Try using hackrf_transfer to save a recording to /dev/null.

If this is successful, then move on to saving the recording to disk. If
that is not successful, then the issue is saving to disk. If it is then you
have now successfully recorded at 8 Mhz.

On Sun, Apr 8, 2018, 10:40 Juan Antonio <> wrote:

> The problem seems every time I raise the sample rate above 8 mhz
> approximately, for example when I record a dvb-t signal with gqrx.
> The SDR is a hackrf and, at the moment I am finding myself with the oooo
> because I am only recording, if I tried to do another type of operations I
> am almost sure that other types of bottleneck problems would appear, uuuu,
> etc ...
> If I try to use 16 mhz to avoid dc offset, the problem is multiplied by two
> Best regards
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