Hi: 2009/7/30 loody <miloody@xxxxxxxxx>: > Dear all: > I try to mount usb flash on my embedded system. > But I get the error message as "Invalid argument". > (I attach the log at the end of letter) > From the log, it seems scsi driver address the usb flash as sda1 and > /dev/sda1 node has been created as block device with (8,0), (major, > minor) number. > I also have create /mnt there. > Did I forget something? > appreciate your help, > miloody > > usb 1-1: new high speed USB device using ehci and address 4 > usb 1-1: Product: Mass Storage Device > usb 1-1: Manufacturer: JetFlash > usb 1-1: SerialNumber: H7DXB40C > usb 1-1: configuration #1 chosen from 1 choice > scsi2 : SCSI emulation for USB Mass Storage devices > Vendor: JetFlash Model: TS4GJFV30 Rev: 8.07 > Type: Direct-Access ANSI SCSI revision: 02 > SCSI device sda: 7987198 512-byte hdwr sectors (4089 MB) > sda: Write Protect is off > sda: assuming drive cache: write through > SCSI device sda: 7987198 512-byte hdwr sectors (4089 MB) > sda: Write Protect is off > sda: assuming drive cache: write through > sda:<7>usb-storage: queuecommand called > sda1 > sd 2:0:0:0: Attached scsi removable disk sda > sd 2:0:0:0: Attached scsi generic sg0 type 0 > /temp # mount -t vfat /dev/sda1 /mnt/ > mount: mounting /dev/sda1 on /mnt/ failed: Invalid argument > > /temp # ls /dev -l > crw------- 1 500 500 5, 1 Jan 1 00:00 console > drwxr-xr-x 3 0 0 0 Jan 1 00:00 dvb > crw-r--r-- 1 500 500 1, 1 Jan 1 00:00 mem > crw-r--r-- 1 0 0 1, 3 Jan 1 00:00 null > crw-rw-rw- 1 0 0 1, 8 Jan 1 00:00 random > crw-r--r-- 1 0 0 10, 135 Jan 1 00:00 rtc > brw-r--r-- 1 0 0 8, 0 Jan 1 00:00 sda1 > crw-r--r-- 1 500 500 5, 0 Jan 1 00:00 tty > crw------- 1 500 500 4, 64 Jan 1 00:34 ttyS0 > crw-r--r-- 1 0 0 4, 65 Jan 1 00:00 ttyS1 > crw-r--r-- 1 0 0 10, 130 Jan 1 00:00 watchdog > crw-rw-rw- 1 0 0 1, 5 Jan 1 00:00 zero > /temp # ls / -l > drwxr-xr-x 2 0 0 0 Jan 1 00:00 bin > drwxr-xr-x 3 0 0 0 Jan 1 00:09 dev > drwxr-xr-x 3 0 0 0 Jan 1 00:00 etc > lrwxrwxrwx 1 500 500 11 Jan 1 00:00 init -> bin/busybox > drwxr-xr-x 2 0 0 0 Jan 1 00:00 lib > drwxr-xr-x 2 0 0 0 Jan 1 00:05 mnt > dr-xr-xr-x 28 0 0 0 Jan 1 00:00 proc > drwxr-xr-x 2 0 0 0 Jan 1 00:00 sbin > drwxr-xr-x 10 0 0 0 Jan 1 00:00 sys > drwxr-xr-x 2 0 0 0 Jan 1 00:00 temp > drwxr-xr-x 3 0 0 0 Jan 1 00:00 usr > I found my dmesg, append at the end of mail, shows the scsi commands, TEST_UNIT_READY and READ_10 are send and receive CSW successfully. The flash can be recognized on my ununtu system as vfat. And I also insmod all the file modules I think I need as below. /temp # lsmod Module Size Used by Not tainted ehci_hcd 45104 0 ntfs 295600 0 vfat 11424 0 fat 52048 1 vfat nls_iso8859_1 3904 10 nls_cp437 5568 0 nls_base 6720 5 ntfs,vfat,fat,nls_iso8859_1,nls_cp437 usb_storage 51824 0 sd_mod 17328 0 sg 31296 0 scsi_mod 94752 3 usb_storage,sd_mod,sg usbcore 137552 3 ehci_hcd,usb_storage /temp # Did I miss something? appreciate your help, miloody usb-storage: queuecommand called usb-storage: *** thread awakened. usb-storage: Command TEST_UNIT_READY (6 bytes) usb-storage: 00 00 00 00 00 00 usb-storage: Bulk Command S 0x43425355 T 0xe L 0 F 0 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0xe R 0 Stat 0x0 usb-storage: scsi cmd done, result=0x0 usb-storage: *** thread sleeping. usb-storage: queuecommand called usb-storage: *** thread awakened. usb-storage: Command READ_10 (10 bytes) usb-storage: 28 00 00 00 00 00 00 00 01 00 usb-storage: Bulk Command S 0x43425355 T 0xf L 512 F 128 Trg 0 LUN 0 CL 10 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_sglist: xfer 512 bytes, 1 entries usb-storage: Status code 0; transferred 512/512 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0xf R 0 Stat 0x0 usb-storage: scsi cmd done, result=0x0 usb-storage: *** thread sleeping. usb-storage: queuecommand called usb-storage: *** thread awakened. usb-storage: Command TEST_UNIT_READY (6 bytes) usb-storage: 00 00 00 00 00 00 usb-storage: Bulk Command S 0x43425355 T 0x10 L 0 F 0 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x10 R 0 Stat 0x0 usb-storage: scsi cmd done, result=0x0 usb-storage: *** thread sleeping. usb-storage: queuecommand called usb-storage: *** thread awakened. usb-storage: Command READ_10 (10 bytes) usb-storage: 28 00 00 00 00 00 00 00 01 00 usb-storage: Bulk Command S 0x43425355 T 0x11 L 512 F 128 Trg 0 LUN 0 CL 10 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_sglist: xfer 512 bytes, 1 entries usb-storage: Status code 0; transferred 512/512 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x11 R 0 Stat 0x0 usb-storage: scsi cmd done, result=0x0 usb-storage: *** thread sleeping. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
