Same trouble... Kubuntu 7.10, external USB HDD 100 Gb 2.5' (HDD get power
supply only from USB).
Often after copy (move) some files from FAT32 partition to internal HDD I got
100% CPU load, freeze of moving files, dmesg show me messages like:
[16007.028000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16037.756000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16068.000000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16098.244000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16128.488000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16158.732000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16188.976000] usb 1-4: reset high speed USB device using ehci_hcd and address 3
[16189.108000] sd 6:0:0:0: [sdc] Result: hostbyte=DID_ABORT
driverbyte=DRIVER_OK,SUGGEST_OK
lsusb -v said about device that it:
Bus 001 Device 004: ID 04cf:8818 Myson Century, Inc. Fast 3.5" External Storage
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x04cf Myson Century, Inc.
idProduct 0x8818 Fast 3.5" External Storage
bcdDevice b0.08
iManufacturer 1 Myson Century, Inc.
iProduct 2 USB Mass Storage Device
iSerial 3 100
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 4 USB Mass Storage
bmAttributes 0xc0
Self Powered
MaxPower 10mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 5 SFF-8070i
bInterfaceProtocol 80
iInterface 5 Mass Storage Class
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
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Mass Storage USB device error
https://bugs.launchpad.net/bugs/179250
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