this is the log with level 4 verbosity :
[timestamp] [threadID] facility level [function call] <message>
--------------------------------------------------------------------------------
[ 0.068004] [00000dfc] libusbx: debug [libusb_get_device_list]
[ 0.072004] [000023cc] libusbx: debug [windows_clock_gettime_threaded]
hires timer available (Frequency: 2857441 Hz)
[ 0.074004] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [136]
[ 0.074004] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [254]
[ 0.074004] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [35C]
[ 0.074004] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [3A2]
[ 0.075004] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [AD]
[ 0.075004] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [1B8]
[ 0.087005] [00000dfc] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.087005] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.087005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [77]
[ 0.087005] [00000dfc] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.088005] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.088005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [268]
[ 0.088005] [00000dfc] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.088005] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.088005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [2B8]
[ 0.089005] [00000dfc] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.089005] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.089005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [1BD]
[ 0.090005] [00000dfc] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.090005] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.090005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [2A]
[ 0.090005] [00000dfc] libusbx: debug [get_api_type] driver(s): usbhub
[ 0.091005] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HUB API API
[ 0.091005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [228]
[ 0.093005] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [77] (0.0)
[ 0.093005] [00000dfc] libusbx: debug [init_device] (bus: 3, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB#4&17C486D&0'
[ 0.094005] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [268] (0.0)
[ 0.094005] [00000dfc] libusbx: debug [init_device] (bus: 5, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB#4&2821A223&0'
[ 0.094005] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [2B8] (0.0)
[ 0.094005] [00000dfc] libusbx: debug [init_device] (bus: 2, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB#4&3644110B&0'
[ 0.095005] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [1BD] (0.0)
[ 0.095005] [00000dfc] libusbx: debug [init_device] (bus: 4, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB#4&F9EB755&0'
[ 0.095005] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [2A] (0.0)
[ 0.095005] [00000dfc] libusbx: debug [init_device] (bus: 1, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB20#2&2BC00B&1'
[ 0.096005] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [228] (0.0)
[ 0.096005] [00000dfc] libusbx: debug [init_device] (bus: 6, addr: 1,
depth: 0, port: 0): '\\.\USB#ROOT_HUB20#4&F44A198&0'
[ 0.096005] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [72]
[ 0.096005] [00000dfc] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.109006] [00000dfc] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 34 bytes)
[ 0.109006] [00000dfc] libusbx: debug [init_device] (bus: 4, addr: 2,
depth: 1, port: 1): '\\.\USB#VID_0461&PID_4D81#5&29792A7&0&1'
[ 0.110006] [00000dfc] libusbx: debug [windows_get_device_list] extra
GUID: {80C98E21-B9CF-4BB5-B597-A17BFB2C1525}
[ 0.110006] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [9C]
[ 0.110006] [00000dfc] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.111006] [00000dfc] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 39 bytes)
[ 0.111006] [00000dfc] libusbx: debug [init_device] (bus: 6, addr: 3,
depth: 1, port: 7): '\\.\USB#VID_0525&PID_A4A0#1_00000000'
[ 0.111006] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [C3]
[ 0.111006] [00000dfc] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.137008] [00000dfc] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 693 bytes)
[ 0.137008] [00000dfc] libusbx: debug [init_device] (bus: 6, addr: 2,
depth: 1, port: 4): '\\.\USB#VID_093A&PID_2700#5&165678CE&0&4'
[ 0.137008] [00000dfc] libusbx: debug [discovered_devs_append] need to
increase capacity
[ 0.138008] [00000dfc] libusbx: debug [windows_get_device_list]
allocating new device for session [36B]
[ 0.138008] [00000dfc] libusbx: debug [init_device] found 1
configurations (active conf: 1)
[ 0.151008] [00000dfc] libusbx: debug [cache_config_descriptors]
cached config descriptor 0 (bConfigurationValue=1, 34 bytes)
[ 0.151008] [00000dfc] libusbx: debug [init_device] (bus: 4, addr: 3,
depth: 1, port: 2): '\\.\USB#VID_413C&PID_2106#5&29792A7&0&2'
[ 0.154009] [00000dfc] libusbx: debug [get_api_type] driver(s): HidUsb
[ 0.154009] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HID API API
[ 0.154009] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [72] (4.2)
[ 0.155009] [00000dfc] libusbx: debug [get_api_type] driver(s): WinUSB
[ 0.155009] [00000dfc] libusbx: debug [get_api_type] matched driver
name against WinUSB API
[ 0.155009] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [9C] (6.3)
[ 0.155009] [00000dfc] libusbx: debug [get_api_type] driver(s): usbccgp
[ 0.156009] [00000dfc] libusbx: debug [get_api_type] matched driver
name against Composite API API
[ 0.156009] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [C3] (6.2)
[ 0.156009] [00000dfc] libusbx: debug [get_api_type] driver(s): HidUsb
[ 0.156009] [00000dfc] libusbx: debug [get_api_type] matched driver
name against HID API API
[ 0.156009] [00000dfc] libusbx: debug [windows_get_device_list] found
existing device for session [36B] (4.3)
[ 0.158009] [00000dfc] libusbx: debug [windows_get_device_list]
setting HID interface for [72]:
[ 0.158009] [00000dfc] libusbx: debug [set_hid_interface] interface[0]
=
\\.\HID#VID_0461&PID_4D81#6&F9AFD2A&0&0000#{4D1E55B2-F16F-11CF-88CB-001111000030}
[ 0.158009] [00000dfc] libusbx: debug [windows_get_device_list]
setting HID interface for [36B]:
[ 0.158009] [00000dfc] libusbx: debug [set_hid_interface] interface[0]
=
\\.\HID#VID_413C&PID_2106#6&1E7B4CE8&0&0000#{4D1E55B2-F16F-11CF-88CB-001111000030}
[ 0.159009] [00000dfc] libusbx: debug [get_api_type] driver(s): WinUSB
[ 0.159009] [00000dfc] libusbx: debug [get_api_type] matched driver
name against WinUSB API
[ 0.159009] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 1.0
[ 0.160009] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 2.0
[ 0.160009] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 3.0
[ 0.160009] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 4.0
[ 0.160009] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 5.0
[ 0.162009] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 6.0
[ 0.165009] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
8086:27c9 (bus 3, device 1)
[ 0.169009] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
8086:27cb (bus 5, device 1)
[ 0.173010] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
8086:27c8 (bus 2, device 1)
[ 0.177010] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
8086:27ca (bus 4, device 1)
[ 0.181010] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
1414:0004 (bus 1, device 1)
[ 0.185010] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
8086:27cc (bus 6, device 1)
[ 0.190011] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
0461:4d81 (bus 4, device 2)
[ 0.194011] [00000dfc] libusbx: debug [libusb_get_device_descriptor]
0525:a4a0 (bus 6, device 3)
[ 0.198011] [00000dfc] libusbx: debug [libusb_open] open 6.3
[ 1.201068] [00000dfc] libusbx: debug [libusb_close]
[ 2.201126] [00000dfc] libusbx: debug [libusb_open] open 6.3
[ 2.201126] [00000dfc] libusbx: error [winusbx_open] could not open
device
\\.\USB#VID_0525&PID_A4A0#1_00000000#{A5DCBF10-6530-11D2-901F-00C04FB951ED}
(interface 0): [5] AccÞs refusÚ.
[ 2.202126] [00000dfc] libusbx: debug [libusb_open] could not open
device: LIBUSB_ERROR_ACCESS
[ 3.204183] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 3.1
[ 3.204183] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 5.1
[ 3.206183] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 2.1
[ 3.208183] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 4.1
[ 3.210183] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 1.1
[ 3.212184] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 6.1
[ 3.214184] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 4.2
[ 3.216184] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 6.3
[ 3.218184] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 6.2
[ 3.220184] [00000dfc] libusbx: debug [libusb_unref_device] destroy device 4.3
[ 3.222184] [00000dfc] libusbx: debug [libusb_exit]
[ 3.224184] [00000dfc] libusbx: debug [libusb_exit] destroying default context
Thanks for your help.
Mohamed
On Wed, Jan 2, 2013 at 9:45 AM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> On Wed, Jan 2, 2013 at 4:27 PM, Mohamed HAMZAOUI <requin...@gmail.com> wrote:
>> Hi,
>> I use libusb1.0.14/WinUSB (v6.1.7600.16385)
>> This is a simple program which can reproduce the problem (output is in
>> the last) :
>
> Thanks. I can try this program by myself later to see if I can
> reproduce the issue.
>
>> libusb_set_debug(context, 3);
>
> Could you change 3 to 4 and then post the debug log?
>
>
>
> --
> Xiaofan
>
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