On Thu, 5 Jul 2007, Gene Heskett wrote:

> Greetings;
> 
> I have a 40GB drive in a usb enclosure that when plugged in, signs on like 
> this in the dmesg output:
> 
> usb 3-3.4.2: uevent
> hub 3-3.4:1.0: debounce: port 2: total 100ms stable 100ms status 0x100
> hub 3-3.4:1.0: state 7 ports 4 chg 0000 evt 0004
> hub 3-3.4:1.0: port 2, status 0101, change 0001, 12 Mb/s
> hub 3-3.4:1.0: debounce: port 2: total 100ms stable 100ms status 0x101
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> usb 3-3.4.2: new high speed USB device using ehci_hcd and address 12
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> usb 3-3.4.2: default language 0x0409
> usb 3-3.4.2: new device strings: Mfr=1, Product=2, SerialNumber=3
> usb 3-3.4.2: Product: Maxtor OneTouch III
> usb 3-3.4.2: Manufacturer: Maxtor
> usb 3-3.4.2: SerialNumber: RA01ZFQC
> usb 3-3.4.2: uevent
> usb 3-3.4.2: usb_probe_device
> usb 3-3.4.2: configuration #1 chosen from 1 choice
> usb 3-3.4.2: adding 3-3.4.2:1.0 (config #1, interface 0)
> usb 3-3.4.2:1.0: uevent
> usb 3-3.4.2:1.0: uevent
> libusual 3-3.4.2:1.0: usb_probe_interface
> libusual 3-3.4.2:1.0: usb_probe_interface - got id
> usb-storage 3-3.4.2:1.0: usb_probe_interface
> usb-storage 3-3.4.2:1.0: usb_probe_interface - got id
> scsi2 : SCSI emulation for USB Mass Storage devices
> drivers/usb/core/inode.c: creating file '012'
> usb-storage: device found at 12
> usb-storage: waiting for device to settle before scanning
> usb-storage: device scan complete
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> usb 3-3.4.2: reset high speed USB device using ehci_hcd and address 12
> usb 3-3.4.2: usb-storage timed out on ep0in len=0/64
> ehci_hcd 0000:00:02.2: devpath 3.4.2 ep0in 3strikes
> ehci_hcd 0000:00:02.2: devpath 3.4.2 ep0in 3strikes
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> usb 3-3.4.2: device descriptor read/64, error -71
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> usb_endpoint usbdev3.12_ep01: ep_device_release called for usbdev3.12_ep01
> usb_endpoint usbdev3.12_ep82: ep_device_release called for usbdev3.12_ep82
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> usb 3-3.4.2: reset high speed USB device using ehci_hcd and address 12
> hub 3-3.4:1.0: port 2 not reset yet, waiting 10ms
> 
> The power led on the case lights up just fine, but the drive doesn't spin up.
> Plugged into my HP lappy (FC5), it spins up and automounts just fine but does 
> so at 1.1 speeds.
> 
> My config.gz is attached.  What am I missing?

Does the case use external power or does it run off USB bus power?  If 
it is bus-powered, perhaps it isn't getting enough juice.

Try turning on CONFIG_USB_STORAGE_DEBUG and see what shows up in the 
debugging log.

Alan Stern


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