[device.c:138] begin uvc_find_device [device.c:585] begin uvc_get_device_list [device.c:660/uvc_get_device_list] non-UVC: 0 [device.c:821] begin uvc_ref_device [device.c:826] end uvc_ref_device [device.c:658/uvc_get_device_list] UVC: 1 [device.c:660/uvc_get_device_list] non-UVC: 2 [device.c:660/uvc_get_device_list] non-UVC: 3 [device.c:821] begin uvc_ref_device [device.c:826] end uvc_ref_device [device.c:658/uvc_get_device_list] UVC: 4 [device.c:660/uvc_get_device_list] non-UVC: 5 [device.c:660/uvc_get_device_list] non-UVC: 6 [device.c:660/uvc_get_device_list] non-UVC: 7 [device.c:660/uvc_get_device_list] non-UVC: 8 [device.c:660/uvc_get_device_list] non-UVC: 9 [device.c:660/uvc_get_device_list] non-UVC: 10 [device.c:660/uvc_get_device_list] non-UVC: 11 [device.c:660/uvc_get_device_list] non-UVC: 12 [device.c:660/uvc_get_device_list] non-UVC: 13 [device.c:660/uvc_get_device_list] non-UVC: 14 [device.c:660/uvc_get_device_list] non-UVC: 15 [device.c:660/uvc_get_device_list] non-UVC: 16 [device.c:660/uvc_get_device_list] non-UVC: 17 [device.c:660/uvc_get_device_list] non-UVC: 18 [device.c:668] end uvc_get_device_list (0) [device.c:481] begin uvc_get_device_descriptor [device.c:523] end uvc_get_device_descriptor (0) [device.c:535] begin uvc_free_device_descriptor [device.c:548] end uvc_free_device_descriptor [device.c:821] begin uvc_ref_device [device.c:826] end uvc_ref_device [device.c:684] begin uvc_free_device_list [device.c:837] begin uvc_unref_device [device.c:845] end uvc_unref_device [device.c:837] begin uvc_unref_device [device.c:845] end uvc_unref_device [device.c:694] end uvc_free_device_list [device.c:171] end uvc_find_device (0) [device.c:281] begin uvc_open [device.c:284/uvc_open] libusb_open() = 0 [device.c:821] begin uvc_ref_device [device.c:826] end uvc_ref_device [device.c:374] begin uvc_get_device_info [device.c:938] begin uvc_scan_control [device.c:481] begin uvc_get_device_descriptor [device.c:523] end uvc_get_device_descriptor (0) [device.c:535] begin uvc_free_device_descriptor [device.c:548] end uvc_free_device_descriptor [device.c:1159] begin uvc_parse_vc [device.c:1004] begin uvc_parse_vc_header [device.c:1207] begin uvc_scan_streaming [device.c:1458] begin uvc_parse_vs [device.c:1244] begin uvc_parse_vs_input_header [device.c:1249] end uvc_parse_vs_input_header (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1260] begin uvc_parse_vs_format_uncompressed [device.c:1279] end uvc_parse_vs_format_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1490/uvc_parse_vs] unsupported descriptor subtype VS_COLORFORMAT [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1320] begin uvc_parse_vs_format_mjpeg [device.c:1338] end uvc_parse_vs_format_mjpeg (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1490/uvc_parse_vs] unsupported descriptor subtype VS_COLORFORMAT [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1260] begin uvc_parse_vs_format_uncompressed [device.c:1279] end uvc_parse_vs_format_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1407] begin uvc_parse_vs_frame_uncompressed [device.c:1442] end uvc_parse_vs_frame_uncompressed (0) [device.c:1507] end uvc_parse_vs (0) [device.c:1458] begin uvc_parse_vs [device.c:1490/uvc_parse_vs] unsupported descriptor subtype VS_COLORFORMAT [device.c:1507] end uvc_parse_vs (0) [device.c:1233] end uvc_scan_streaming (0) [device.c:1034] end uvc_parse_vc_header (0) [device.c:1190] end uvc_parse_vc (0) [device.c:1159] begin uvc_parse_vc [device.c:1190] end uvc_parse_vc (0) [device.c:1159] begin uvc_parse_vc [device.c:1130] begin uvc_parse_vc_extension_unit [device.c:1144] end uvc_parse_vc_extension_unit (0) [device.c:1190] end uvc_parse_vc (0) [device.c:1159] begin uvc_parse_vc [device.c:1130] begin uvc_parse_vc_extension_unit [device.c:1144] end uvc_parse_vc_extension_unit (0) [device.c:1190] end uvc_parse_vc (0) [device.c:1159] begin uvc_parse_vc [device.c:1130] begin uvc_parse_vc_extension_unit [device.c:1144] end uvc_parse_vc_extension_unit (0) [device.c:1190] end uvc_parse_vc (0) [device.c:1159] begin uvc_parse_vc [device.c:1048] begin uvc_parse_vc_input_terminal [device.c:1069] end uvc_parse_vc_input_terminal (0) [device.c:1190] end uvc_parse_vc (0) [device.c:1159] begin uvc_parse_vc [device.c:1083] begin uvc_parse_vc_processing_unit [device.c:1094] end uvc_parse_vc_processing_unit (0) [device.c:1190] end uvc_parse_vc (0) [device.c:990] end uvc_scan_control (0) [device.c:399] end uvc_get_device_info (0) [device.c:302/uvc_open] claiming control interface 0 [device.c:858] begin uvc_claim_if [device.c:871/uvc_claim_if] claiming interface 0 [device.c:880] end uvc_claim_if (0) [device.c:326/uvc_open] libusb_submit_transfer() = 0 [device.c:343] end uvc_open (0) Device serial number: 000019492412 Device version: Rel; C: 1.6.98; D: 1.6.70[6109.7]; A: 1.6.14 [stream.c:386/uvc_get_stream_ctrl_format_size] claiming streaming interface 1 [device.c:858] begin uvc_claim_if [device.c:871/uvc_claim_if] claiming interface 1 [device.c:880] end uvc_claim_if (0) [stream.c:807] begin uvc_stream_open_ctrl [device.c:858] begin uvc_claim_if [device.c:861/uvc_claim_if] attempt to claim already-claimed interface 1 [device.c:862] end uvc_claim_if (0) [stream.c:853] end uvc_stream_open_ctrl (0) [stream.c:892] begin uvc_stream_start [stream.c:1000/uvc_stream_start] libusb_set_interface_alt_setting failed [stream.c:1064] end uvc_stream_start (-99) [device.c:894] begin uvc_release_if [device.c:895/uvc_release_if] releasing interface 1 [device.c:923] end uvc_release_if (0) [2019-07-15 13:38:36.101] [error] [t=16734] ../src/color/uvc_camerareader.cpp (153): Start(). Failed to start streaming: Unknown error [2019-07-15 13:38:36.101] [error] [t=16734] ../src/color/color.cpp (194): color->m_spCameraReader->Start(width, height, fps, config->color_format, &color_capture_available, color) returned failure in color_start() [2019-07-15 13:38:36.101] [error] [t=16734] ../src/sdk/k4a.c (763): color_start(device->color, config) returned failure in k4a_device_start_cameras() Runtime error: k4a_device_start_cameras(device, device_config) returned 1 [device.c:1538] begin uvc_close [device.c:894] begin uvc_release_if [device.c:895/uvc_release_if] releasing interface 0 [device.c:1721] begin _uvc_status_callback [device.c:1699] begin uvc_process_status_xfer [device.c:1714] end uvc_process_status_xfer [device.c:914/uvc_release_if] reattached kernel driver to interface 0 [device.c:923] end uvc_release_if (0) [device.c:1746/_uvc_status_callback] libusb_submit_transfer() = -1 [device.c:1748] end _uvc_status_callback [device.c:837] begin uvc_unref_device [device.c:845] end uvc_unref_device [device.c:1516] begin uvc_free_devh [device.c:419] begin uvc_free_device_info [device.c:459] end uvc_free_device_info [device.c:1526] end uvc_free_devh [device.c:1564] end uvc_close [device.c:837] begin uvc_unref_device [device.c:845] end uvc_unref_device