Unretryable error
> GEOM: new disk da0
> pass2 at umass-sim0 bus 0 scbus2 target 0 lun 0
> pass2: <Generic STORAGE DEVICE 1.00> Removable Direct Access SCSI-0 device
> pass2: 1.000MB/s transfers
> (da0:umass-sim0:0:0:0): SCSI status error
> (da0:umass-sim0:0:0:0): READ CAPACITY(10). CDB: 25 0 0 0 0 0 0 0 0 0
> (da0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> (da0:umass-sim0:0:0:0): SCSI status: Check Condition
> (da0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
> (da0:umass-sim0:0:0:0): Error 6, Unretryable error
> da0 at umass-sim0 bus 0 scbus2 target 0 lun 0
> da0: <Generic STORAGE DEVICE 1.00> Removable Direct Access SCSI-0 device
> da0: 1.000MB/s transfers
> da0: Attempt to query device size failed: NOT READY, Medium not present
> (da0:umass-sim0:0:0:0): SCSI status error
> (da0:umass-sim0:0:0:0): READ CAPACITY(10). CDB: 25 0 0 0 0 0 0 0 0 0
> (da0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> (da0:umass-sim0:0:0:0): SCSI status: Check Condition
> (da0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
> (da0:umass-sim0:0:0:0): Error 6, Unretryable error
> Opened disk da0 -> 6
> (da0:umass-sim0:0:0:0): SCSI status error
> (da0:umass-sim0:0:0:0): READ CAPACITY(10). CDB: 25 0 0 0 0 0 0 0 0 0
> (da0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> (da0:umass-sim0:0:0:0): SCSI status: Check Condition
> (da0:umass-sim0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present)
> (da0:umass-sim0:0:0:0): Error 6, Unretryable error
> Opened disk da0 -> 6
> 
> (which all took only a couple of seconds, compared to half a minute
> with 9.0.)
> 
> When there is a flash card in the device, 9.0 behaves even worse,
> taking about two and a half minutes to do this:
> 
> ugen0.5: <vendor 0x05e3> at usbus0
> umass0: <vendor 0x05e3 USB TO IDE, class 0/0, rev 2.00/0.32, addr 5> on
> usbus0
> umass0:  SCSI over Bulk-Only; quirks = 0x4101
> umass0:2:0:-1: Attached to scbus2
> (probe0:umass-sim0:0:0:0): Down reving Protocol Version from 2 to 0?
> GEOM: new disk da0
> pass2 at umass-sim0 bus 0 scbus2 target 0 lun 0
> pass2: <Generic STORAGE DEVICE 1.00> Removable Direct Access SCSI-0 device
> pass2: 1.000MB/s transfers
> da0 at umass-sim0 bus 0 scbus2 target 0 lun 0
> da0: <Generic STORAGE DEVICE 1.00> Removable Direct Access SCSI-0 device
> da0: 1.000MB/s transfers
> da0: 245MB (501760 512 byte sectors: 64H 32S/T 245C)
> ...
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> Opened disk da0 -> 5
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Retrying command
> (da0:umass-sim0:0:0:0): Request completed with CAM_REQ_CMP_ERR
> (da0:umass-sim0:0:0:0): Error 5, Retries exhausted
> Opened disk da0 -> 5
> 
> Suggestions?                               -- George Mitchell

Hi,

I think this is a SCSI / CAM layer problem and not a USB problem.

--HPS
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