I have an USB-to-SATA cable with a samsung disk attached. When I plug it
in, the disk tries to attach as a uplcom0. mpi saw that this is due to a
re-used id and cooked the diff below with which it attaches as umass and
is properly usable. lsusb output below.
Index: sys/dev/usb/uplcom.c
===================================================================
RCS file: /var/cvs/src/sys/dev/usb/uplcom.c,v
retrieving revision 1.70
diff -u -p -r1.70 uplcom.c
--- sys/dev/usb/uplcom.c 30 Dec 2017 20:47:00 -0000 1.70
+++ sys/dev/usb/uplcom.c 26 Apr 2018 19:41:03 -0000
@@ -158,7 +158,6 @@ static const struct usb_devno uplcom_dev
{ USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_PL2303 },
{ USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 },
{ USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_SERIAL },
- { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_I330 },
{ USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_SX1 },
{ USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X65 },
{ USB_VENDOR_SIEMENS3, USB_PRODUCT_SIEMENS3_X75 },
Here's the output of lsusb -v -s 0:2
Bus 000 Device 002: ID 04e8:8001 Samsung Electronics Co., Ltd Handheld
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 9
idVendor 0x04e8 Samsung Electronics Co., Ltd
idProduct 0x8001 Handheld
bcdDevice 1.00
iManufacturer 2 Samsung
iProduct 3 Portable SSD T1
iSerial 1 1234567890AA12121235
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 121
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 224mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk-Only
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 0
bMaxBurst 15
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 0
bMaxBurst 15
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 1
bNumEndpoints 4
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 98
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 0
bMaxBurst 15
MaxStreams 32
Data-in pipe (0x03)
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 0
bMaxBurst 15
MaxStreams 32
Data-out pipe (0x04)
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 0
bMaxBurst 15
MaxStreams 32
Status pipe (0x02)
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 0
bMaxBurst 0
Command pipe (0x01)
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 22
bNumDeviceCaps 2
USB 2.0 Extension Device Capability:
bLength 7
bDescriptorType 16
bDevCapabilityType 2
bmAttributes 0x00000002
Link Power Management (LPM) Supported
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x00
wSpeedsSupported 0x000e
Device can operate at Full Speed (12Mbps)
Device can operate at High Speed (480Mbps)
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 1
Lowest fully-functional device speed is Full Speed (12Mbps)
bU1DevExitLat 10 micro seconds
bU2DevExitLat 2047 micro seconds
Device Status: 0x0000
(Bus Powered)
