USBIP: сервер виртуальных устройств Linux usbip останавливается на OP_REP_IMPORT, когда другие программы этого не делают ⇐ Linux

[Anonymous]

Я пытаюсь создать виртуальное устройство usbip (https://docs.kernel.org/usb/usbip_protocol.html), но застреваю в OP_REP_IMPORT.
Я пытаюсь отладить проблему с Wireshark, и мне удалось наблюдать, что и моя неполная программа, и известная рабочая программа (https://github.com/bulwarkid/virtual-fido.git) запускают TCP поток с точно такими же сообщениями, которые находятся здесь:
Запрос (из команды usbip):

Код: Выделить всё

00000000 01 11 80 03 00 00 00 00 ........
00000008 32 2d 32 00 00 00 00 00 00 00 00 00 00 00 00 00 2-2..... ........
00000018 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........

Ответ (от сервера виртуальных устройств USB):

Код: Выделить всё

00000000 01 11 00 03 00 00 00 00 2f 64 65 76 69 63 65 2f ........ /device/
00000010 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0....... ........
00000020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
000000A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
000000B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
000000C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
000000D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
000000E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
000000F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000100 00 00 00 00 00 00 00 00 32 2d 32 00 00 00 00 00 ........ 2-2.....
00000110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........
00000120 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 02 ........ ........
00000130 00 00 00 02 00 00 00 00 00 00 00 00 00 00 01 01 ........  ........

После этого TCP-поток известной рабочей программы продолжает работу с новыми сообщениями, но TCP моей программы на этом останавливается.
Примечание: я запустите соединение с моей программой с помощью: sudo usbip --debug --tcp-port 3000 Attach --remote=localhost -d 2-2
И я получу журнал :

Код: Выделить всё

usbip: debug: usbip_network.c:28:[usbip_setup_port_number] parsing port arg '3000'
usbip: info: using port 3000 ("3000")
usbip: debug: usbip.c:129:[run_command] running command: `attach'
libusbip: debug: vhci_driver.c:269:[usbip_vhci_driver_open] available ports: 16
libusbip: debug: vhci_driver.c:281:[usbip_vhci_driver_open] available controllers: 1
libusbip: debug: vhci_driver.c:128:[refresh_imported_device_list] controller 0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 0 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 1 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 2 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 3 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 4 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 5 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 6 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub hs port 7 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 8 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 9 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 10 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 11 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 12 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 13 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 14 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:67:[parse_status] hub ss port 15 status 4 speed 0 devid 0
libusbip: debug: vhci_driver.c:69:[parse_status] sockfd 0 lbusid 0-0
libusbip: debug: vhci_driver.c:104:[parse_status] exit
usbip: debug: usbip_attach.c:100:[import_device] got free port 0
libusbip: debug: vhci_driver.c:367:[usbip_vhci_attach_device2] writing: 0 3 131074 2
libusbip: debug: vhci_driver.c:372:[usbip_vhci_attach_device2] attach attribute path: /sys/devices/platform/vhci_hcd.0/attach
libusbip: debug: vhci_driver.c:380:[usbip_vhci_attach_device2] attached port: 0

С кодом успешного возврата.
Итак, что происходит, что останавливает работу моей программы, когда она делает то же самое, что и эта знаете рабочую программу?

Подробнее здесь: https://stackoverflow.com/questions/790 ... others-pro