[srslte-users] Network Attach Failures on 21.04 SRSUE

[Andre Puschmann]

Hey,

please provide full logs and PCAP so we can see where it hangs.

Thanks
Andre

On 8/7/21 17:40, Efosa Ibizugbe wrote:
> Hi,
> Since switching to the 21.04 UE software, I've observed several
> Authentication failures, and a few successes using the same eNB and Core
> Network (both Nokia).
> Please see below:
> 
> Built in Release mode using commit 1c6dd8c4a on branch HEAD.
> 
> Opening 1 channels in RF device=UHD with args=type=x300
> Opening USRP channels=1, args: type=x300,master_clock_rate=184.32e6
> -- X300 initialization sequence...
> -- Determining maximum frame size... 8000 bytes.
> -- Setup basic communication...
> -- Loading values from EEPROM...
> -- Setup RF frontend clocking...
> -- Radio 1x clock:184.32
> -- Initialize Radio0 control...
> -- Performing register loopback test... pass
> -- Initialize Radio1 control...
> -- Performing register loopback test... pass
> Waiting PHY to initialize ... done!
> Attaching UE...
> .
> Found Cell:  Mode=FDD, PCI=204, PRB=100, Ports=2, CFO=-0.7 KHz
> Found PLMN:  Id=26299, TAC=1
> Random Access Transmission: seq=18, tti=661, ra-rnti=0x2
> Random Access Transmission: seq=20, tti=681, ra-rnti=0x2
> Random Access Complete.     c-rnti=0xde82, ta=3
> RRC Connected
> 
> From the logs above, we stop at RRC Connected, and do not proceed to
> Network Attachmost of the time, only occasionally.
> Since nothing has changed on the Ue SIM configuration, eNB or gNB
> settings, except the use of new UE software - 21.04 can you assist with
> this issue?
> 
> thanks,
> Efosa.
> 
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