Hi Andreas,

Great job. Hope this issue can be solved as soon as possible.

Best regards,
Damon

On Wed, 26 Aug 2020 at 00:42, <andreas.bertheus...@kongsberg.com> wrote:

> Thanks Rob.
>
>
>
> I have registered the issue in
> https://github.com/EttusResearch/uhd/issues/367 and nagged their support
> email.
>
>
>
> Andreas.
>
>
>
> *From:* Rob Kossler <rkoss...@nd.edu>
> *Sent:* 25. august 2020 15:59
> *To:* Bertheussen, Andreas <andreas.bertheus...@kongsberg.com>
> *Cc:* usrp-users <usrp-users@lists.ettus.com>
> *Subject:* Re: [USRP-users] Issues with multi-usrp and UHD
>
>
>
> Hi Andreas,
>
> You might want to verify that benchmark_rate also misbehaves if you use
> "--ref=external --pps=external". I wasn't able to do this because I don't
> have an external reference handy. Regarding reporting of the bug, you could
> do so with gihub as you suggested, but I have been lazy in the past and
> just sent an email to "supp...@ettus.com". This generally just causes
> them to create the issue.
>
>
>
> Regarding UHD logging, take a look at this link
> <https://urldefense.com/v3/__https:/files.ettus.com/manual/log_8hpp.html*loghpp_logging__;Iw!!L8f3-wPVSng!S9U4pGFMepWOhBZhYhMgM4Eo2h_07u38lX5tJPAyLiWoNH0NpuAgOZuZcxpPHq1XSw3UQgcn0A$>.
> Below are the commands I used in Ubuntu prior to running the program.  This
> capability should work with any program that uses UHD including your custom
> program. For my own custom program, I also use the UHD logging commands in
> my source code such as UHD_LOGGER_INFO() and UHD_LOGGER_DEBUG() to print
> messages to the user rather than using std::cout.
>
>
>
> export UHD_LOG_LEVEL=trace
>
> export UHD_LOG_CONSOLE_LEVEL=trace
>
> export UHD_LOG_FILE_LEVEL=trace
>
> export UHD_LOG_FILE=uhd.log
>
>
>
> Rob
>
>
>
> On Tue, Aug 25, 2020 at 8:21 AM <andreas.bertheus...@kongsberg.com> wrote:
>
> Rob
>
> I ran benchmark_rate --args=="addr0=192.168.10.2,addr1=192.168.110.2"
> --tx_rate 5e6 --tx_channels="0,2"
> And I observed the same issue I described earlier – mostly that ether
> channels 0,1   or channels  2,3, or very rarely channels 0,2 get enabled.
> When I add “skip_dram=1” to args, the channel mapping is correct! It is
> prone to underruns but now I can proceed a bit further with my UHD software.
>
> How did you make the trace log? And did you do it to my program or to the
> benchmark_rate program?
>
> It is definitely a severe issue I would expect to be fixed, so I will
> report it. Is creating a Github issue the proper avenue?
>
> Many thanks for helping track this down, Rob!
>
> Regards,
> Andreas.
>
>
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