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connect a USB drive - nothing works!

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Can't get my Linux desktop (kubuntu feisty fawn 7.04) to connect to an 
external  USB drive.  Tried everything.  Drive is a Tsaihong 2508 USB2 
storage device (40Gb) and works perfectly in Windows XP.  Willing to 
convert to FAT 32 filesystem (it's now NTFS) but XP won't let me convert 
NTFS and Linux can't read the device so Linux converters won't work.  
Trolled through all the forums and tried everything, nothing works.

Here's the dmesg I get when I try to connect it.  Any ideas?


[ 2363.210652] usb 5-8: new high speed USB device using ehci_hcd and 
address 3
[ 2371.958858] usb 5-8: configuration #1 chosen from 1 choice
[ 2372.539516] usbcore: registered new interface driver libusual
[ 2372.568284] Initializing USB Mass Storage driver...
[ 2372.568388] scsi2 : SCSI emulation for USB Mass Storage devices
[ 2372.568466] usbcore: registered new interface driver usb-storage
[ 2372.568470] USB Mass Storage support registered.
[ 2372.568671] usb-storage: device found at 3
[ 2372.568674] usb-storage: waiting for device to settle before scanning
[ 2377.562216] usb-storage: device scan complete
[ 2377.563529] scsi 2:0:0:0: Direct-Access * _y c i a PQ: 0 ANSI: 0 CCS
[ 2377.568596] SCSI device sdb: 3616720531 512-byte hdwr sectors 
(1851761 MB)
[ 2377.574136] sdb: test WP failed, assume Write Enabled
[ 2377.574144] sdb: assuming drive cache: write through
[ 2377.575486] SCSI device sdb: 3616720531 512-byte hdwr sectors 
(1851761 MB)
[ 2377.579489] sdb: test WP failed, assume Write Enabled
[ 2377.579495] sdb: assuming drive cache: write through
[ 2377.579502] sdb:<6>usb 5-8: reset high speed USB device using 
ehci_hcd and address 3
[ 2446.442809] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2485.226142] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2524.009484] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2562.792825] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2601.576152] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2610.281378] sd 2:0:0:0: SCSI error: return code = 0x00050000
[ 2610.281385] end_request: I/O error, dev sdb, sector 0
[ 2610.281390] Buffer I/O error on device sdb, logical block 0
[ 2610.281398] Buffer I/O error on device sdb, logical block 1
[ 2610.281401] Buffer I/O error on device sdb, logical block 2
[ 2610.281404] Buffer I/O error on device sdb, logical block 3
[ 2610.281407] Buffer I/O error on device sdb, logical block 4
[ 2610.281410] Buffer I/O error on device sdb, logical block 5
[ 2610.281413] Buffer I/O error on device sdb, logical block 6
[ 2610.281415] Buffer I/O error on device sdb, logical block 7
[ 2640.359503] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2679.142833] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2717.926170] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2756.709511] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2795.492844] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2834.276183] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2842.981330] sd 2:0:0:0: SCSI error: return code = 0x00050000
[ 2842.981338] end_request: I/O error, dev sdb, sector 0
[ 2842.981343] Buffer I/O error on device sdb, logical block 0
[ 2842.981351] Buffer I/O error on device sdb, logical block 1
[ 2842.981354] Buffer I/O error on device sdb, logical block 2
[ 2842.981357] Buffer I/O error on device sdb, logical block 3
[ 2842.981360] Buffer I/O error on device sdb, logical block 4
[ 2842.981363] Buffer I/O error on device sdb, logical block 5
[ 2842.981365] Buffer I/O error on device sdb, logical block 6
[ 2842.981368] Buffer I/O error on device sdb, logical block 7
[ 2873.071520] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2911.854858] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2950.638177] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 2989.421525] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3028.204860] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3066.988202] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3075.693268] sd 2:0:0:0: SCSI error: return code = 0x00050000
[ 3075.693275] end_request: I/O error, dev sdb, sector 0
[ 3075.693280] Buffer I/O error on device sdb, logical block 0
[ 3075.693288] Buffer I/O error on device sdb, logical block 1
[ 3075.693291] Buffer I/O error on device sdb, logical block 2
[ 3075.693294] Buffer I/O error on device sdb, logical block 3
[ 3075.693297] Buffer I/O error on device sdb, logical block 4
[ 3075.693300] Buffer I/O error on device sdb, logical block 5
[ 3075.693302] Buffer I/O error on device sdb, logical block 6
[ 3075.693305] Buffer I/O error on device sdb, logical block 7
[ 3105.771535] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3144.554877] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3183.338224] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3222.121551] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3260.904901] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3299.696210] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3308.401337] sd 2:0:0:0: SCSI error: return code = 0x00050000
[ 3308.401344] end_request: I/O error, dev sdb, sector 0
[ 3308.401350] Buffer I/O error on device sdb, logical block 0
[ 3308.401357] Buffer I/O error on device sdb, logical block 1
[ 3308.401360] Buffer I/O error on device sdb, logical block 2
[ 3308.401363] Buffer I/O error on device sdb, logical block 3
[ 3308.401366] Buffer I/O error on device sdb, logical block 4
[ 3308.401369] Buffer I/O error on device sdb, logical block 5
[ 3308.401372] Buffer I/O error on device sdb, logical block 6
[ 3308.401374] Buffer I/O error on device sdb, logical block 7
[ 3338.479552] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3377.262894] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3416.046224] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3454.829567] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3493.612904] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3532.396235] usb 5-8: reset high speed USB device using ehci_hcd and 
address 3
[ 3541.101288] sd 2:0:0:0: SCSI error: return code = 0x00050000
[ 3541.101295] end_request: I/O error, dev sdb, sector 0
[ 3541.101300] Buffer I/O error on device sdb, logical block 0
[ 3541.101308] Buffer I/O error on device sdb, logical block 1
[ 3541.101311] Buffer I/O error on device sdb, logical block 2
[ 3541.101314] Buffer I/O error on device sdb, logical block 3
[ 3541.101317] Buffer I/O error on device sdb, logical block 4
[ 3541.101319] Buffer I/O error on device sdb, logical block 5
[ 3541.101322] Buffer I/O error on device sdb, logical block 6
[ 3541.101325] Buffer I/O error on device sdb, logical block 7
[ 3541.101352] ldm_validate_partition_table(): Disk read failed.
Thanks,
Bernie

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