Hi Derek, Thanks very much for the clarification. Maybe a "Click here for Configuring non-root" link, or a "DON'T PANIC" in large, friendly letters.
Regards On Thu, Jul 5, 2018 at 1:20 PM Derek Kozel <derek.ko...@ettus.com> wrote: > Hello Alejandra, > > Both of the instructions are correct. The confusion is that the manual > copies the file from the installed version of UHD and the application note > copies it from the source code directory. By default the install location > will be "/usr/local/" so the full path in [1] would be > /usr/local/lib/uhd/utils. > > The app note does include the instructions for configuring non-root USB > access. > > https://kb.ettus.com/Building_and_Installing_the_USRP_Open-Source_Toolchain_(UHD_and_GNU_Radio)_on_Linux#Configuring_USB > > It also includes the notes about threading priority at the end. > > https://kb.ettus.com/Building_and_Installing_the_USRP_Open-Source_Toolchain_(UHD_and_GNU_Radio)_on_Linux#Thread_priority_scheduling > > I'll have a think about how to make it clear that those sections are > necessary reads after finishing the base installation process. A note at > the end of the UHD installation section makes sense. > > Best regards, > Derek > > On Thu, Jul 5, 2018 at 5:03 PM, Alejandra Mercado via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> I believe these instructions are all the more necessary, since they (the >> instructions) seem to be unstable. >> >> For example, [1] says to change folder to <install-path>/lib/uhd/utils >> >> But there is no such path (at least in UHD version 3.9.7). The closest >> is workarea-uhd/uhd/host/lib/utils >> >> Which, though easy enough to find, begs the question if other paths have >> changed then will some of these batches help or hurt? >> >> Thanks and regards >> >> >> >> On Thu, Jul 5, 2018 at 11:56 AM Alejandra Mercado <merc...@ece.umd.edu> >> wrote: >> >>> Dear USRP folks, >>> >>> If the steps in [1] and [2] are needed to prevent the sudo requirement >>> (I have the same problem, Hojoon), then could Ettus please add those >>> commands to the installation instructions in >>> >>> >>> https://kb.ettus.com/Building_and_Installing_the_USRP_Open-Source_Toolchain_(UHD_and_GNU_Radio)_on_Linux >>> >>> If it had not been for Hojoon's post, I would be at sea as to how to >>> solve it. >>> >>> Regards >>> >>> On Tue, May 8, 2018 at 1:37 AM Nicolas Cuervo via USRP-users < >>> usrp-users@lists.ettus.com> wrote: >>> >>>> All that you are seeing is part of the normal behavior. The warnings >>>> are fairly descriptive on telling you what is happening. As you did, you >>>> set the Udev rules as depicted in our manual [1]. Later, you see the thread >>>> priority and you are encouraged to go to the manual again, where you will >>>> find the description of that warning and what to do to set the thread >>>> priority [2]. >>>> >>>> -Nicolas >>>> >>>> [1] >>>> https://files.ettus.com/manual/page_transport.html#transport_usb_udev >>>> [2] >>>> https://files.ettus.com/manual/page_general.html#general_threading_prio >>>> >>>> On Tue, May 8, 2018 at 6:15 AM, Hojoon Yang via USRP-users < >>>> usrp-users@lists.ettus.com> wrote: >>>> >>>>> Hi, I resolved the "[ERROR] [USB] USB open failed: insufficient >>>>> permissions." problem >>>>> >>>>> >>>>> by the following commands, >>>>> >>>>> >>>>> sudo cp uhd-usrp.rules /etc/udev/rules.d/ >>>>> >>>>> sudo udevadm control --reload-rules >>>>> >>>>> sudo udevadm trigger >>>>> >>>>> >>>>> However, I still get the warning if I executed the uhd example >>>>> programs without "sudo" >>>>> >>>>> >>>>> [WARNING] [UHD] Unable to set the thread priority. Performance may be >>>>> negatively affected. >>>>> >>>>> Please see the general application notes in the manual for >>>>> instructions. >>>>> >>>>> EnvironmentError: OSError: error in pthread_setschedparam >>>>> >>>>> >>>>> >>>>> For example, >>>>> >>>>> >>>>> >>>>> sudo ./tx_waveforms .. -> No such warning >>>>> >>>>> ./tx_waveforms .. -> [WARNING] [UHD ]..... >>>>> >>>>> >>>>> >>>>> Is this a bug? or normal behavior? >>>>> >>>>> >>>>> >>>>> Regards, >>>>> >>>>> Hojoon >>>>> >>>>> >>>>> >>>>> -----------------------Original Message----------------------- >>>>> From: Hojoon Yangvia USRP-users <usrp-users@lists.ettus.com> >>>>> To: "Marcus D. Leech via USRP-users" <usrp-users@lists.ettus.com> >>>>> Sent date: 2018-05-08 11:33:40 GMT +0900 (Asia/Seoul) >>>>> Subject: Re: [USRP-users]UHD installation >>>>> >>>>> Thanks Marcus. >>>>> >>>>> >>>>> >>>>> I did it. But, nothing changed. I will re-install the uhd and come >>>>> back if still have problems. >>>>> >>>>> >>>>> >>>>> But, is there any relationship between kernel version and uhd version? >>>>> I use UHD 3.11. >>>>> >>>>> >>>>> >>>>> currently, I use Ubuntu 14.04.5 LTS and the kernel version is >>>>> 4.2.0-42-generic >>>>> >>>>> >>>>> Because, the latest kernel version NI RIO supports is 4.2.x. I need it >>>>> for USRP X310. >>>>> >>>>> >>>>> Regards, >>>>> >>>>> >>>>> Hojoon >>>>> >>>>> >>>>> >>>>> -----------------------Original Message----------------------- >>>>> From: "Marcus D. Leech via USRP-users" <usrp-users@lists.ettus.com> >>>>> To: usrp-users@lists.ettus.com >>>>> Sent date: 2018-05-08 10:47:47 GMT +0900 (Asia/Seoul) >>>>> Subject: Re: [USRP-users] UHD installation >>>>> On 05/07/2018 09:42 PM, Hojoon Yang via USRP-users wrote: >>>>> >>>>> Hi, >>>>> >>>>> >>>>> >>>>> When I executed the "uhd_find_devices" >>>>> >>>>> >>>>> >>>>> I got "[ERROR] [USB] USB open failed: insufficient permissions." >>>>> >>>>> >>>>> However, when I put sudo in it(i.e. sudo uhd_find_devices", there is >>>>> no such error. >>>>> >>>>> >>>>> >>>>> Also, when I typed "./tx_waveforms ..." >>>>> >>>>> >>>>> >>>>> I got an following WARNING >>>>> >>>>> "[WARNING] [UHD] Unable to set the thread priority. Performance may >>>>> be negatively affected. >>>>> >>>>> Please see the general application notes in the manual for >>>>> instructions. >>>>> >>>>> EnvironmentError: OSError: error in pthread_setschedparam" >>>>> >>>>> >>>>> >>>>> similarly, the warning disappeared when I put the sudo in it. >>>>> >>>>> >>>>> >>>>> Marcus said it is incomplete installation, if the sudo needed. >>>>> >>>>> >>>>> >>>>> As Marcus recommended, I created(because there was no such file) >>>>> /etc/udev/rules.d/10-usrp.rules and put the following contents. >>>>> >>>>> >>>>> >>>>> # >>>>> # Copyright 2011,2015 Ettus Research LLC >>>>> # >>>>> # This program is free software: you can redistribute it and/or modify >>>>> # it under the terms of the GNU General Public License as published by >>>>> # the Free Software Foundation, either version 3 of the License, or >>>>> # (at your option) any later version. >>>>> # >>>>> # This program is distributed in the hope that it will be useful, >>>>> # but WITHOUT ANY WARRANTY; without even the implied warranty of >>>>> # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >>>>> # GNU General Public License for more details. >>>>> # >>>>> # You should have received a copy of the GNU General Public License >>>>> # along with this program. If not, see <http://www.gnu.org/licenses/> >>>>> <http://www.gnu.org/licenses/>. >>>>> # >>>>> >>>>> #USRP1 >>>>> SUBSYSTEMS=="usb", ATTRS{idVendor}=="fffe", ATTRS{idProduct}=="0002", >>>>> MODE:="0666" >>>>> >>>>> #B100 >>>>> SUBSYSTEMS=="usb", ATTRS{idVendor}=="2500", ATTRS{idProduct}=="0002", >>>>> MODE:="0666" >>>>> >>>>> #B200 >>>>> SUBSYSTEMS=="usb", ATTRS{idVendor}=="2500", ATTRS{idProduct}=="0020", >>>>> MODE:="0666" >>>>> SUBSYSTEMS=="usb", ATTRS{idVendor}=="2500", ATTRS{idProduct}=="0022", >>>>> MODE:="0666" >>>>> SUBSYSTEMS=="usb", ATTRS{idVendor}=="3923", ATTRS{idProduct}=="7813", >>>>> MODE:="0666" >>>>> SUBSYSTEMS=="usb", ATTRS{idVendor}=="3923", ATTRS{idProduct}=="7814", >>>>> MODE:="0666" >>>>> >>>>> >>>>> >>>>> However, nothing changed. >>>>> >>>>> >>>>> Do I need to re-install the uhd? >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Regards, >>>>> >>>>> Hojoon >>>>> >>>>> You also need to: >>>>> >>>>> sudo udevadm control --reload-rules >>>>> >>>>> And then replug your USRP >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> USRP-users mailing list >>>>> USRP-users@lists.ettus.com >>>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>>>> >>>>> >>>> _______________________________________________ >>>> USRP-users mailing list >>>> USRP-users@lists.ettus.com >>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>>> >>> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >> >
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