使用v4l2打开摄像头时报错
uvcvideo: Failed to submit URB 0 (-28).
Unable to start streaming: No space left on device (28).
网上有类似问题，但都没有解决我的问题，很奇怪，我的usb总线只挂了一个usb camera，为什么也会报No space left
下面log是usb hub，可以关闭掉吗？
[ 1.336132] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[ 1.348086] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 1.353887] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[ 1.362523] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.369438] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.376740] usb usb1: Product: MUSB HDRC host driver
[ 1.381710] usb usb1: Manufacturer: Linux 4.15.0-rc8-licheepi-nano+ musb-hcd
[ 1.388800] usb usb1: SerialNumber: musb-hdrc.1.auto
[ 1.395470] hub 1-0:1.0: USB hub found
[ 1.399567] hub 1-0:1.0: 1 port detected
离线