[srslte-users] Building srsLTE on RasPi 4 Buster...
James Hagerman
james.hagerman at gmail.com
Fri Mar 20 09:10:08 UTC 2020
Hey Ralph,
Thanks for uploading that. The only differences are the card reader and
srsgui libraries so all of that looks correct.
I tried 5MHz on B17 using 5790 and got the same result as always on the
RPi4:
SCHED: Could not transmit RAR within the window
I get warnings about burst preamble and TX/RX time offset not being
calibrated for the lime_mini. That's the only other thing I don't know how
to address correctly.
I guess I should rebuild this whole thing from scratch and try again.
Thanks again for your help,
James
On Fri, Mar 20, 2020 at 1:21 AM Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
wrote:
> Hi,
>
>
>
> I have run cmake and put the output here:
>
>
>
> https://dk5ras.dyndns.org/tmp/results.txt
>
>
>
> Test lower frequencies, my results on the GHz bands were not so
> promising...however I can try those out these days.
>
>
>
> Ralph.
>
>
>
> *From:* James Hagerman [mailto:james.hagerman at gmail.com]
> *Sent:* Friday, March 20, 2020 9:09 AM
> *To:* Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> *Cc:* Jose NOUDOHOUENOU <jose.noudohouenou at gmail.com>; Andre Puschmann <
> andre.puschmann at softwareradiosystems.com>; srslte-users <
> srslte-users at lists.softwareradiosystems.com>; zip at swigerco.com
> *Subject:* Re: [srslte-users] Building srsLTE on RasPi 4 Buster...
>
>
>
> Hi Ralph,
>
> Thank you for the additional information!
>
> I'm definitely on Buster. Knowing that test is failing for you and that
> you sometimes see calibration errors as well makes me think our setups are
> pretty close to each other.
>
> I can't understand what's different between our two setups. My test phone
> is a Oneplus One so it doesn't support band 28... but it does support 5MHz
> on B7 using 3400 for the dl_earfcn. I wonder if I'm seeing issues due to
> the higher dl/ul frequencies that you're not seeing down around 763 MHz.
>
> If you could share your simple build and compile script, I'd love to see
> if there are any differences. If not the script, even the output of cmake
> might give a clue as to what's different.
>
> I've uploaded mine here:
> https://gist.github.com/JamesHagerman/7c45b5ae7272daa49d6ee8bc7df05a8d
>
> Thank you _so much_ for all the help! I owe you a beer or something
> James
>
>
>
>
> On Fri, Mar 20, 2020 at 12:11 AM Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> wrote:
>
> Hi James,
>
>
>
> I am running Raspbian buster, nothing special. And I never looked at the
> tests, I just left the box alone, compiling. However the test fails. I do
> not have the SDR plugged into the RasPi, and I connect it remotely, as I am
> 45 km away from it right now. On the other box, Intel i5, Kubuntu, with the
> SDR plugged in, the test passes.
>
>
>
> The hardware setup also is nothing special, the RasPi in a small black
> metal housing, and the Lime mini plugged into one of the USB3 ports.
>
>
>
> One thing is interesting, after the stuff is newly compiled, the first
> start always takes ages (at least some minutes) with 25% CPU load until the
> TX starts. And I also sometimes get these calibration errors. Sometimes
> they go away after replugging the SDR, and usually they appear to be no
> issue, the cell still works.
>
>
>
> Ralph.
>
>
>
> *From:* James Hagerman [mailto:james.hagerman at gmail.com]
> *Sent:* Friday, March 20, 2020 2:30 AM
> *To:* Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> *Cc:* Jose NOUDOHOUENOU <jose.noudohouenou at gmail.com>; Andre Puschmann <
> andre.puschmann at softwareradiosystems.com>; srslte-users <
> srslte-users at lists.softwareradiosystems.com>; zip at swigerco.com
> *Subject:* Re: [srslte-users] Building srsLTE on RasPi 4 Buster...
>
>
>
> Ralph,
>
> Thank you so much for testing this. I'm pulling out my Pi4 and LimeSDR
> mini now.
>
> I have a few more questions for you:
>
> 1. Did all of the tests pass? They take forever to run, but I had one fail
> last time I ran them against master. Can you please try running "ctest -R
> pucch_test" and report the results? I opened an issue here:
> https://github.com/srsLTE/srsLTE/issues/461
> 2. What version of Raspbian are you running? If your not sure "uname -a"
> should get me in the ballpark
> 3. Is your enb throwing any errors? I was seeing [ERROR] Tx Calibration:
> MCU error 4 (SXT tune failed) and I couldn't get it to go away even after
> providing more power or trying to calibrate the SDR.
>
> 4. Any chance you could share a photo of your pi setup? I understand if
> you're not interested or unable.
>
> Again, thank you so much!
> James
>
>
>
> On Thu, Mar 19, 2020 at 10:22 AM Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> wrote:
>
> Hi,
>
>
>
> nothing special:
>
>
>
> dl_earfcn = 9260 #763 MHz B28
>
> tx_gain = 80
>
> rx_gain = 40
>
>
>
> And as already mentioned, 5 MHz bandwidth…
>
>
>
> Ralph.
>
>
>
> *From:* Jose NOUDOHOUENOU [mailto:jose.noudohouenou at gmail.com]
> *Sent:* 19 March, 2020 13:32
> *To:* Ralph A. Schmid, dk5ras
> *Cc:* Andre Puschmann; James Hagerman; srslte-users; zip at swigerco.com;
> José NOUDOHOUENOU
> *Subject:* Re: [srslte-users] Building srsLTE on RasPi 4 Buster...
>
>
>
> Hi Ralph,
>
> In order for us to reproduce this experiment, it will be great if you can
> share these numbers you are using i.e. frequency, bandwidth, an adjusted
> RX/TX values.
>
>
>
> Many thanks,
>
> --
>
> Jose
>
> On Thu, Mar 19, 2020, 5:04 AM Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> wrote:
>
> Hi,
>
>
>
> My config files are all default, I just entered another frequency,
> bandwidth, adjusted RX/TX levels and changed MCC/MNC to those of my SIM
> cards. Just needed to make the change in the makefile txt regarding this
> –werror issue.
>
>
>
> By the way, going back to master changed nothing, works all fine.
>
>
>
> Ralph.
>
>
>
> *From:* Jose NOUDOHOUENOU [mailto:jose.noudohouenou at gmail.com]
> *Sent:* Wednesday, March 18, 2020 5:26 PM
> *To:* Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> *Cc:* Andre Puschmann <andre.puschmann at softwareradiosystems.com>; James
> Hagerman <james.hagerman at gmail.com>; srslte-users <
> srslte-users at lists.softwareradiosystems.com>; zip at swigerco.com; José
> NOUDOHOUENOU <jose.noudohouenou at gmail.com>
> *Subject:* Re: [srslte-users] Building srsLTE on RasPi 4 Buster...
>
>
>
> Hi Ralph,
>
> This is great. I am using LimeSDR in my lab. So, I have few questions.
>
>
>
> 1- Could you please share your configuration files (epc.conf and enb.conf)
> with us?
>
> 2- Where are located your configurations files? in the .config/ directory?
>
> 3-Where is located your user_db.csv? within the same directory where you
> run the srsepc command or somewhere else?
>
>
>
> Many Thanks,
>
> --
>
> Jose
>
>
>
> On Wed, Mar 18, 2020 at 6:43 AM Ralph A. Schmid, dk5ras <ralph at schmid.xxx>
> wrote:
>
> Hi,
>
> Right now I am running a 5 MHz LTE cell on my LimeSDR mini and RasPi 4,
> and my UE (a cheap Mediatek China phone) is logged in, has internet, and
> runs stable for the last 15 minutes now. Latency from the RasPi to the UE
> is between 20 and 32 ms, packet loss very low to nil, and a RoIP
> application (can be compared with Zello, but connecting to a real digital
> voice radio network) is running fine over this connection. The used source
> is from the pr_tinyrfci branch, but I will switch back to master, recompile
> and verify if this works, too.
>
> Ralph.
>
>
>
>
>
> > -----Original Message-----
> > From: Andre Puschmann
> > [mailto:andre.puschmann at softwareradiosystems.com]
> > Sent: Thursday, February 20, 2020 9:19 PM
> > To: James Hagerman <james.hagerman at gmail.com>
> > Cc: Ralph A. Schmid, dk5ras <ralph at schmid.xxx>; srslte-users <srslte-
> > users at lists.softwareradiosystems.com>; zip at swigerco.com
> > Subject: Re: [srslte-users] Building srsLTE on RasPi 4 Buster...
> >
> > Hi James,
> >
> > I am afraid I can't really help you on this at the moment. There are
> people (e.g.
> > Ralph) who have successfully used the Rpi4 with the eNB, but we haven't
> really
> > tried that ourselves.
> >
> > We've changed many things regarding timing in recent past and those will
> be
> > made available in the next release. So hopefully things will be easier
> then.
> >
> > Cheers
> > Andre
> >
> > On 20/2/20 1:16, James Hagerman wrote:
> > > Andre,
> > >
> > > Sorry for the delay. I uploaded 3 sets of logs to the following Gist.
> > > Warning level logs, Info level logs, and the console output of `sudo
> > > srsenb` while capturing the Info level logs.
> > >
> > >
> > https://gist.github.com/JamesHagerman/784a009ae8ab4886c32d1dd0a726352
> > f
> > >
> > > The only line in there that is a bit worrisome is:
> > >
> > > [ERROR] Tx Calibration: MCU error 4 (SXT tune failed)
> > >
> > > But I've tried just about everything I can to get that to go away and
> > > nothing works. If you think that is the root cause, I'll reach out to
> > > the LimeSDR community and try to sort it out.
> > >
> > > Thanks again for the help!
> > > James
> > >
> > > On Tue, Feb 18, 2020 at 12:57 PM Andre Puschmann
> > > <andre.puschmann at softwareradiosystems.com
> > > <mailto:andre.puschmann at softwareradiosystems.com>> wrote:
> > >
> > > Hey,
> > >
> > > On 18/2/20 21:44, James Hagerman wrote:
> > > > I will grab eNB logs later today. What logging level is
> appropriate?
> > >
> > > Info level should be enough as a start. Maybe you can also try a
> warning
> > > only to see if this already brings up an issue.
> > >
> > > Thanks
> > > Andre
> > >
> > > >
> > > > Thanks,
> > > > James
> > > >
> > > > On Tue, Feb 18, 2020 at 12:37 PM Andre Puschmann
> > > > <andre.puschmann at softwareradiosystems.com
> > > <mailto:andre.puschmann at softwareradiosystems.com>
> > > > <mailto:andre.puschmann at softwareradiosystems.com
> > > <mailto:andre.puschmann at softwareradiosystems.com>>> wrote:
> > > >
> > > > Hey James,
> > > >
> > > > are you currently debugging the eNB or the UE on the RPi4?
> > > >
> > > > Users on the list here use the RPi4 with the eNB. But the UE
> > > might be a
> > > > bit more difficult in terms of processing, etc, so I would
> not
> > > recommend
> > > > this just yet. Please use a phone or any other UE that you
> know is
> > > > working for you.
> > > >
> > > > For your eNB issue, can you please send along logs, etc?
> > > >
> > > > Thanks
> > > > Andre
> > > >
> > > > On 15/2/20 12:01, James Hagerman wrote:
> > > > > Oh, I should add: I have since shifted the Carrier Offset
> > > Frequency
> > > > > (CFO) from -1.1kHz down to -0.4kHz with:
> > > > > freq_offset = -1100
> > > > >
> > > > > The same issue happens.
> > > > >
> > > > > On Sat, Feb 15, 2020 at 2:45 AM James Hagerman
> > > > <james.hagerman at gmail.com <mailto:james.hagerman at gmail.com>
> > > <mailto:james.hagerman at gmail.com
> > <mailto:james.hagerman at gmail.com>>
> > > > > <mailto:james.hagerman at gmail.com
> > > <mailto:james.hagerman at gmail.com>
> > > > <mailto:james.hagerman at gmail.com
> > > <mailto:james.hagerman at gmail.com>>>> wrote:
> > > > >
> > > > > Hey all,
> > > > >
> > > > > I'm new on this mailing list but I've been poking at
> > > srsLTE for a
> > > > > bit now. I've been taking notes in this github gist. I
> > > need to
> > > > clean
> > > > > it up, but it might contain some useful
> > > > >
> > > >
> > > info:
> https://gist.github.com/JamesHagerman/fafec6ee2ee076fe7cda4cf4
> > dd74edd0
> > > > >
> > > > > This reply is response to getting srsLTE running on
> the RPI4
> > > > with a
> > > > > LimeSDR Mini. After starting up srsenb and srsepc on
> the
> > > RPi4,
> > > > > whenever a UE (either a physical LTE phone or srsue)
> > > sends it's
> > > > > RACH, the eNB running on the RPi4 always throws this
> error:
> > > > >
> > > > > RACH: tti=4501, preamble=52, offset=24,
> temp_crnti=0x46
> > > > > SCHED: Could not transmit RAR within the window (RA
> > > TTI=4501,
> > > > > Window=10, Now=4554)
> > > > > Disconnecting rnti=0x46.
> > > > > [and repeats a bunch]
> > > > >
> > > > > When I try to connect with srsue (using my laptop and a
> > > > BladeRF), it
> > > > > logs a matching error:
> > > > >
> > > > > Attaching UE...
> > > > > Searching cell in DL EARFCN=3400, f_dl=2685.0 MHz,
> > > f_ul=2565.0 MHz
> > > > > [INFO] setSampleRate(Rx, 0, 1.920000 MHz), actual =
> > > 1.920000 MHz
> > > > > Set Rx bandwidth to 2.50 MHz
> > > > > [INFO] setSampleRate(Tx, 0, 1.920000 MHz), actual =
> > > 1.920000 MHz
> > > > > Set Tx bandwidth to 1.50 MHz
> > > > >
> > > > > Warning TX/RX time offset has not been calibrated for
> > > device none.
> > > > > Set a value manually
> > > > >
> > > > > Found Cell: Mode=FDD, PCI=1, PRB=25, Ports=1,
> CFO=-1.1 KHz
> > > > > [INFO] setSampleRate(Rx, 0, 5.760000 MHz), actual =
> > > 5.760000 MHz
> > > > > Set Rx bandwidth to 5.00 MHz
> > > > > [INFO] setSampleRate(Tx, 0, 5.760000 MHz), actual =
> > > 5.760000 MHz
> > > > > Set Tx bandwidth to 5.00 MHz
> > > > >
> > > > > Warning TX/RX time offset has not been calibrated for
> > > device none.
> > > > > Set a value manually
> > > > >
> > > > > Found PLMN: Id=00101, TAC=7
> > > > > Random Access Transmission: seq=15, ra-rnti=0x2
> > > > > /[REDACTED]/srsLTE/lib/src/phy/rf/rf_soapy_imp.c.145:
> > > Error while
> > > > > receiving aync metadata: UNKNOWN (0), flags=6,
> channel=0,
> > > > > timeNs=1208675223
> > > > >
> > > > > Random Access Transmission: seq=1, ra-rnti=0x2
> > > > > Random Access Transmission: seq=24, ra-rnti=0x2
> > > > > Random Access Transmission: seq=23, ra-rnti=0x2
> > > > > Random Access Transmission: seq=3, ra-rnti=0x2
> > > > > Random Access Transmission: seq=33, ra-rnti=0x2
> > > > > Random Access Transmission: seq=2, ra-rnti=0x2
> > > > > Random Access Transmission: seq=44, ra-rnti=0x2
> > > > > Random Access Transmission: seq=13, ra-rnti=0x2
> > > > > Random Access Transmission: seq=1, ra-rnti=0x2
> > > > > Warning: Detected Radio-Link Failure
> > > > >
> > > > > Here are the versions of software I using on the RPI4:
> > > > >
> > > > > LimeSuite 19.04.0
> > > > > LimeSDR Mini running v1.30 of the Gateware FW (the
> latest;
> > > > installed
> > > > > with LimeSuite 19.04.0)
> > > > > SoapySDR 0.7.2 (master is on 0.8.0 and srsLTE needs
> > > updates before
> > > > > we can upgrade)
> > > > > srsLTE 19.12
> > > > >
> > > > > I chose these versions because they work great when I
> > > run the eNB
> > > > > and EPC from my laptop using the LimeSDR Mini, LimeSDR
> > > USB, or
> > > > > BladeRF. When I installed everything on the RPi4, I
> > > compiled from
> > > > > source on the Pi from. For srsLTE, I had to comment our
> > > those
> > > > > -Werror lines to get the build to complete.
> > > > >
> > > > > So far there are the things I've tried to get this
> > > working on
> > > > the RPi4:
> > > > >
> > > > > - Ensured the LimeSDR is nice and cool (I have one of
> > > the Lime AC
> > > > > Mini active cooling cases and it's around 29C at idle
> > > and bumps up
> > > > > to about 35C when the eNB is running. Much better than
> > > the 58C it
> > > > > used to hit...)
> > > > > - Overclocked the RPi4 (and disabled the overclock
> after
> > > it didn't
> > > > > improve the situation)
> > > > > - Ensured the RPi4 has enough power and is not
> > > throttling due to
> > > > > undervolting or overheating
> > > > > - Ensured the LimeSDR Mini has plenty of power
> available
> > > by using
> > > > > the USB Y-splitter that came with the LimeSDR USB and
> > > plugging
> > > > in to
> > > > > a second, high current USB power source
> > > > > - Tried all USB3 and USB2 ports available from the RPi4
> > > > > - Tried using a powered USB3 hub between the Pi and the
> > > > LimeSDR Mini
> > > > > - Tried setting `time_adv_nsamples` to a selection of
> values
> > > > between
> > > > > 0 and 500 without noticeable change
> > > > >
> > > > > Again, all of this works fine when it's running on my
> > > laptop!
> > > > Based
> > > > > on this, as far as I can tell, srsLTE 19.12.0 does not
> run
> > > > correctly
> > > > > on the RPi4 at this point.
> > > > >
> > > > > What am I missing?
> > > > >
> > > > > Thanks for your help,
> > > > > James Hagerman
> > > > >
> > > > > On Fri, Oct 25, 2019 at 4:37 AM Ralph A. Schmid, dk5ras
> > > > > <ralph at schmid.xxx> wrote:
> > > > >
> > > > > Great that it looks good for you, too. Usually you
> > > should be
> > > > > ready to go, enter sour SIM card data into the
> > > user_db.csv,
> > > > > start srsepc and srsenb, and it should be on air
> and
> > > ready
> > > > to be
> > > > > used. In my tests it was as stable and reliable as
> any
> > > > > commercial network out here.
> > > > >
> > > > > Now I need to find a way to NAT between wlan0 and
> > > > srs_spgw_sgi,
> > > > > to test internet access.
> > > > >
> > > > > Ralph.
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: srslte-users [mailto:srslte-users-
> > > <mailto:srslte-users->
> > > > <mailto:srslte-users- <mailto:srslte-users->>
> > > <mailto:srslte-users- <mailto:srslte-users-> <mailto:srslte-users-
> > > <mailto:srslte-users->>>
> > > > > > bounces at lists.softwareradiosystems.com
> > > <mailto:bounces at lists.softwareradiosystems.com>
> > > > <mailto:bounces at lists.softwareradiosystems.com
> > > <mailto:bounces at lists.softwareradiosystems.com>>
> > > > > <mailto:bounces at lists.softwareradiosystems.com
> > > <mailto:bounces at lists.softwareradiosystems.com>
> > > > <mailto:bounces at lists.softwareradiosystems.com
> > > <mailto:bounces at lists.softwareradiosystems.com>>>] On Behalf Of
> > > > > zip at swigerco.com <mailto:zip at swigerco.com>
> > > <mailto:zip at swigerco.com <mailto:zip at swigerco.com>>
> > > > <mailto:zip at swigerco.com <mailto:zip at swigerco.com>
> > > <mailto:zip at swigerco.com <mailto:zip at swigerco.com>>>
> > > > > > Sent: Thursday, October 24, 2019 9:17 PM
> > > > > > To: srslte-users
> > > > <srslte-users at lists.softwareradiosystems.com
> > > <mailto:srslte-users at lists.softwareradiosystems.com>
> > > > <mailto:srslte-users at lists.softwareradiosystems.com
> > > <mailto:srslte-users at lists.softwareradiosystems.com>>
> > > > > <mailto:
> srslte-users at lists.softwareradiosystems.com
> > > <mailto:srslte-users at lists.softwareradiosystems.com>
> > > > <mailto:srslte-users at lists.softwareradiosystems.com
> > > <mailto:srslte-users at lists.softwareradiosystems.com>>>>
> > > > > > Subject: [srslte-users] Building srsLTE on RasPi
> 4
> > > Buster...
> > > > > >
> > > > > > Thanks so much - with your notes got srsLTE built
> > > in RPi4B
> > > > > raspbian, by
> > > > > > commenting out the two lines 393/394 in
> > > CMakeLists.txt:
> > > > > >
> > > > > > # Add -Werror to C/C++ flags for newer compilers
> > > if(NOT
> > > > > > CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
> > > > > > # set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
> > >
> > > > > <-- comment
> > > > > > out
> > > > > > # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}
> > > -Werror")
> > > > > <-- "
> > > > > > endif()
> > > > > >
> > > > > > I also had to remove zmq -dev package or run
> into an
> > > > error there.
> > > > > > Installed (still running make test), and started
> > > up epc/enb
> > > > > with default config
> > > > > > OK, LimeSDR-Mini seems happy. Have not tested
> over
> > > the air
> > > > > attach yet (still
> > > > > > remote).
> > > > > >
> > > > > > --Chuck
> > > > > >
> > > > > > > Ralph - it would be wise in these kind of
> > > projects to note
> > > > > down the
> > > > > > > exact version of everything from LimeSuite
> > > firmware to
> > > > operating
> > > > > > > system, everything!
> > > > > >
> > > > > > At the moment this is quite simple, all in latest
> > > release.
> > > > > >
> > > > > > LimeSDR Mini, Gateware 1.30
> > > > > >
> > > > > > Limesuite:
> > > > > >
> > > > > > commit 627c82c76938765e93e85784cb359ea4aa71554e
> > > (HEAD ->
> > > > master,
> > > > > > origin/master, origin/HEAD)
> > > > > >
> > > > > >
> > > > > > _______________________________________________
> > > > > > srslte-users mailing list
> > > > > > srslte-users at lists.softwareradiosystems.com
> > > <mailto:srslte-users at lists.softwareradiosystems.com>
> > > > <mailto:srslte-users at lists.softwareradiosystems.com
> > > <mailto:srslte-users at lists.softwareradiosystems.com>>
> > > > > <mailto:
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> > > > > <mailto:
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> > > --
> > > Andre Puschmann
> > >
> > > Software Radio Systems (SRS)
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> > > PGP/GnuPG key: 6C42AB31
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> >
> > --
> > Andre Puschmann
> >
> > Software Radio Systems (SRS)
> > http://www.softwareradiosystems.com
> >
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> > fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31
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