Messages in this thread |  | | Date | Tue, 17 Sep 2002 21:37:58 -0400 | From | Pete Zaitcev <> | Subject | Re: Problems accessing USB Mass Storage |
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>> You should be able to run the equivalent: >> >> dd if=/dev/sda of=/dev/zero bs=512 count=8 > > I done that and please find the output below:
> SCSI device sda: 16384 512-byte hdwr sectors (8 MB) > usb-storage: queuecommand() called > usb-storage: *** thread awakened. > usb-storage: Command MODE_SENSE (6 bytes) > usb-storage: 1a 00 3f 00 ff 00 00 00 00 00 e9 df > usb-storage: Bulk command S 0x43425355 T 0x23 Trg 0 LUN 0 L 255 F 128 CL > 6 > usb-storage: Bulk command transfer result=0 > usb-storage: usb_stor_transfer_partial(): xfer 255 bytes > usb-storage: usb_stor_bulk_msg() returned -32 xferred 0/255 > usb-storage: clearing endpoint halt for pipe 0xc0038280 > usb-storage: usb_stor_clear_halt: result=0 > usb-storage: usb_stor_transfer_partial(): unknown error > usb-storage: Bulk data transfer result 0x2 > usb-storage: Attempting to get CSW... > usb-storage: Bulk status result = 0 > usb-storage: Bulk status Sig 0x53425355 T 0x23 R 255 Stat 0x1 > usb-storage: -- transport indicates command failure > usb-storage: Issuing auto-REQUEST_SENSE > usb-storage: Bulk command S 0x43425355 T 0x23 Trg 0 LUN 0 L 18 F 128 CL > 6 > usb-storage: Bulk command transfer result=0 > usb-storage: usb_stor_transfer_partial(): xfer 18 bytes > usb-storage: usb_stor_bulk_msg() returned 0 xferred 18/18 > usb-storage: usb_stor_transfer_partial(): transfer complete > usb-storage: Bulk data transfer result 0x0 > usb-storage: Attempting to get CSW... > usb-storage: Bulk status result = 0 > usb-storage: Bulk status Sig 0x53425355 T 0x23 R 0 Stat 0x0 > usb-storage: -- Result from auto-sense is 0 > usb-storage: -- code: 0x70, key: 0x5, ASC: 0x24, ASCQ: 0x0 > usb-storage: Illegal Request: invalid field in CDB > usb-storage: scsi cmd done, result=0x2 > usb-storage: *** thread sleeping. > sda: test WP failed, assume Write Enabled > sda: I/O error: dev 08:00, sector 0 > I/O error: dev 08:00, sector 0 > unable to read partition table <------------------------------------ this is wrong. Error without a command. > usb-storage: queuecommand() called > usb-storage: *** thread awakened. > usb-storage: Command ALLOW_MEDIUM_REMOVAL (6 bytes) > usb-storage: 1e 00 00 00 01 00 d7 d4 b7 1e 14 c0 > usb-storage: Bulk command S 0x43425355 T 0x24 Trg 0 LUN 0 L 0 F 0 CL 6 > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: Bulk status result = 0 > usb-storage: Bulk status Sig 0x53425355 T 0x24 R 0 Stat 0x0 > usb-storage: scsi cmd done, result=0x0 > usb-storage: *** thread sleeping. > I/O error: dev 08:00, sector 0
Seems like media check gets confused.
The missing MODE SENSE is bad, but not fatal. Everything should work.
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