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How are received bytes stored? From the user space's point of view, they are not stored at all. How to read them? If you mean only to read them, simply cat /dev/ttyS... will do. Some more information as to how to deal with serial interfaces can be seen in multitude of answers and comments in this page and in the internet in general withing seconds of ...


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For the nvidia case, it turns out that nvidia-smi -L does what I'm looking for: LIST OPTIONS: -L, --list-gpus Display a list of GPUs connected to the system. > nvidia-smi -L GPU 0: Tesla M2090 (UUID: GPU-29ca4022-cf9d-d39f-8c46-...) GPU 1: Tesla M2090 (UUID: GPU-1e282221-0aac-9a10-a46c-...) GPU 2: Tesla M2090 (UUID: ...


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The i2c bus option is being set at arch/arm/plat-sunxi/devices.c file, following commit fixing it.


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You can use lsof to see which processes are using a file. In your case: $ lsof /dev/dvb/adapter0 $ lsof /dev/dvb/adapter1 Each call will give you a list of the processes having requested a handler (file descriptor) to your device. If nothing is printed, you can conclude that your device is not currently in use. Here's an example with /dev/urandom, used by ...


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From: http://sourceforge.net/p/linux-uvc/mailman/linux-uvc-devel/?viewmonth=201303 (~80%) What kernel version are you on ? As far as I remember, since 3.2 (or was it 3.3?) the h264 support in uvc driver should be there. If v4l2-ctl doesn't list anything other than MJPG, it's probably because the camrea itself doesn't support H264 raw stream, but only ...



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