limitations of using multiple RTL-SDR dongles simultaneously

This is merely a historical archive of years 2008-2021, before the migration to mailman3.

A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/osmocom-sdr@lists.osmocom.org/.

Müller, Marcus (CEL) marcus.mueller2 at kit.edu
Mon Jan 8 21:50:15 UTC 2018


Ah, didn't know that! Interesting. This voids my previous mail.
On Mon, 2018-01-08 at 22:42 +0100, Steve Markgraf wrote:
> Hi Oliver,
> 
> On 08.01.2018 22:37, Olivier SCHMITT wrote:
> > Is this a limitation of the RTL-SDR library or the kernel driver?
> > Do we have a solution to get around the problem?
> 
> This is a limitation of the Kernel, as the maximum usbfs buffer size
> is set to 16 MB by default.
> In order to disable this limit, do the following:
> 
> echo 0 > /sys/module/usbcore/parameters/usbfs_memory_mb
> 
> Regards,
> Steve


More information about the osmocom-sdr mailing list