Somehow I got a strange warning under Windows 8 x64. The device
is a USB composite device (Amontec JTAGkey-2), both interface
use the WinUSB driver installed using Zadig. Not so sure if this
has something to do with the fact this is a virtual machine (using
VirtualBox under Mac OS X).
Mcuee@Win8X64VM /c/work/libusbx/libusbx
$ ./examples/xusb.exe 0403:cff8
Using libusbx v1.0.15.10641
Opening device 0403:CFF8...
libusbx: error [init_device] device '\\.\USB#VID_0403&PID_CFF8&MI_01#6&222886B8&
0&0001' is no longer connected!
Reading device descriptor:
length: 18
device class: 0
S/N: 3
VID:PID: 0403:CFF8
bcdDevice: 0700
iMan:iProd:iSer: 1:2:3
nb confs: 1
Reading configuration descriptors:
nb interfaces: 2
interface[0]: id = 0
interface[0].altsetting[0]: num endpoints = 2
Class.SubClass.Protocol: FF.FF.FF
endpoint[0].address: 81
max packet size: 0200
polling interval: 00
endpoint[1].address: 02
max packet size: 0200
polling interval: 00
interface[1]: id = 1
interface[1].altsetting[0]: num endpoints = 2
Class.SubClass.Protocol: FF.FF.FF
endpoint[0].address: 83
max packet size: 0200
polling interval: 00
endpoint[1].address: 04
max packet size: 0200
polling interval: 00
Claiming interface 0...
Claiming interface 1...
Reading string descriptors:
String (0x01): "Amontec"
String (0x02): "Amontec JTAGkey-2"
String (0x03): "53T9XDR4"
Releasing interface 0...
Releasing interface 1...
Closing device...
Debug Log:
[timestamp] [threadID] facility level [function call] <message>
--------------------------------------------------------------------------------
[ 0.003698] [000013ec] libusbx: debug [libusb_get_device_list]
[ 0.003698] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [2D9]
[ 0.003698] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [5A]
[ 0.004693] [000013ec] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.004693] [000013ec] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.004693] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [145]
[ 0.004693] [000013ec] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.004693] [000013ec] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.004693] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [261]
[ 0.004693] [000013ec] libusbx: debug [windows_get_device_list] extra
GUID: {05A667E4-4DFF-459E-BDA9-C44B063D81B9}
[ 0.004693] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [36A]
[ 0.004693] [000013ec] libusbx: debug [init_device] got bus number
from ancestor #3
[ 0.004693] [000013ec] libusbx: error [init_device] device
'\\.\USB#VID_0403&PID_CFF8&MI_01#6&222886B8&0&0001' is no longer
connected!
[ 0.004693] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [329]
[ 0.004693] [000013ec] libusbx: debug [init_device] got bus number
from ancestor #2
[ 0.005653] [000013ec] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.005653] [000013f0] libusbx: debug [windows_clock_gettime_threaded]
hires timer available (Frequency: 2255622 Hz)
[ 0.026156] [000013ec] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 34 bytes)
[ 0.026156] [000013ec] libusbx: debug [init_device] (bus: 1, addr: 2,
depth: 1, port: 1): '\\.\USB#VID_80EE&PID_0021#5&35F564D4&0&1'
[ 0.026156] [000013ec] libusbx: debug [windows_get_device_list] found
existing device for session [145] (1.0)
[ 0.026156] [000013ec] libusbx: debug [init_device] (bus: 1, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB#4&159A73F4&0'
[ 0.026156] [000013ec] libusbx: debug [windows_get_device_list] found
existing device for session [261] (2.0)
[ 0.026156] [000013ec] libusbx: debug [init_device] (bus: 2, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB20#4&3749A296&0'
[ 0.026156] [000013ec] libusbx: debug [windows_get_device_list] extra
GUID: {44A00D7B-FC9E-49BB-9312-7D75DBD0387E}
[ 0.026156] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [14B]
[ 0.026156] [000013ec] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.029086] [000013ec] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 39 bytes)
[ 0.029086] [000013ec] libusbx: debug [init_device] (bus: 1, addr: 3,
depth: 1, port: 2): '\\.\USB#VID_0483&PID_3748#5&35F564D4&0&2'
[ 0.029086] [000013ec] libusbx: debug [windows_get_device_list]
allocating new device for session [2A1]
[ 0.029086] [000013ec] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.048687] [000013ec] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 55 bytes)
[ 0.048687] [000013ec] libusbx: debug [init_device] (bus: 2, addr: 2,
depth: 1, port: 1): '\\.\USB#VID_0403&PID_CFF8#53T9XDR4'
[ 0.048687] [000013ec] libusbx: debug [windows_get_device_list] extra
GUID: {600D37EB-4CBE-4A7A-A950-E57D093D1901}
[ 0.049847] [000013ec] libusbx: debug [get_api_type] driver(s): usbccgp
[ 0.049847] [000013ec] libusbx: debug [get_api_type] matched driver
name against Composite API API
[ 0.049847] [000013ec] libusbx: debug [windows_get_device_list] found
existing device for session [2A1] (2.2)
[ 0.049847] [000013ec] libusbx: debug [get_api_type] driver(s): WinUSB
[ 0.049847] [000013ec] libusbx: debug [get_api_type] matched driver
name against WinUSB API
[ 0.049847] [000013ec] libusbx: debug [windows_get_device_list] found
existing device for session [14B] (1.3)
[ 0.049847] [000013ec] libusbx: debug [get_api_type] driver(s): HidUsb
[ 0.049847] [000013ec] libusbx: debug [get_api_type] matched driver
name against HID API API
[ 0.049847] [000013ec] libusbx: debug [windows_get_device_list] found
existing device for session [329] (1.2)
[ 0.049847] [000013ec] libusbx: debug [windows_get_device_list]
setting HID interface for [329]:
[ 0.049847] [000013ec] libusbx: debug [set_hid_interface] interface[0]
=
\\.\HID#VID_80EE&PID_0021#6&A8E1584&0&0000#{4D1E55B2-F16F-11CF-88CB-001111000030}
[ 0.050581] [000013ec] libusbx: debug [get_api_type] driver(s): WinUSB
[ 0.050581] [000013ec] libusbx: debug [get_api_type] matched driver
name against WinUSB API
[ 0.050581] [000013ec] libusbx: debug [windows_get_device_list]
setting composite interface for [2A1]:
[ 0.050581] [000013ec] libusbx: debug [set_composite_interface]
interface[1] =
\\.\USB#VID_0403&PID_CFF8&MI_01#6&222886B8&0&0001#{05A667E4-4DFF-459E-BDA9-C44B063D81B9}
[ 0.050581] [000013ec] libusbx: debug [get_api_type] driver(s): WinUSB
[ 0.050581] [000013ec] libusbx: debug [get_api_type] matched driver
name against WinUSB API
[ 0.050581] [000013ec] libusbx: debug [get_api_type] driver(s): WinUSB
[ 0.050581] [000013ec] libusbx: debug [get_api_type] matched driver
name against WinUSB API
[ 0.050581] [000013ec] libusbx: debug [windows_get_device_list]
setting composite interface for [2A1]:
[ 0.050581] [000013ec] libusbx: debug [set_composite_interface]
interface[0] =
\\.\USB#VID_0403&PID_CFF8&MI_00#6&222886B8&0&0000#{600D37EB-4CBE-4A7A-A950-E57D093D1901}
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 1.0
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 2.0
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 2.0
[ 0.050581] [000013ec] libusbx: debug [libusb_get_device_descriptor]
[ 0.050581] [000013ec] libusbx: debug [libusb_get_device_descriptor]
[ 0.050581] [000013ec] libusbx: debug [libusb_get_device_descriptor]
[ 0.050581] [000013ec] libusbx: debug [libusb_get_device_descriptor]
[ 0.050581] [000013ec] libusbx: debug [libusb_get_device_descriptor]
[ 0.050581] [000013ec] libusbx: debug [libusb_open] open 2.2
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 1.2
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 1.1
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 2.1
[ 0.050581] [000013ec] libusbx: debug [libusb_unref_device] destroy device 1.3
[ 0.050581] [000013ec] libusbx: debug [libusb_get_device_descriptor]
[ 0.050581] [000013ec] libusbx: debug [libusb_get_config_descriptor] index 0
[ 0.050581] [000013ec] libusbx: debug [libusb_claim_interface] interface 0
[ 0.051560] [000013ec] libusbx: debug [winusbx_claim_interface]
claimed interface 0
[ 0.051560] [000013ec] libusbx: debug [libusb_get_config_descriptor] index 0
[ 0.051560] [000013ec] libusbx: debug [windows_assign_endpoints]
(re)assigned endpoint 81 to interface 0
[ 0.051560] [000013ec] libusbx: debug [windows_assign_endpoints]
(re)assigned endpoint 02 to interface 0
[ 0.051560] [000013ec] libusbx: debug [libusb_claim_interface] interface 1
[ 0.051560] [000013ec] libusbx: debug [winusbx_claim_interface]
claimed interface 1
[ 0.051560] [000013ec] libusbx: debug [libusb_get_config_descriptor] index 0
[ 0.051560] [000013ec] libusbx: debug [windows_assign_endpoints]
(re)assigned endpoint 83 to interface 1
[ 0.051560] [000013ec] libusbx: debug [windows_assign_endpoints]
(re)assigned endpoint 04 to interface 1
[ 0.051560] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.051560] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.051560] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.051560] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.051560] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.051560] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.053503] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.053503] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.053503] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.053503] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.053503] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 4
[ 0.053503] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 00000000008076F0 has
callback 000000006B6057F0
[ 0.053503] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=4
[ 0.053503] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.053503] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.053503] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.053503] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.053503] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.053503] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.056436] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.056436] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.056436] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.056436] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.056436] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 16
[ 0.056436] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.056436] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=16
[ 0.056436] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.056436] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.056436] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.056436] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.056436] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.056436] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.058478] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.058478] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.058478] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.058478] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.058478] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 4
[ 0.058478] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.058478] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=4
[ 0.058478] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.058478] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.058478] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.058478] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.058478] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.058478] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.063346] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.063346] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.063346] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.063346] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.063346] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 36
[ 0.063346] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.063346] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=36
[ 0.063346] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.063346] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.063346] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.063346] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.063346] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.063346] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.065356] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.065356] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.065356] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.065356] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.065356] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 4
[ 0.065356] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.065356] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=4
[ 0.065356] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.065356] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.065356] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.065356] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.065356] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.065356] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.069286] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.069286] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.069286] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.069286] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.069286] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 18
[ 0.069286] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.069286] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=18
[ 0.069286] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.069286] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.069286] [000013ec] libusbx: debug [usbi_add_pollfd] add fd 1 events 1
[ 0.069286] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 1.000000s
[ 0.069286] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.069286] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.071230] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.071230] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.071230] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.071230] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.071230] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 0, size 4
[ 0.071230] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.071230] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=4
[ 0.071230] [000013ec] libusbx: debug
[composite_submit_control_transfer] using interface 0
[ 0.071230] [000013ec] libusbx: debug
[winusbx_submit_control_transfer] will use interface 0
[ 0.071230] [000013ec] libusbx: debug [usbi_add_pollfd] add fUsing
libusbx v1.0.15.10641
Opening device 0403:CFF8...
Reading device descriptor:
length: 18
device class: 0
S/N: 3
VID:PID: 0403:CFF8
bcdDevice: 0700
iMan:iProd:iSer: 1:2:3
nb confs: 1
Reading configuration descriptors:
nb interfaces: 2
interface[0]: id = 0
interface[0].altsetting[0]: num endpoints = 2
Class.SubClass.Protocol: FF.FF.FF
endpoint[0].address: 81
max packet size: 0200
polling interval: 00
endpoint[1].address: 02
max packet size: 0200
polling interval: 00
interface[1]: id = 1
interface[1].altsetting[0]: num endpoints = 2
Class.SubClass.Protocol: FF.FF.FF
endpoint[0].address: 83
max packet size: 0200
polling interval: 00
endpoint[1].address: 04
max packet size: 0200
polling interval: 00
Claiming interface 0...
Claiming interface 1...
Reading string descriptors:
String (0x01): "Amontec"
String (0x02): "Amontec JTAGkey-2"
String (0x03): "53T9XDR4"
Releasing interface 0...
Releasing interface 1...
Closing device...
d 1 events 1
[ 0.071230] [000013ec] libusbx: debug [libusb_get_next_timeout] next
timeout in 0.999557s
[ 0.071230] [000013ec] libusbx: debug
[libusb_handle_events_timeout_completed] doing our own event handling
[ 0.071230] [000013ec] libusbx: debug [handle_events] poll() 2 fds
with timeout in 1000ms
[ 0.073137] [000013ec] libusbx: debug [handle_events] poll() returned 1
[ 0.073137] [000013ec] libusbx: debug [windows_handle_events] checking
fd 0 with revents = 0000
[ 0.073137] [000013ec] libusbx: debug [windows_handle_events] checking
fd 1 with revents = 0001
[ 0.073137] [000013ec] libusbx: debug [usbi_remove_pollfd] remove fd 1
[ 0.073137] [000013ec] libusbx: debug [windows_transfer_callback]
handling I/O completion with errcode 31, size 0
[ 0.073137] [000013ec] libusbx: debug [windows_transfer_callback]
detected endpoint stall
[ 0.073137] [000013ec] libusbx: debug
[usbi_handle_transfer_completion] transfer 000000000080E390 has
callback 000000006B6057F0
[ 0.073137] [000013ec] libusbx: debug [ctrl_transfer_cb] actual_length=0
[ 0.073137] [000013ec] libusbx: debug [libusb_release_interface] interface 0
[ 0.073137] [000013ec] libusbx: debug [libusb_release_interface] interface 1
[ 0.073137] [000013ec] libusbx: debug [libusb_close]
[ 0.073137] [000013ec] libusbx: debug [libusb_unref_device] destroy device 2.2
[ 0.073137] [000013ec] libusbx: debug [libusb_exit]
[ 0.073137] [000013ec] libusbx: debug [libusb_exit] destroying default context
--
Xiaofan
------------------------------------------------------------------------------
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