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[linux-uvc-devel] USB Cam 1d6c:0103
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From: Rainer D. <ml...@bo...> - 2021-02-24 22:37:41
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Hi, I have a new USB cam showing the issues below. I added all the reports shown in http://www.ideasonboard.org/uvc/faq/ if anything is missing, please let me know. Any hint or idea on how to make the camera reliably work is very welcome. Thanks Rainer dmesg entries: [269095.515439] usb 1-8: new high-speed USB device number 7 using xhci_hcd [269095.665098] usb 1-8: New USB device found, idVendor=1d6c, idProduct=0103, bcdDevice= 0.10 [269095.665100] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [269095.665100] usb 1-8: Product: webcam [269095.665101] usb 1-8: Manufacturer: webcam [269095.665101] usb 1-8: SerialNumber: V011R007C001B005 [269095.666244] uvcvideo: Found UVC 1.00 device webcam (1d6c:0103) [269095.668093] uvcvideo: Failed to query (129) UVC probe control : -32 (exp. 26). [269095.668124] uvcvideo: Failed to initialize the device (-5). [269100.955724] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269106.080015] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269111.196308] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269112.058185] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269112.565290] usb 1-8: USB disconnect, device number 7 [269112.565575] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 echo 0xffff > /sys/module/uvcvideo/parameters/trace [269095.515439] usb 1-8: new high-speed USB device number 7 using xhci_hcd [269095.665098] usb 1-8: New USB device found, idVendor=1d6c, idProduct=0103, bcdDevice= 0.10 [269095.665100] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [269095.665100] usb 1-8: Product: webcam [269095.665101] usb 1-8: Manufacturer: webcam [269095.665101] usb 1-8: SerialNumber: V011R007C001B005 [269095.666244] uvcvideo: Found UVC 1.00 device webcam (1d6c:0103) [269095.668093] uvcvideo: Failed to query (129) UVC probe control : -32 (exp. 26). [269095.668124] uvcvideo: Failed to initialize the device (-5). [269100.955724] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269106.080015] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269111.196308] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269112.058185] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269112.565290] usb 1-8: USB disconnect, device number 7 [269112.565575] usb 1-8: 3:1: cannot set freq 48000 to ep 0x89 [269178.403619] usb 1-8: new high-speed USB device number 8 using xhci_hcd [269178.557378] usb 1-8: New USB device found, idVendor=1d6c, idProduct=0103, bcdDevice= 0.10 [269178.557384] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [269178.557388] usb 1-8: Product: webcam [269178.557391] usb 1-8: Manufacturer: webcam [269178.557394] usb 1-8: SerialNumber: V011R007C001B005 [269178.558843] uvcvideo: Probing generic UVC device 8 [269178.559055] uvcvideo: Found format MJPEG. [269178.559061] uvcvideo: - 1920x1080 (30.0 fps) [269178.559064] uvcvideo: - 2560x1440 (30.0 fps) [269178.559066] uvcvideo: - 320x240 (30.0 fps) [269178.559069] uvcvideo: - 640x360 (30.0 fps) [269178.559071] uvcvideo: - 640x480 (30.0 fps) [269178.559073] uvcvideo: - 800x600 (30.0 fps) [269178.559076] uvcvideo: - 960x720 (30.0 fps) [269178.559078] uvcvideo: - 1024x576 (30.0 fps) [269178.559080] uvcvideo: - 1280x720 (30.0 fps) [269178.559083] uvcvideo: - 1920x1080 (30.0 fps) [269178.559085] uvcvideo: - 2560x1440 (30.0 fps) [269178.559087] uvcvideo: - 1920x1080 (30.0 fps) [269178.559090] uvcvideo: Found format H.264. [269178.559093] uvcvideo: - 1920x1080 (30.0 fps) [269178.559095] uvcvideo: - 2560x1440 (30.0 fps) [269178.559098] uvcvideo: - 320x240 (30.0 fps) [269178.559100] uvcvideo: - 640x360 (30.0 fps) [269178.559102] uvcvideo: - 640x480 (30.0 fps) [269178.559105] uvcvideo: - 800x600 (30.0 fps) [269178.559107] uvcvideo: - 960x720 (30.0 fps) [269178.559109] uvcvideo: - 1024x576 (30.0 fps) [269178.559112] uvcvideo: - 1280x720 (30.0 fps) [269178.559114] uvcvideo: - 1920x1080 (30.0 fps) [269178.559117] uvcvideo: - 2560x1440 (30.0 fps) [269178.559119] uvcvideo: - 1920x1080 (30.0 fps) [269178.559121] uvcvideo: Found format YUV 4:2:2 (YUYV). [269178.559123] uvcvideo: - 1280x720 (30.0 fps) [269178.559126] uvcvideo: - 320x240 (30.0 fps) [269178.559128] uvcvideo: - 640x360 (30.0 fps) [269178.559130] uvcvideo: - 800x600 (30.0 fps) [269178.559133] uvcvideo: - 960x720 (30.0 fps) [269178.559135] uvcvideo: - 1024x576 (30.0 fps) [269178.559138] uvcvideo: - 1280x720 (30.0 fps) [269178.559140] uvcvideo: - 1280x720 (30.0 fps) [269178.559150] uvcvideo: Found a Status endpoint (addr 81). [269178.559154] uvcvideo: Found UVC 1.00 device webcam (1d6c:0103) [269178.559163] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 8 entity 1 [269178.559328] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2. [269178.559333] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 8 entity 1 [269178.559469] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4. [269178.559473] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 8 entity 2 [269178.559738] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2. [269178.559750] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 8 entity 2 [269178.559923] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3. [269178.559932] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 8 entity 2 [269178.560070] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7. [269178.560074] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 8 entity 2 [269178.560267] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8. [269178.560274] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 8 entity 2 [269178.560464] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10. [269178.560471] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/4 to device 8 entity 2 [269178.560801] uvcvideo: Adding mapping 'Gain' to control 00000000-0000-0000-0000-000000000101/4. [269178.560808] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 8 entity 2 [269178.561147] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5. [269178.561153] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 8 entity 2 [269178.561346] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11. [269178.561353] uvcvideo: Scanning UVC chain: OT 4 <- XU 3 <- PU 2 <- IT 1 [269178.561366] uvcvideo: Found a valid video chain (1 -> 4). [269178.562460] input: webcam: HD 4MP WEBCAM as /devices/ pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/input/input62 [269178.562617] uvcvideo: UVC device initialized. [269188.790367] uvcvideo: uvc_v4l2_open [269188.790419] uvcvideo: uvc_v4l2_release [269188.794541] uvcvideo: uvc_v4l2_open [269188.794551] uvcvideo: uvc_v4l2_release [269188.794624] uvcvideo: uvc_v4l2_open [269188.799446] uvcvideo: uvc_v4l2_open [269188.799451] uvcvideo: uvc_v4l2_release [269188.799486] uvcvideo: uvc_v4l2_open [269189.312113] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269189.828209] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269190.336251] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269190.848206] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269191.364238] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269191.872313] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269192.388288] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269192.896443] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp. 2). [269193.408447] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp. 2). [269193.920430] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2: -110 (exp. 2). [269194.432487] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp. 2). [269194.944701] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp. 2). [269195.456574] uvcvideo: Failed to query (GET_DEF) UVC control 7 on unit 2: -110 (exp. 2). [269195.968666] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp. 2). [269196.480621] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit 2: -110 (exp. 2). [269196.992778] uvcvideo: Failed to query (GET_DEF) UVC control 7 on unit 2: -110 (exp. 2). [269197.504706] uvcvideo: Failed to query (GET_DEF) UVC control 7 on unit 2: -110 (exp. 2). [269198.020733] uvcvideo: Failed to query (GET_DEF) UVC control 7 on unit 2: -110 (exp. 2). [269198.528702] uvcvideo: Failed to query (GET_DEF) UVC control 7 on unit 2: -110 (exp. 2). [269198.528786] uvcvideo: Control 0x00980903 not found. [269198.528822] uvcvideo: Control 0x00980904 not found. [269198.528831] uvcvideo: Control 0x00980905 not found. [269198.528839] uvcvideo: Control 0x00980906 not found. [269199.040763] uvcvideo: Failed to query (GET_DEF) UVC control 7 on unit 2: -110 (exp. 2). [269199.040818] uvcvideo: Control 0x00980903 not found. [269199.040827] uvcvideo: Control 0x00980904 not found. [269199.040835] uvcvideo: Control 0x00980905 not found. [269199.040849] uvcvideo: Control 0x00980907 not found. [269199.040854] uvcvideo: Control 0x00980906 not found. [269199.040862] uvcvideo: Control 0x00980907 not found. [269199.040869] uvcvideo: Control 0x00980908 not found. [269199.040875] uvcvideo: Control 0x00980909 not found. [269199.040881] uvcvideo: Control 0x00980908 not found. [269199.040885] uvcvideo: Control 0x0098090a not found. [269199.040890] uvcvideo: Control 0x00980909 not found. [269199.040894] uvcvideo: Control 0x0098090b not found. [269199.040899] uvcvideo: Control 0x0098090a not found. [269199.552760] uvcvideo: Failed to query (GET_DEF) UVC control 11 on unit 2: -110 (exp. 1). [269200.064794] uvcvideo: Failed to query (GET_DEF) UVC control 11 on unit 2: -110 (exp. 1). [269200.064884] uvcvideo: Control 0x0098090b not found. [269200.576732] uvcvideo: Failed to query (GET_DEF) UVC control 11 on unit 2: -110 (exp. 1). [269201.088861] uvcvideo: Failed to query (GET_DEF) UVC control 11 on unit 2: -110 (exp. 1). [269201.088915] uvcvideo: Control 0x0098090d not found. [269201.088924] uvcvideo: Control 0x0098090e not found. [269201.088932] uvcvideo: Control 0x0098090f not found. [269201.088939] uvcvideo: Control 0x00980910 not found. [269201.088946] uvcvideo: Control 0x00980911 not found. [269201.600823] uvcvideo: Failed to query (GET_DEF) UVC control 11 on unit 2: -110 (exp. 1). [269202.112922] uvcvideo: Failed to query (GET_DEF) UVC control 11 on unit 2: -110 (exp. 1). [269202.113017] uvcvideo: Control 0x00980912 not found. [269202.624942] uvcvideo: Failed to query (GET_DEF) UVC control 4 on unit 2: -110 (exp. 2). [269202.625039] uvcvideo: Control 0x0098090d not found. [269202.625075] uvcvideo: Control 0x0098090e not found. [269202.625083] uvcvideo: Control 0x0098090f not found. [269202.625091] uvcvideo: Control 0x00980910 not found. [269202.625099] uvcvideo: Control 0x00980911 not found. [269202.625106] uvcvideo: Control 0x00980912 not found. [269203.136961] uvcvideo: Failed to query (GET_DEF) UVC control 4 on unit 2: -110 (exp. 2). [269203.649015] uvcvideo: Failed to query (GET_DEF) UVC control 4 on unit 2: -110 (exp. 2). [269204.161002] uvcvideo: Failed to query (GET_DEF) UVC control 4 on unit 2: -110 (exp. 2). [269204.673056] uvcvideo: Failed to query (GET_DEF) UVC control 4 on unit 2: -110 (exp. 2). [269204.673149] uvcvideo: Control 0x00980914 not found. [269204.673184] uvcvideo: Control 0x00980915 not found. [269204.673193] uvcvideo: Control 0x00980916 not found. [269204.673201] uvcvideo: Control 0x00980917 not found. [269205.184982] uvcvideo: Failed to query (GET_DEF) UVC control 5 on unit 2: -110 (exp. 1). [269205.697043] uvcvideo: Failed to query (GET_DEF) UVC control 4 on unit 2: -110 (exp. 2). [269206.213111] uvcvideo: Failed to query (GET_DEF) UVC control 5 on unit 2: -110 (exp. 1). [269206.724959] uvcvideo: Failed to query (GET_DEF) UVC control 5 on unit 2: -110 (exp. 1). [269206.725021] uvcvideo: Control 0x00980914 not found. [269206.725031] uvcvideo: Control 0x00980915 not found. [269206.725033] uvcvideo: Control 0x00980916 not found. [269206.725034] uvcvideo: Control 0x00980917 not found. [269207.233129] uvcvideo: Failed to query (GET_DEF) UVC control 5 on unit 2: -110 (exp. 1). [269207.233200] uvcvideo: Control 0x00980919 not found. [269207.745018] uvcvideo: Failed to query (GET_DEF) UVC control 5 on unit 2: -110 (exp. 1). [269208.257159] uvcvideo: Failed to query (GET_CUR) UVC control 11 on unit 2: -110 (exp. 1). [269208.769109] uvcvideo: Failed to query (GET_CUR) UVC control 11 on unit 2: -110 (exp. 1). [269209.281244] uvcvideo: Failed to query (GET_DEF) UVC control 5 on unit 2: -110 (exp. 1). [269209.281301] uvcvideo: Control 0x00980919 not found. [269209.793324] uvcvideo: Failed to query (GET_CUR) UVC control 11 on unit 2: -110 (exp. 1). [269210.305252] uvcvideo: Failed to query (GET_CUR) UVC control 11 on unit 2: -110 (exp. 1). [269210.817344] uvcvideo: Failed to query (GET_DEF) UVC control 8 on unit 2: -110 (exp. 2). [269211.329357] uvcvideo: Failed to query (GET_CUR) UVC control 11 on unit 2: -110 (exp. 1). [269211.841304] uvcvideo: Failed to query (GET_CUR) UVC control 11 on unit 2: -110 (exp. 1). [269212.353429] uvcvideo: Failed to query (GET_DEF) UVC control 8 on unit 2: -110 (exp. 2). [269212.865392] uvcvideo: Failed to query (GET_DEF) UVC control 8 on unit 2: -110 (exp. 2). [269213.377372] uvcvideo: Failed to query (GET_DEF) UVC control 8 on unit 2: -110 (exp. 2). [269213.889502] uvcvideo: Failed to query (GET_DEF) UVC control 8 on unit 2: -110 (exp. 2). [269213.889587] uvcvideo: Control 0x0098091c not found. [269213.889622] uvcvideo: Control 0x0098091d not found. [269213.889630] uvcvideo: Control 0x0098091e not found. [269213.889638] uvcvideo: Control 0x0098091f not found. [269214.401419] uvcvideo: Failed to query (GET_DEF) UVC control 8 on unit 2: -110 (exp. 2). [269214.401469] uvcvideo: Control 0x00980920 not found. [269214.401480] uvcvideo: Control 0x00980921 not found. [269214.401481] uvcvideo: Control 0x0098091c not found. [269214.401482] uvcvideo: Control 0x00980922 not found. [269214.401483] uvcvideo: Control 0x0098091d not found. [269214.401484] uvcvideo: Control 0x00980923 not found. [269214.401485] uvcvideo: Control 0x0098091e not found. [269214.401486] uvcvideo: Control 0x00980924 not found. [269214.401486] uvcvideo: Control 0x0098091f not found. [269214.401487] uvcvideo: Control 0x00980925 not found. [269214.401488] uvcvideo: Control 0x00980920 not found. [269214.401489] uvcvideo: Control 0x00980926 not found. [269214.401490] uvcvideo: Control 0x00980921 not found. [269214.401490] uvcvideo: Control 0x00980927 not found. [269214.401491] uvcvideo: Control 0x00980922 not found. [269214.401492] uvcvideo: Control 0x00980928 not found. [269214.401493] uvcvideo: Control 0x00980923 not found. [269214.401493] uvcvideo: Control 0x00980929 not found. [269214.401494] uvcvideo: Control 0x00980924 not found. [269214.401495] uvcvideo: Control 0x0098092a not found. [269214.401496] uvcvideo: Control 0x00980925 not found. [269214.401497] uvcvideo: Control 0x08000000 not found. [269214.401498] uvcvideo: Control 0x00980926 not found. [269214.401499] uvcvideo: Control 0x00980927 not found. [269214.401500] uvcvideo: uvc_v4l2_release [269214.401501] uvcvideo: Control 0x00980928 not found. [269214.401502] uvcvideo: Control 0x00980929 not found. [269214.401504] uvcvideo: Control 0x0098092a not found. [269214.401505] uvcvideo: Control 0x08000000 not found. [269214.401507] uvcvideo: uvc_v4l2_release [269214.402772] uvcvideo: uvc_v4l2_open [269214.402824] uvcvideo: uvc_v4l2_release [269214.402891] uvcvideo: uvc_v4l2_open [269214.402960] uvcvideo: uvc_v4l2_release [269214.403301] uvcvideo: uvc_v4l2_open [269214.403345] uvcvideo: uvc_v4l2_release [269219.490172] usb 1-8: 3:1: usb_set_interface failed (-110) [269224.610463] usb 1-8: 3:1: usb_set_interface failed (-110) [269229.730728] usb 1-8: 3:1: usb_set_interface failed (-110) [269234.850987] usb 1-8: 3:1: usb_set_interface failed (-110) Trace sometimes shows when unplugging the usb camera: [266351.804223] ------------[ cut here ]------------ [266351.804229] Trying to vfree() nonexistent vm area (0000000082c5765b) [266351.804256] WARNING: CPU: 3 PID: 1111201 at mm/vmalloc.c:2251 __vunmap+0x281/0x290 [266351.804258] Modules linked in: uvcvideo st uas usb_storage ufs qnx4 hfsplus hfs minix msdos jfs xfs videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cp210x usbserial usblp tcp_diag udp_diag inet_diag vhost_net vhost vhost_iotlb tap tun xt_CHECKSUM ipt_REJECT nf_reject_i pv4 xt_tcpudp rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace nfs_ssc fscache bnep xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink br_netf ilter bridge vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) overlay intel_rapl_msr bluetooth intel_rapl_common jitterentropy_rng snd_sof_pci snd_sof_intel_byt drbg snd_sof_intel_ipc snd_sof_intel_hda_common ansi_cprng snd_sof_xtensa_dsp ecdh_generic ecc snd_hda_codec_hdmi snd_sof snd_sof_intel_hd a snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_hda_codec_realtek snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_generic lz4 [266351.804388] snd_soc_acpi_intel_match ledtrig_audio snd_soc_acpi zram snd_hda_intel zsmalloc nfc snd_intel_dspcfg soundwire_intel x86_pkg_temp_thermal intel_powerclamp soundwire_generic_allocation coretemp kvm_intel snd_soc_core binfmt_misc kvm snd_compress nls_ascii soundwire_cadence nl s_cp437 irqbypass eeepc_wmi vfat asus_wmi rapl fat snd_hda_codec snd_usb_audio battery intel_cstate sparse_keymap intel_uncore pcspkr i915 rfkill efi_pstore wmi_bmof snd_hda_core snd_usbmidi_lib snd_rawmidi snd_hwdep snd_seq_device soundwire_bus snd_pcm joydev snd_timer iTCO_wdt evdev intel_ pmc_bxt drm_kms_helper snd iTCO_vendor_support mei_me watchdog soundcore sg mei cec i2c_algo_bit acpi_pad intel_pmc_core button acpi_tad 8021q garp stp mrp llc v4l2loopback_dc(OE) videodev mc parport_pc ppdev lp drm parport sunrpc fuse configfs efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 btrfs blake2b_generic xor raid6_pq libcrc32c crc32c_generic hid_cherry hid_generic dm_crypt dm_mod usbhid hid sd_mod [266351.805112] sr_mod cdrom t10_pi crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel e1000e libaes crypto_simd cryptd ahci ptp glue_helper xhci_pci libahci pps_core xhci_hcd i2c_i801 i2c_smbus libata usbcore scsi_mod us b_common fan wmi video [last unloaded: uvcvideo] [266351.805164] CPU: 3 PID: 1111201 Comm: uvcdynctrl Tainted: G W OE 5.10.0-3-amd64 #1 Debian 5.10.13-1 [266351.805167] Hardware name: System manufacturer System Product Name/PRIME H370M-PLUS, BIOS 1402 04/03/2019 [266351.805174] RIP: 0010:__vunmap+0x281/0x290 [266351.805180] Code: 87 48 89 fe 48 c7 c7 a8 e1 2e ad e8 e9 5b 61 00 0f 0b 5b 5d 41 5c 41 5d 41 5e c3 4c 89 e6 48 c7 c7 d0 e1 2e ad e8 cf 5b 61 00 <0f> 0b eb e4 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 53 31 [266351.805183] RSP: 0018:ffffbb298466be60 EFLAGS: 00010286 [266351.805334] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff8e7d0dcd8a08 [266351.805337] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff8e7d0dcd8a00 [266351.805489] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffbb298466bc80 [266351.805491] R10: ffffbb298466bc78 R11: ffffffffad8bf7d0 R12: ffffbb29a708f000 [266351.805494] R13: ffff8e75c8ec1420 R14: ffff8e75c9849840 R15: 0000000000000000 [266351.805498] FS: 00007f7f96ccbb80(0000) GS:ffff8e7d0dcc0000(0000) knlGS: 0000000000000000 [266351.805502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [266351.805505] CR2: 00007f7f98dbbe40 CR3: 00000002d0e20006 CR4: 00000000003706e0 [266351.805508] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [266351.805510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [266351.805512] Call Trace: [266351.805529] v4l2_loopback_close+0x86/0xf0 [v4l2loopback_dc] [266351.805552] v4l2_release+0xb8/0xc0 [videodev] [266351.805559] __fput+0x95/0x240 [266351.805565] task_work_run+0x65/0xa0 [266351.805584] exit_to_user_mode_prepare+0x111/0x120 [266351.805592] syscall_exit_to_user_mode+0x28/0x140 [266351.805599] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [266351.805604] RIP: 0033:0x7f7f98e5a6c3 [266351.805609] Code: e9 37 ff ff ff e8 7d df 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 [266351.805612] RSP: 002b:00007ffc6c7ae898 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [266351.805617] RAX: 0000000000000000 RBX: 00005616967dff50 RCX: 00007f7f98e5a6c3 [266351.805619] RDX: 00007ffc6c7ae900 RSI: 00000000c0445624 RDI: 0000000000000004 [266351.805622] RBP: 00005616967e8990 R08: 0000000000000002 R09: 00007f7f98f29be0 [266351.805625] R10: 00007ffc6c7ac007 R11: 0000000000000246 R12: 00007ffc6c7ae900 [266351.805627] R13: 0000000000000003 R14: 00000000c0445624 R15: 0000000000000004 [266351.805633] ---[ end trace fd5b2560a3f737e7 ]--- root@h370:~# lsusb -d 1d6c:0103 -v Bus 001 Device 009: ID 1d6c:0103 webcam webcam Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x1d6c idProduct 0x0103 bcdDevice 0.10 iManufacturer 1 webcam iProduct 2 webcam iSerial 3 V011R007C001B005 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x05aa bNumInterfaces 4 bConfigurationValue 1 iConfiguration 4 (error) bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 (error) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 0 VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 0x004f dwClockFrequency 48.000000MHz bInCollection 1 baInterfaceNr( 0) 1 VideoControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Camera Sensor bAssocTerminal 0 iTerminal 0 wObjectiveFocalLengthMin 0 wObjectiveFocalLengthMax 0 wOcularFocalLength 0 bControlSize 3 bmControls 0x0000000a Auto-Exposure Mode Exposure Time (Absolute) VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 2 bSourceID 1 wMaxMultiplier 0 bControlSize 2 bmControls 0x0000165b Brightness Contrast Saturation Sharpness White Balance Temperature Gain Power Line Frequency White Balance Temperature, Auto iProcessing 0 bmVideoStandards 0x1c PAL - 625/50 SECAM - 625/50 NTSC - 625/50 VideoControl Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 3 guidExtensionCode {a29e7641-de04-47e3-8b2b-f4341aff8888} bNumControls 17 bNrInPins 1 baSourceID( 0) 2 bControlSize 3 bmControls( 0) 0xff bmControls( 1) 0xff bmControls( 2) 0x01 iExtension 0 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 3 iTerminal 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 VideoStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 3 wTotalLength 0x0498 bEndPointAddress 131 bmInfo 0 bTerminalLink 4 bStillCaptureMethod 0 bTriggerSupport 0 bTriggerUsage 0 bControlSize 1 bmaControls( 0) 0 bmaControls( 1) 0 bmaControls( 2) 0 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 1 bNumFrameDescriptors 12 bFlags 0 Fixed-size samples: No bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 1 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 7372800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 960000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 960 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1382400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1179648 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 9 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 10 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 11 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 7372800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 12 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 2 bNumFrameDescriptors 12 guidFormat {34363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 0 bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 bVariableSize 1 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 960 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 9 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 10 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 11 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 12 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 3 bNumFrameDescriptors 8 guidFormat {32595559-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 960000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 960 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1382400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1179648 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x13fc 3x 1020 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 2 Streaming bFunctionProtocol 0 iFunction 6 (error) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0026 bInCollection 1 baInterfaceNr(0) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0000 iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 1 bControlSize 1 bmaControls(0) 0x03 Mute Control Volume Control iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 3 bDelay 255 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 20 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 4 Discrete tSamFreq[ 0] 8000 tSamFreq[ 1] 16000 tSamFreq[ 2] 32000 tSamFreq[ 3] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x89 EP 9 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x0080 1x 128 bytes bInterval 4 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 can't get device qualifier: Resource temporarily unavailable can't get debug descriptor: Resource temporarily unavailable cannot read device status, Resource temporarily unavailable (11) root@h370:~# -- Rainer Dorsch http://bokomoko.de/ |
