Hi Amos, On Sat, Nov 26, 2022 at 06:06:48PM +0100, Amos Tibaldi wrote: > Hello. Anyway the 10 frames captured are empty, so there is a problem > anyway. The logs suggest otherwise. yavta doesn't capture frames to disk by default. Could you add the `-F` argument and check if frames are captured correctly ? > I wonder why two years ago the driver was working and now not any more. > > On Fri, Nov 25, 2022 at 6:38 PM Amos Tibaldi <tibaldi.amos@xxxxxxxxx> wrote: > > > Hello, here is the output from yavta, it captures 10 frames but does not > > show anything, and if I run it again other times it captures nothing more, > > unluckily. > > > > tibaldi@ryzen:~/Desktop/src/yavta$ yavta -f YUYV -s 1920x1080 -c10 > > /dev/video0 > > Device /dev/video0 opened. > > Device `ezcap U3 capture: ezcap U3 capt' on `usb-0000:02:00.0-3' (driver > > 'uvcvideo') supports video, capture, without mplanes. > > Video format set: YUYV (56595559) 1920x1080 (stride 3840) field none > > buffer size 4147200 > > Video format: YUYV (56595559) 1920x1080 (stride 3840) field none buffer > > size 4147200 > > 8 buffers requested. > > length: 4147200 offset: 0 timestamp type/source: mono/SoE > > Buffer 0/0 mapped at address 0x7fcd90081000. > > length: 4147200 offset: 4149248 timestamp type/source: mono/SoE > > Buffer 1/0 mapped at address 0x7fcd8fc8c000. > > length: 4147200 offset: 8298496 timestamp type/source: mono/SoE > > Buffer 2/0 mapped at address 0x7fcd8f897000. > > length: 4147200 offset: 12447744 timestamp type/source: mono/SoE > > Buffer 3/0 mapped at address 0x7fcd8f4a2000. > > length: 4147200 offset: 16596992 timestamp type/source: mono/SoE > > Buffer 4/0 mapped at address 0x7fcd8f0ad000. > > length: 4147200 offset: 20746240 timestamp type/source: mono/SoE > > Buffer 5/0 mapped at address 0x7fcd8ecb8000. > > length: 4147200 offset: 24895488 timestamp type/source: mono/SoE > > Buffer 6/0 mapped at address 0x7fcd8e8c3000. > > length: 4147200 offset: 29044736 timestamp type/source: mono/SoE > > Buffer 7/0 mapped at address 0x7fcd8e4ce000. > > 0 (0) [-] none 0 4147200 B 636.063000 636.094430 4.068 fps ts mono/SoE > > 1 (1) [-] none 1 4147200 B 636.095847 636.127739 30.444 fps ts mono/SoE > > 2 (2) [-] none 2 4147200 B 636.129171 636.161062 30.008 fps ts mono/SoE > > 3 (3) [-] none 3 4147200 B 636.162494 636.194385 30.009 fps ts mono/SoE > > 4 (4) [-] none 4 4147200 B 636.195818 636.227709 30.008 fps ts mono/SoE > > 5 (5) [-] none 5 4147200 B 636.229142 636.261034 30.008 fps ts mono/SoE > > 6 (6) [-] none 6 4147200 B 636.262465 636.294357 30.009 fps ts mono/SoE > > 7 (7) [-] none 7 4147200 B 636.295789 636.327681 30.008 fps ts mono/SoE > > 8 (0) [-] none 8 4147200 B 636.329112 636.361005 30.009 fps ts mono/SoE > > 9 (1) [-] none 9 4147200 B 636.362436 636.394328 30.008 fps ts mono/SoE > > Captured 10 frames in 0.577147 seconds (17.326601 fps, 71856878.812123 B/s). > > 8 buffers released. > > tibaldi@ryzen:~/Desktop/src/yavta$ ls > > yavta-0.0+git20190114.e21525b > > yavta_0.0+git20190114.e21525b-1.debian.tar.xz > > yavta_0.0+git20190114.e21525b-1.dsc > > yavta_0.0+git20190114.e21525b.orig.tar.gz > > tibaldi@ryzen:~/Desktop/src/yavta$ > > > > Here is the dmesg: > > > > [ 590.224080] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd > > [ 590.257648] usb 2-3: New USB device found, idVendor=1bcf, idProduct=2c99, bcdDevice= 2.00 > > [ 590.257651] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > > [ 590.257652] usb 2-3: Product: ezcap U3 capture > > [ 590.257653] usb 2-3: Manufacturer: VXIS Inc > > [ 590.288882] mc: Linux media interface: v0.10 > > [ 590.295626] videodev: Linux video capture interface: v2.00 > > [ 590.302902] uvcvideo: Found UVC 1.00 device ezcap U3 capture (1bcf:2c99) > > [ 590.322509] input: ezcap U3 capture: ezcap U3 capt as /devices/pci0000:00/0000:00:01.3/0000:02:00.0/usb2/2-3/2-3:1.0/input/input17 > > [ 590.322603] usbcore: registered new interface driver uvcvideo > > [ 590.322603] USB Video Class driver (1.1.1) > > [ 722.776405] usbcore: deregistering interface driver uvcvideo > > [ 730.533290] uvcvideo: Probing generic UVC device 3 > > [ 730.534818] uvcvideo: Found format MJPEG. > > [ 730.534820] uvcvideo: - 1920x1080 (30.0 fps) > > [ 730.534820] uvcvideo: - 640x480 (30.0 fps) > > [ 730.534821] uvcvideo: - 800x600 (30.0 fps) > > [ 730.534822] uvcvideo: - 1024x768 (30.0 fps) > > [ 730.534822] uvcvideo: - 1280x720 (30.0 fps) > > [ 730.534823] uvcvideo: - 1280x960 (30.0 fps) > > [ 730.534824] uvcvideo: - 1280x1024 (30.0 fps) > > [ 730.534824] uvcvideo: - 1360x768 (30.0 fps) > > [ 730.534825] uvcvideo: - 1400x900 (30.0 fps) > > [ 730.534825] uvcvideo: - 1440x900 (30.0 fps) > > [ 730.534826] uvcvideo: Found format YUV 4:2:2 (YUYV). > > [ 730.534827] uvcvideo: - 1920x1080 (30.0 fps) > > [ 730.534827] uvcvideo: - 640x480 (30.0 fps) > > [ 730.534828] uvcvideo: - 800x600 (30.0 fps) > > [ 730.534829] uvcvideo: - 1024x768 (30.0 fps) > > [ 730.534829] uvcvideo: - 1280x720 (30.0 fps) > > [ 730.534830] uvcvideo: - 1280x960 (30.0 fps) > > [ 730.534831] uvcvideo: - 1280x1024 (30.0 fps) > > [ 730.534831] uvcvideo: - 1360x768 (30.0 fps) > > [ 730.534832] uvcvideo: - 1400x900 (30.0 fps) > > [ 730.534832] uvcvideo: - 1440x900 (30.0 fps) > > [ 730.534835] uvcvideo: Found a Status endpoint (addr 87). > > [ 730.534836] uvcvideo: Found UVC 1.00 device ezcap U3 capture (1bcf:2c99) > > [ 730.534839] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 3 entity 2 > > [ 730.536029] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2. > > [ 730.536032] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 3 entity 2 > > [ 730.537278] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3. > > [ 730.537281] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 3 entity 2 > > [ 730.538778] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6. > > [ 730.538781] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 3 entity 2 > > [ 730.539779] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7. > > [ 730.539782] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 <- XU 3 <- PU 2 <- IT 1 > > [ 730.539785] uvcvideo: Found a valid video chain (1 -> 5). > > [ 730.552707] input: ezcap U3 capture: ezcap U3 capt as /devices/pci0000:00/0000:00:01.3/0000:02:00.0/usb2/2-3/2-3:1.0/input/input18 > > [ 730.552746] uvcvideo: UVC device initialized. > > [ 730.552778] usbcore: registered new interface driver uvcvideo > > [ 730.552779] USB Video Class driver (1.1.1) > > [ 730.555114] uvcvideo: uvc_v4l2_open > > [ 730.555199] uvcvideo: uvc_v4l2_release > > [ 730.560666] uvcvideo: uvc_v4l2_open > > [ 730.560675] uvcvideo: uvc_v4l2_release > > [ 730.561046] uvcvideo: uvc_v4l2_open > > [ 730.561053] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.561090] uvcvideo: uvc_v4l2_open > > [ 730.561095] uvcvideo: uvc_v4l2_release > > [ 730.561147] uvcvideo: uvc_v4l2_open > > [ 730.561149] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.565780] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.565784] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.570782] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.570802] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.576534] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.582041] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.582065] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.582067] uvcvideo: uvc_v4l2_release > > [ 730.582069] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.582071] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.582073] uvcvideo: uvc_ioctl_queryctrl 1 > > [ 730.582075] uvcvideo: uvc_v4l2_release > > [ 732.812026] uvcvideo: Suspending interface 1 > > [ 732.812028] uvcvideo: Suspending interface 0 > > [ 735.089271] uvcvideo: uvc_v4l2_open > > [ 735.188180] uvcvideo: Resuming interface 0 > > [ 735.188182] uvcvideo: Resuming interface 1 > > [ 735.188308] uvcvideo: Trying format 0x56595559 (YUYV): 1920x1080. > > [ 735.188309] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > > [ 735.205693] uvcvideo: uvc_v4l2_mmap > > [ 735.205798] uvcvideo: uvc_v4l2_mmap > > [ 735.205868] uvcvideo: uvc_v4l2_mmap > > [ 735.205938] uvcvideo: uvc_v4l2_mmap > > [ 735.206007] uvcvideo: uvc_v4l2_mmap > > [ 735.206075] uvcvideo: uvc_v4l2_mmap > > [ 735.206144] uvcvideo: uvc_v4l2_mmap > > [ 735.206213] uvcvideo: uvc_v4l2_mmap > > [ 735.206288] uvcvideo: uvc_ioctl_streamon 1 > > [ 735.206289] uvcvideo: uvc_ioctl_streamon 2 > > [ 735.208655] uvcvideo: Allocated 5 URB buffers of 16x1024 bytes each. > > [ 735.484187] uvcvideo: Frame complete (EOF found). > > [ 735.484188] uvcvideo: EOF in empty payload. > > [ 735.485645] uvcvideo: frame 1 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 252/255 scr, last pts/stc/sof 1327236385/1331368258/1068 > > [ 735.517519] uvcvideo: Frame complete (EOF found). > > [ 735.517520] uvcvideo: EOF in empty payload. > > [ 735.518977] uvcvideo: frame 2 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 254/255 scr, last pts/stc/sof 1331392640/1335530392/1102 > > [ 735.550850] uvcvideo: Frame complete (EOF found). > > [ 735.550850] uvcvideo: EOF in empty payload. > > [ 735.552311] uvcvideo: frame 3 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 1335548893/1339676935/1135 > > [ 735.584182] uvcvideo: Frame complete (EOF found). > > [ 735.584183] uvcvideo: EOF in empty payload. > > [ 735.585642] uvcvideo: frame 4 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 254/255 scr, last pts/stc/sof 1339705150/1343839068/1168 > > [ 735.617515] uvcvideo: Frame complete (EOF found). > > [ 735.617516] uvcvideo: EOF in empty payload. > > [ 735.618973] uvcvideo: frame 5 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 1343861406/1347985615/1202 > > [ 735.650846] uvcvideo: Frame complete (EOF found). > > [ 735.650847] uvcvideo: EOF in empty payload. > > [ 735.652307] uvcvideo: frame 6 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 1348017659/1352147749/1235 > > [ 735.684178] uvcvideo: Frame complete (EOF found). > > [ 735.684179] uvcvideo: EOF in empty payload. > > [ 735.685639] uvcvideo: frame 7 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 254/255 scr, last pts/stc/sof 1352173915/1356309883/1268 > > [ 735.717511] uvcvideo: Frame complete (EOF found). > > [ 735.717512] uvcvideo: EOF in empty payload. > > [ 735.718969] uvcvideo: frame 8 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 1356330172/1360456426/1302 > > [ 735.750842] uvcvideo: Frame complete (EOF found). > > [ 735.750843] uvcvideo: EOF in empty payload. > > [ 735.752303] uvcvideo: frame 9 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 1360486426/1364618560/1335 > > [ 735.784175] uvcvideo: Frame complete (EOF found). > > [ 735.784175] uvcvideo: EOF in empty payload. > > [ 735.784409] uvcvideo: uvc_ioctl_streamoff 1 > > [ 735.787877] uvcvideo: uvc_v4l2_release > > [ 737.804700] uvcvideo: Suspending interface 1 > > [ 737.804701] uvcvideo: Suspending interface 0 > > [ 759.203616] uvcvideo: uvc_v4l2_open > > [ 759.299952] uvcvideo: Resuming interface 0 > > [ 759.299953] uvcvideo: Resuming interface 1 > > [ 759.300035] uvcvideo: Trying format 0x56595559 (YUYV): 1920x1080. > > [ 759.300036] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > > [ 759.317823] uvcvideo: uvc_v4l2_mmap > > [ 759.317938] uvcvideo: uvc_v4l2_mmap > > [ 759.317998] uvcvideo: uvc_v4l2_mmap > > [ 759.318054] uvcvideo: uvc_v4l2_mmap > > [ 759.318108] uvcvideo: uvc_v4l2_mmap > > [ 759.318163] uvcvideo: uvc_v4l2_mmap > > [ 759.318217] uvcvideo: uvc_v4l2_mmap > > [ 759.318271] uvcvideo: uvc_v4l2_mmap > > [ 759.318331] uvcvideo: uvc_ioctl_streamon 1 > > [ 759.318331] uvcvideo: uvc_ioctl_streamon 2 > > [ 759.320968] uvcvideo: Allocated 5 URB buffers of 16x1024 bytes each. > > [ 792.216502] uvcvideo: uvc_v4l2_release > > [ 792.216709] xhci_hcd 0000:02:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. > > [ 794.720498] uvcvideo: Suspending interface 1 > > [ 794.720500] uvcvideo: Suspending interface 0 > > [ 806.281910] uvcvideo: uvc_v4l2_open > > [ 806.378953] uvcvideo: Resuming interface 0 > > [ 806.378954] uvcvideo: Resuming interface 1 > > [ 806.379036] uvcvideo: Trying format 0x56595559 (YUYV): 1920x1080. > > [ 806.379037] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > > [ 806.396248] uvcvideo: uvc_v4l2_mmap > > [ 806.396356] uvcvideo: uvc_v4l2_mmap > > [ 806.396427] uvcvideo: uvc_v4l2_mmap > > [ 806.396496] uvcvideo: uvc_v4l2_mmap > > [ 806.396565] uvcvideo: uvc_v4l2_mmap > > [ 806.396634] uvcvideo: uvc_v4l2_mmap > > [ 806.396745] uvcvideo: uvc_v4l2_mmap > > [ 806.396821] uvcvideo: uvc_v4l2_mmap > > [ 806.396896] uvcvideo: uvc_ioctl_streamon 1 > > [ 806.396896] uvcvideo: uvc_ioctl_streamon 2 > > [ 806.399460] uvcvideo: Allocated 5 URB buffers of 16x1024 bytes each. > > [ 808.585707] uvcvideo: uvc_v4l2_release > > [ 810.589730] uvcvideo: Suspending interface 1 > > [ 810.589732] uvcvideo: Suspending interface 0 > > > > On Fri, Nov 25, 2022 at 4:53 PM Laurent Pinchart wrote: > > > >> Hi Amos, > >> > >> On Fri, Nov 25, 2022 at 03:11:22AM +0100, Amos Tibaldi wrote: > >> > Hello, I blacklisted the snd_usb_audio and traced 0xffff uvcvideo.ko. The > >> > problem has slightly changed. Now the frames are coming but are not shown, > >> > as you can see from the syslog and dmesg below. Cheese, mpv, vlc, xawtv > >> > show all black window > >> > > >> > tibaldi@ryzen:~/Desktop/src/svl2/SimpleV4L2-SimpleV4L2_v0.2.5/build$ xawtv > >> > This is xawtv-3.106, running on Linux/x86_64 (5.4.212) > >> > xinerama 0: 1920x1080+0+0 > >> > vid-open-auto: using grabber/webcam device /dev/video0 > >> > v4l2: oops: select timeout > >> > >> [snip] > >> > >> > [ 686.740627] uvcvideo: Probing generic UVC device 3 > >> > [ 686.742123] uvcvideo: Found format MJPEG. > >> > [ 686.742125] uvcvideo: - 1920x1080 (30.0 fps) > >> > [ 686.742126] uvcvideo: - 640x480 (30.0 fps) > >> > [ 686.742127] uvcvideo: - 800x600 (30.0 fps) > >> > [ 686.742128] uvcvideo: - 1024x768 (30.0 fps) > >> > [ 686.742129] uvcvideo: - 1280x720 (30.0 fps) > >> > [ 686.742130] uvcvideo: - 1280x960 (30.0 fps) > >> > [ 686.742130] uvcvideo: - 1280x1024 (30.0 fps) > >> > [ 686.742131] uvcvideo: - 1360x768 (30.0 fps) > >> > [ 686.742132] uvcvideo: - 1400x900 (30.0 fps) > >> > [ 686.742133] uvcvideo: - 1440x900 (30.0 fps) > >> > [ 686.742134] uvcvideo: Found format YUV 4:2:2 (YUYV). > >> > [ 686.742135] uvcvideo: - 1920x1080 (30.0 fps) > >> > [ 686.742135] uvcvideo: - 640x480 (30.0 fps) > >> > [ 686.742136] uvcvideo: - 800x600 (30.0 fps) > >> > [ 686.742137] uvcvideo: - 1024x768 (30.0 fps) > >> > [ 686.742138] uvcvideo: - 1280x720 (30.0 fps) > >> > [ 686.742139] uvcvideo: - 1280x960 (30.0 fps) > >> > [ 686.742140] uvcvideo: - 1280x1024 (30.0 fps) > >> > [ 686.742141] uvcvideo: - 1360x768 (30.0 fps) > >> > [ 686.742141] uvcvideo: - 1400x900 (30.0 fps) > >> > [ 686.742142] uvcvideo: - 1440x900 (30.0 fps) > >> > [ 686.742146] uvcvideo: Found a Status endpoint (addr 87). > >> > [ 686.742147] uvcvideo: Found UVC 1.00 device ezcap U3 capture (1bcf:2c99) > >> > [ 686.742151] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 3 entity 2 > >> > [ 686.743061] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2. > >> > [ 686.743063] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 3 entity 2 > >> > [ 686.744306] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3. > >> > [ 686.744307] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 3 entity 2 > >> > [ 686.745557] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6. > >> > [ 686.745558] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 3 entity 2 > >> > [ 686.746808] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7. > >> > [ 686.746811] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 <- XU 3 <- PU 2 <- IT 1 > >> > [ 686.746814] uvcvideo: Found a valid video chain (1 -> 5). > >> > [ 686.759767] input: ezcap U3 capture: ezcap U3 capt as /devices/pci0000:00/0000:00:01.3/0000:02:00.0/usb2/2-3/2-3:1.0/input/input20 > >> > [ 686.759814] uvcvideo: UVC device initialized. > >> > [ 686.759856] usbcore: registered new interface driver uvcvideo > >> > [ 686.759857] USB Video Class driver (1.1.1) > >> > [ 688.950588] uvcvideo: Suspending interface 1 > >> > [ 688.950591] uvcvideo: Suspending interface 0 > >> > [ 693.066866] uvcvideo: uvc_v4l2_open > >> > [ 693.164163] uvcvideo: Resuming interface 0 > >> > [ 693.164164] uvcvideo: Resuming interface 1 > >> > [ 693.164213] uvcvideo: uvc_v4l2_poll > >> > [ 693.164216] uvcvideo: uvc_v4l2_read: not implemented. > >> > >> That's an ancient API that the uvcvideo driver doesn't support. xawtv is > >> likely a bad test application. Let's start simply, could you run > >> > >> yavta -f YUYV -s 1920x1080 -c10 /dev/video0 > >> > >> and provide both the kernel log and the messages output by yavta ? > >> > >> > [ 693.164220] uvcvideo: uvc_v4l2_poll > >> > [ 693.164221] uvcvideo: uvc_v4l2_read: not implemented. > >> > [ 693.164234] uvcvideo: uvc_v4l2_poll > >> > [ 693.164234] uvcvideo: uvc_v4l2_read: not implemented. > >> > [ 693.164240] uvcvideo: uvc_v4l2_poll > >> > [ 693.164241] uvcvideo: uvc_v4l2_read: not implemented. > >> > [ 693.167317] uvcvideo: uvc_v4l2_poll > >> > [ 693.167320] uvcvideo: uvc_v4l2_read: not implemented. > >> > [ 693.167887] uvcvideo: uvc_v4l2_open > >> > [ 693.167894] uvcvideo: uvc_ioctl_g_input 1 > >> > [ 693.167895] uvcvideo: uvc_ioctl_enum_input 1 > >> > [ 693.167903] uvcvideo: Trying format 0x32315559 (YU12): 1920x1080. > >> > [ 693.167904] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > >> > [ 693.181968] uvcvideo: Trying format 0x32315559 (YU12): 1920x1080. > >> > [ 693.181970] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > >> > [ 693.196719] uvcvideo: Trying format 0x32315659 (YV12): 1920x1080. > >> > [ 693.196721] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > >> > [ 693.210226] uvcvideo: Trying format 0x50323234 (422P): 1920x1080. > >> > [ 693.210228] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > >> > [ 693.224215] uvcvideo: Trying format 0x56595559 (YUYV): 1920x1080. > >> > [ 693.224217] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). > >> > [ 693.237715] uvcvideo: uvc_ioctl_g_parm 1 > >> > [ 693.251341] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251460] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251536] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251602] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251660] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251715] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251768] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251821] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251873] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251925] uvcvideo: uvc_v4l2_mmap > >> > [ 693.251977] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252030] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252082] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252134] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252185] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252237] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252288] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252340] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252391] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252442] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252494] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252545] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252596] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252648] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252699] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252750] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252801] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252852] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252903] uvcvideo: uvc_v4l2_mmap > >> > [ 693.252954] uvcvideo: uvc_v4l2_mmap > >> > [ 693.253005] uvcvideo: uvc_v4l2_mmap > >> > [ 693.253056] uvcvideo: uvc_v4l2_mmap > >> > [ 693.253126] uvcvideo: uvc_ioctl_streamon 1 > >> > [ 693.253126] uvcvideo: uvc_ioctl_streamon 2 > >> > [ 693.255834] uvcvideo: Allocated 5 URB buffers of 16x1024 bytes each. > >> > [ 693.528952] uvcvideo: Frame complete (EOF found). > >> > [ 693.528953] uvcvideo: EOF in empty payload. > >> > [ 693.530411] uvcvideo: frame 1 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 532789400/536923291/88 > >> > [ 693.562281] uvcvideo: Frame complete (EOF found). > >> > [ 693.562282] uvcvideo: EOF in empty payload. > >> > [ 693.563740] uvcvideo: frame 2 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 536945656/541069838/121 > >> > [ 693.595614] uvcvideo: Frame complete (EOF found). > >> > [ 693.595615] uvcvideo: EOF in empty payload. > >> > [ 693.597074] uvcvideo: frame 3 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 541101909/545231972/154 > >> > [ 693.628948] uvcvideo: Frame complete (EOF found). > >> > [ 693.628949] uvcvideo: EOF in empty payload. > >> > [ 693.630406] uvcvideo: frame 4 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 254/255 scr, last pts/stc/sof 545258164/549394108/188 > >> > [ 693.662279] uvcvideo: Frame complete (EOF found). > >> > [ 693.662280] uvcvideo: EOF in empty payload. > >> > ....... > >> > [ 710.361665] uvcvideo: EOF in empty payload. > >> > [ 710.363124] uvcvideo: frame 506 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 2631698065/2635823538/534 > >> > [ 710.394996] uvcvideo: Frame complete (EOF found). > >> > [ 710.394997] uvcvideo: EOF in empty payload. > >> > [ 710.396456] uvcvideo: frame 507 stats: 0/254/255 packets, 0/0/255 pts (!early initial), 253/255 scr, last pts/stc/sof 2635854320/2639985673/567 > >> > [ 710.428329] uvcvideo: Frame complete (EOF found). > >> > [ 710.428330] uvcvideo: EOF in empty payload. > >> > [ 710.428407] uvcvideo: uvc_ioctl_streamoff 1 > >> > [ 710.432808] uvcvideo: uvc_v4l2_release > >> > [ 710.435191] uvcvideo: uvc_v4l2_release > >> > [ 712.815575] uvcvideo: Suspending interface 1 > >> > [ 712.815578] uvcvideo: Suspending interface 0 > >> > > >> > On Fri, Nov 25, 2022 at 2:32 AM Laurent Pinchart wrote: > >> > > >> > > Hi Amos, > >> > > > >> > > Could you please avoid dropping the mailing list from CC when replying ? > >> > > > >> > > On Wed, Nov 23, 2022 at 09:43:10PM +0100, Amos Tibaldi wrote: > >> > > > Hello, I attached the dmesg text file of one linux mint 20.1 that I have > >> > > > just installed. The issue is the same. I hope it helps. Thanks. > >> > > > >> > > Quoting the interesting part from the log: > >> > > > >> > > > [ 823.596518] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd > >> > > > [ 823.629237] usb 2-3: New USB device found, idVendor=1bcf, idProduct=2c99, bcdDevice= 2.00 > >> > > > [ 823.629239] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > >> > > > [ 823.629240] usb 2-3: Product: ezcap U3 capture > >> > > > [ 823.629241] usb 2-3: Manufacturer: VXIS Inc > >> > > > >> > > So far so good. > >> > > > >> > > > [ 823.659423] mc: Linux media interface: v0.10 > >> > > > [ 823.667890] videodev: Linux video capture interface: v2.00 > >> > > > [ 823.678367] usb 2-3: 3:1: cannot get freq at ep 0x86 > >> > > > [ 823.685869] usb 2-3: 3:2: cannot get freq at ep 0x86 > >> > > > [ 823.692874] usb 2-3: 3:3: cannot get freq at ep 0x86 > >> > > > >> > > This I don't like. I've seen many devices having trouble with the audio > >> > > side, which resulted in different kind of firmware misbehaviours (most > >> > > likely including crashes) that affected the video side. Could you try to > >> > > blacklist the snd_usb_audio module to see if it helps ? It can be done > >> > > by adding > >> > > > >> > > blacklist snd_usb_audio > >> > > > >> > > to /etc/modprobe.d/blacklist.conf > >> > > > >> > > > [ 823.738250] usb 2-3: Warning! Unlikely big volume range (=4096), cval->res is probably wrong. > >> > > > [ 823.738252] usb 2-3: [5] FU [Digital In Capture Volume] ch = 1, val = 0/4096/1 > >> > > > [ 823.738384] usbcore: registered new interface driver snd-usb-audio > >> > > > [ 823.740047] uvcvideo: Found UVC 1.00 device ezcap U3 capture (1bcf:2c99) > >> > > > [ 823.760905] input: ezcap U3 capture: ezcap U3 capt as /devices/pci0000:00/0000:00:01.3/0000:02:00.0/usb2/2-3/2-3:1.0/input/input17 > >> > > > [ 823.760976] usbcore: registered new interface driver uvcvideo > >> > > > [ 823.760977] USB Video Class driver (1.1.1) > >> > > > >> > > Could you start video capture with any application and check if > >> > > additional messages are then printed in the kernel log ? > >> > > > >> > > > On Wed, Nov 23, 2022 at 9:04 PM Laurent Pinchart wrote: > >> > > > > >> > > > > Hi Amos, > >> > > > > > >> > > > > CC'ing the linux-media mailing list. > >> > > > > > >> > > > > On Wed, Nov 23, 2022 at 07:16:05PM +0100, Amos Tibaldi wrote: > >> > > > > > Hello, > >> > > > > > I have a usb framegrabber and it worked fine in ubuntu 20.04 and previous > >> > > > > > releases of ubuntu with the uvcvideo.ko kernel module but now that I have > >> > > > > > ubuntu 22.10 the uvcvideo.ko does not work with the ezcap261 framegrabber. The > >> > > > > > ko is loaded but cheese or xawtv or vlc go on timeout when issuing video > >> > > > > > acquisition, and the select returns wrong argument. I have also updated the > >> > > > > > firmware of the framegrabber. What can I do? > >> > > > > > >> > > > > Could you please send a copy of the kernel log, in text form ? You can > >> > > > > retrieve it with `dmesg` or `sudo dmesg`. I'm particularly interested in > >> > > > > messages printed when the device is plugged in, or when an application > >> > > > > attempts to use it. -- Regards, Laurent Pinchart
