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From: | Marcus D. Leech |
Subject: | Re: [Discuss-gnuradio] UHD Warning: Unable to set the thread priority. |
Date: | Mon, 04 Jul 2011 10:10:56 -0400 |
User-agent: | Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.18) Gecko/20110616 Thunderbird/3.1.11 |
On 04/07/2011 9:54 AM, Howard wrote:
The inability to set real-time scheduling shouldn't be a show-stopper, in fact, I tend to *not* run with realtime on my systems, and it's just fine. But assuming that you've added your userid to "usrp", you can add the following line to /etc/security/limits.conf: @usrp - rtprio 50 Then log out and back in, and you'll have real-time priority permissions. What may be an issue is that you're running at 16Msps, which may be higher than your CPU hardware can handle. Also, since this is a USRP1, I think that 16Msps is only supported with 8-bit samples, which requires that a special version of the firmware get downloaded into the USRP1, and I'm not sure that UHD takes care of that automagically. |
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