Same here (Ubuntu Lucid). Sometimes detected properly, sometimes not, and loops all the time with the "deferring support check".
$> sudo lsusb -v
Bus 001 Device 007: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x12d1 Huawei Technologies Co., Ltd. idProduct 0x1003 E220 HSDPA Modem / E270 HSDPA/HSUPA Modem bcdDevice 0.00 iManufacturer 2 HUAWEI Technology iProduct 1 HUAWEI Mobile iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 108 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 3 Qualcomm Configuration bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 500mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 3 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 255 Vendor Specific Subclass bInterfaceProtocol 255 Vendor Specific Protocol iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 5 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 32 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 32 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 255 Vendor Specific Subclass bInterfaceProtocol 255 Vendor Specific Protocol iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 32 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk (Zip) iInterface 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 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk (Zip) iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 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 0x85 EP 5 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
Same here (Ubuntu Lucid). Sometimes detected properly, sometimes not, and loops all the time with the "deferring support check".
$> sudo lsusb -v
Bus 001 Device 007: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem tions 1 ionValue 1 orType 4 eNumber 0 eSetting 0 eClass 255 Vendor Specific Class eSubClass 255 Vendor Specific Subclass eProtocol 255 Vendor Specific Protocol
bDescriptorTyp e 5
bEndpointAddre ss 0x81 EP 1 IN
bmAttributes 3
wMaxPacketSize 0x0040 1x 64 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x82 EP 2 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x01 EP 1 OUT
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes orType 4 eNumber 1 eSetting 0 eClass 255 Vendor Specific Class eSubClass 255 Vendor Specific Subclass eProtocol 255 Vendor Specific Protocol
bDescriptorTyp e 5
bEndpointAddre ss 0x83 EP 3 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x02 EP 2 OUT
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes orType 4 eNumber 2 eSetting 0 eClass 8 Mass Storage eSubClass 6 SCSI eProtocol 80 Bulk (Zip)
bDescriptorTyp e 5
bEndpointAddre ss 0x84 EP 4 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x03 EP 3 OUT
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes orType 4 eNumber 3 eSetting 0 eClass 8 Mass Storage eSubClass 6 SCSI eProtocol 80 Bulk (Zip)
bDescriptorTyp e 5
bEndpointAddre ss 0x04 EP 4 OUT
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x85 EP 5 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes tions 1
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x12d1 Huawei Technologies Co., Ltd.
idProduct 0x1003 E220 HSDPA Modem / E270 HSDPA/HSUPA Modem
bcdDevice 0.00
iManufacturer 2 HUAWEI Technology
iProduct 1 HUAWEI Mobile
iSerial 0
bNumConfigura
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 108
bNumInterfaces 4
bConfigurat
iConfiguration 3 Qualcomm Configuration
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescript
bInterfac
bAlternat
bNumEndpoints 3
bInterfac
bInterfac
bInterfac
iInterface 0
Endpoint Descriptor:
bLength 7
Transfer Type Interrupt
Synch Type None
Usage Type Data
bInterval 5
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 32
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 32
Interface Descriptor:
bLength 9
bDescript
bInterfac
bAlternat
bNumEndpoints 2
bInterfac
bInterfac
bInterfac
iInterface 0
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 32
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 32
Interface Descriptor:
bLength 9
bDescript
bInterfac
bAlternat
bNumEndpoints 2
bInterfac
bInterfac
bInterfac
iInterface 0
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 0
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 0
Interface Descriptor:
bLength 9
bDescript
bInterfac
bAlternat
bNumEndpoints 2
bInterfac
bInterfac
bInterfac
iInterface 0
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 0
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
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
bNumConfigura
Device Status: 0x0001
Self Powered