When I try to transfer large files to my usb2 external hard disk (but not from
it) it freezes randomly for a couple of minutes then starts up again and the
program doing the copying just carries on. Recently this has been accompanied
with complete system freezes
lsusb -vv:
Bus 001 Device 004: ID 067b:2507 Prolific Technology, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x067b Prolific Technology, Inc.
idProduct 0x2507
bcdDevice 1.00
iManufacturer 1 Prolific Technology Inc.
iProduct 2 Mass Storage Device
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type none
wMaxPacketSize 512
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type none
wMaxPacketSize 512
bInterval 0
Language IDs: (length=4)
0409 English(US)
and relevant parts of dmesg (with usb-storage debugging):
Jan 26 17:46:08 [EMAIL PROTECTED] usb 1-2: new high speed USB device using
ehci_hcd and address 4
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: USB Mass Storage device detected
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: -- associate_dev
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: Vendor: 0x067b, Product: 0x2507,
Revision: 0x0100
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: Interface Subclass: 0x06,
Protocol: 0x50
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: Vendor: Prolific Technology
Inc., Product: Mass Storage Device
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: Transport: Bulk
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: Protocol: Transparent SCSI
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: usb_stor_control_msg: rq=fe
rqtype=a1 value=0000 index=00 len=1
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: GetMaxLUN command result is 1,
data is 0
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: *** thread sleeping.
Jan 26 17:46:08 [EMAIL PROTECTED] scsi0 : SCSI emulation for USB Mass Storage
devices
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: device found at 4
Jan 26 17:46:08 [EMAIL PROTECTED] usb-storage: waiting for device to settle
before scanning
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: queuecommand called
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: *** thread awakened.
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Command INQUIRY (6 bytes)
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: 12 00 00 00 24 00
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk Command S 0x43425355 T 0x1
L 36 F 128 Trg 0 LUN 0 CL 6
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
31 bytes
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Status code 0; transferred 31/31
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk command transfer result=0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
36 bytes
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Status code 0; transferred 36/36
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk data transfer result 0x0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Attempting to get CSW...
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
13 bytes
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Status code 0; transferred 13/13
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk status result = 0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk Status S 0x53425355 T 0x1 R
0 Stat 0x0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: scsi cmd done, result=0x0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: *** thread sleeping.
Jan 26 17:46:13 [EMAIL PROTECTED] Vendor: Maxtor 6 Model: B250R0
Rev: BAH4
Jan 26 17:46:13 [EMAIL PROTECTED] Type: Direct-Access
ANSI SCSI revision: 00
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: queuecommand called
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: *** thread awakened.
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Command TEST_UNIT_READY (6 bytes)
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: 00 00 00 00 00 00
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk Command S 0x43425355 T 0x2
L 0 F 0 Trg 0 LUN 0 CL 6
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
31 bytes
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Status code 0; transferred 31/31
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk command transfer result=0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Attempting to get CSW...
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
13 bytes
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Status code 0; transferred 13/13
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk status result = 0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk Status S 0x53425355 T 0x2 R
0 Stat 0x0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: scsi cmd done, result=0x0
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: *** thread sleeping.
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: queuecommand called
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: *** thread awakened.
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Command READ_CAPACITY (10 bytes)
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: 25 00 00 00 00 00 00 00 00 00
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Bulk Command S 0x43425355 T 0x3
L 8 F 128 Trg 0 LUN 0 CL 10
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
31 bytes
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: Status code 0; transferred 31/31
Jan 26 17:46:13 [EMAIL PROTECTED] usb-storage: -- transfer complete
...etc, several hundred lines...Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage:
Status code 0; transferred 31/31
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: Bulk command transfer result=0
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_sglist:
xfer 4096 bytes, 1 entries
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: Status code 0; transferred
4096/4096
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: -- transfer complete
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: Bulk data transfer result 0x0
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: Attempting to get CSW...
Jan 26 17:48:00 [EMAIL PROTECTED] usb-storage: usb_stor_bulk_transfer_buf: xfer
13 bytes
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: command_abort called
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: usb_stor_stop_transport called
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: -- cancelling URB
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: Status code -104; transferred
0/13
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: -- transfer cancelled
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: Bulk status result = 4
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: -- command was aborted
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: usb_stor_Bulk_reset called
Jan 26 17:48:30 [EMAIL PROTECTED] usb-storage: usb_stor_control_msg: rq=ff
rqtype=21 value=0000 index=00 len=0
this doesnt happen when its forced to usb1.1
any ideas? this is really causing problems...
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