I have also encountered this problem in natty 11.04 using a USB flash
reader. Relevant portion of lsusb -vv:
Bus 001 Device 017: ID 1976:4082 Chipsbrand Microelectronics (HK) Co., Ltd.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1976 Chipsbrand Microelectronics (HK) Co., Ltd.
idProduct 0x4082
bcdDevice 1.00
iManufacturer 1 ChipsBnk
iProduct 2 USB Reader
iSerial 3 110074973765
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus 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
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 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: 0x0000
(Bus Powered)
--------------------
My problem was "solved" by disabling autosuspend in the usbcore kernel module
aka..
sudo echo 'options usbcore autosuspend=-1' > /etc/modprobe.d/usbcore.conf
sudo dpkg-reconfigure linux-image
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https://bugs.launchpad.net/bugs/445912
Title:
[KARMIC] usb 3-1: device descriptor read/64, error 18
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