Good Morning,
I’m attempting to use a USB 3.0 HDMI video capture device on the Jetson Nano Dev Kit.
This device captures HDMI video and audio only at 1280x720_60, with MJPEG and RAW output.
On the L4T version released with the Nano, I was able to get MJPEG streaming to work by setting usbfs_memory_mb=1000 and autosuspend=1, however RAW produces usb 2-1.1: Not enough bandwidth for altsetting 1.
I just updated to the most recent L4T release, and now I am unable to get either mode to work.
I found a fix for the AGX Xavier, however it cannot be applied to the Nano. https://devtalk.nvidia.com/default/topic/1048804/jetson-agx-xavier/realsense-camera-unstable/post/5364499/#5364499
Currently the USB firmware version is tegra-xusb 70090000.xusb: Firmware timestamp: 2019-05-08 09:42:10 UTC, Version: 50.22 release.
Under /sys/kernel/debug/clk/xusb_falcon_src
clk_rate is read only at 204000000
clk_parent is pll_p_out_xusb
By setting clk_parent to pll_re_out I can get clk_rate up to 336000000, but it isn’t enough to solve the problem.
I’ve also attempted using the mainline kernel, but without hardware accelerated video handling I can’t even read the video stream.
The following is the kernel log generated from trying to access the device.
[ 600.231960] usb 2-1.1: usb_suspend_both: status 0
[ 600.279860] usb 2-1: usb_suspend_both: status 0
[ 600.280133] usb usb2: usb_suspend_both: status 0
[ 601.544598] usb 2-1.1: reset SuperSpeed USB device number 6 using tegra-xusb
[ 602.766918] usb 2-1.1: USB disconnect, device number 6
[ 602.967760] usb 2-1: usb_suspend_both: status 0
[ 602.967935] usb usb2: usb_suspend_both: status 0
[ 603.079373] usb usb2: usb_suspend_both: status -16
[ 603.292362] usb 2-1.1: new SuperSpeed USB device number 7 using tegra-xusb
[ 603.318454] usb 2-1.1: New USB device found, idVendor=1e4e, idProduct=701f
[ 603.318473] usb 2-1.1: New USB device strings: Mfr=6, Product=7, SerialNumber=3
[ 603.318487] usb 2-1.1: Product: HDMI to U3 capture
[ 603.318498] usb 2-1.1: Manufacturer: Video Grabber
[ 603.318527] usb 2-1.1: SerialNumber: 20000130041415
[ 603.320220] uvcvideo: Found UVC 1.00 device HDMI to U3 capture (1e4e:701f)
[ 603.321498] uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround.
[ 603.322696] uvcvideo 2-1.1:1.0: Entity type for entity Extension 4 was not initialized!
[ 603.331621] uvcvideo 2-1.1:1.0: Entity type for entity Processing 3 was not initialized!
[ 603.339903] uvcvideo 2-1.1:1.0: Entity type for entity Camera 1 was not initialized!
[ 604.951864] tegradc tegradc.0: unblank
[ 605.042872] tegradc tegradc.0: unblank
[ 605.602156] usb 2-1.1: Not enough bandwidth for new device state.
[ 605.608307] usb 2-1.1: Not enough bandwidth for altsetting 2
[ 615.027441] FAN rising trip_level:1 cur_temp:51000 trip_temps[2]:61000
[ 620.258481] usb 2-1.1: Not enough bandwidth for new device state.
[ 620.264630] usb 2-1.1: Not enough bandwidth for altsetting 1
[ 624.831448] usb 2-1.1: Not enough bandwidth for new device state.
[ 624.837597] usb 2-1.1: Not enough bandwidth for altsetting 2
[ 642.299390] usb 2-1.1: Not enough bandwidth for new device state.
[ 642.305680] usb 2-1.1: Not enough bandwidth for altsetting 1
[ 672.148647] usb 2-1.1: Not enough bandwidth for new device state.
[ 672.154793] usb 2-1.1: Not enough bandwidth for altsetting 2
[ 682.335044] usb 2-1.1: Not enough bandwidth for new device state.
[ 682.341199] usb 2-1.1: Not enough bandwidth for altsetting 1
[ 686.615695] usb 2-1.1: Not enough bandwidth for new device state.
[ 686.621956] usb 2-1.1: Not enough bandwidth for altsetting 2