我正在尝试在 AWS EC2 实例上设置虚拟 v4l2 设备。我确实 apt installv4l2loopback-dkms
和v4l2loopback-utils
.
当我尝试设置设备时出现以下错误
sudo modprobe v4l2loopback device=8
modprobe: ERROR: could not insert 'v4l2loopback': Unknown symbol in module, or unknown parameter (see dmesg)
如果我检查dmesg
: [87243.295525] v4l2loopback: Unknown symbol video_ioctl2 (err -2)
[87243.295553] v4l2loopback:未知符号 v4l2_ctrl_handler_init_class (err -2)
[87243.295582] v4l2loopback:未知符号 video_devdata(错误 -2)
[87243.295605] v4l2loopback:未知符号 v4l2_ctrl_new_custom(错误 -2)
[87243.295623] v4l2loopback:未知符号 video_unregister_device(错误 -2)
. . .
uname -a
5.4.0-1055-aws #58~18.04.1-Ubuntu SMP Wed Jul 28 03:04:50 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
你能帮我解决这个问题吗?