[srslte-users] Internet Connectivity Extremely Slow

Wed Jun 17 16:16:02 UTC 2020

here is the console text for enb:

---  Software Radio Systems LTE eNodeB  ---

Reading configuration file /etc/srslte/enb.conf...

Built in Release mode using commit c892ae56b on branch master.

/home/lte/srsLTE/srsenb/src/enb_cfg_parser.cc.883: Force DL EARFCN for cell
PCI=1 to 800

Opening 1 channels in RF device=default with args=default
Soapy has found device #0: addr=1d50:6108, driver=lime, label=LimeSDR-USB
[USB 3.0] 90726074E263C, media=USB 3.0, module=FX3, name=LimeSDR-USB,
serial=00090726074E263C,
Selecting Soapy device: 0
[INFO] Make connection: 'LimeSDR-USB [USB 3.0] 90726074E263C'
[INFO] Reference clock 30.72 MHz
[INFO] Device name: LimeSDR-USB
[INFO] Reference: 30.72 MHz
[INFO] LMS7002M calibration values caching Disable
Setting up Rx stream with 1 channel(s)
Setting up Tx stream with 1 channel(s)
Available device sensors:
 - clock_locked
 - lms7_temp
Available sensors for Rx channel 0:
 - lo_locked
[INFO] Tx calibration finished
[INFO] Rx calibration finished
State of gain elements for Rx channel 0 (AGC not supported):
 - TIA: 9.00 dB
 - LNA: 30.00 dB
 - PGA: -4.00 dB
State of gain elements for Tx channel 0 (AGC not supported):
 - PAD: 45.00 dB
 - IAMP: 0.00 dB
Rx antenna set to LNAL
Tx antenna set to BAND1

==== eNodeB started ===
Type <t> to view trace
Setting frequency: DL=1950.0 Mhz, UL=1870.0 MHz for cc_idx=0
[WARNING] L
[WARNING] L
LRACH:  tti=9891, preamble=39, offset=0, temp_crnti=0x46
RACH:  tti=4181, preamble=28, offset=0, temp_crnti=0x47
Disconnecting rnti=0x46.
RACH:  tti=4851, preamble=22, offset=0, temp_crnti=0x48
Disconnecting rnti=0x48.
RACH:  tti=5021, preamble=17, offset=0, temp_crnti=0x49
Disconnecting rnti=0x47.
RACH:  tti=6681, preamble=16, offset=0, temp_crnti=0x4a
Disconnecting rnti=0x4a.
RACH:  tti=6831, preamble=14, offset=0, temp_crnti=0x4b
Disconnecting rnti=0x49.
RACH:  tti=8351, preamble=32, offset=0, temp_crnti=0x4c
Disconnecting rnti=0x4c.
RACH:  tti=8501, preamble=20, offset=0, temp_crnti=0x4d
Disconnecting rnti=0x4b.
RACH:  tti=9661, preamble=25, offset=0, temp_crnti=0x4e
Disconnecting rnti=0x4e.
RACH:  tti=9831, preamble=16, offset=0, temp_crnti=0x4f
Disconnecting rnti=0x4d.
RACH:  tti=601, preamble=40, offset=0, temp_crnti=0x50
Disconnecting rnti=0x50.
RACH:  tti=751, preamble=1, offset=0, temp_crnti=0x51
Disconnecting rnti=0x4f.
Disconnecting rnti=0x51.
RACH:  tti=2341, preamble=13, offset=0, temp_crnti=0x52
RACH:  tti=2341, preamble=16, offset=5, temp_crnti=0x53
Disconnecting rnti=0x53.
RACH:  tti=6911, preamble=31, offset=0, temp_crnti=0x54
Disconnecting rnti=0x52.
RACH:  tti=7881, preamble=50, offset=0, temp_crnti=0x55
Disconnecting rnti=0x55.
RACH:  tti=8051, preamble=29, offset=0, temp_crnti=0x56
Disconnecting rnti=0x54.
RACH:  tti=9141, preamble=36, offset=0, temp_crnti=0x57
Disconnecting rnti=0x57.
RACH:  tti=9311, preamble=37, offset=0, temp_crnti=0x58
Disconnecting rnti=0x56.
RACH:  tti=651, preamble=17, offset=0, temp_crnti=0x59
Disconnecting rnti=0x59.
RACH:  tti=781, preamble=42, offset=0, temp_crnti=0x5a
Disconnecting rnti=0x58.
RACH:  tti=1251, preamble=25, offset=0, temp_crnti=0x5b
Disconnecting rnti=0x5a.
RACH:  tti=2721, preamble=10, offset=0, temp_crnti=0x5c
Disconnecting rnti=0x5c.
RACH:  tti=2891, preamble=29, offset=0, temp_crnti=0x5d
Disconnecting rnti=0x5b.
Disconnecting rnti=0x5d.
RACH:  tti=3031, preamble=44, offset=0, temp_crnti=0x5e
Disconnecting rnti=0x5e.
RACH:  tti=3271, preamble=24, offset=0, temp_crnti=0x5f
RACH:  tti=7801, preamble=16, offset=0, temp_crnti=0x60
Disconnecting rnti=0x5f.
RACH:  tti=8451, preamble=6, offset=0, temp_crnti=0x61
Disconnecting rnti=0x61.
RACH:  tti=8621, preamble=47, offset=0, temp_crnti=0x62
Disconnecting rnti=0x60.
RACH:  tti=9361, preamble=50, offset=0, temp_crnti=0x63
Disconnecting rnti=0x63.
RACH:  tti=9531, preamble=49, offset=0, temp_crnti=0x64
Disconnecting rnti=0x62.
RACH:  tti=121, preamble=27, offset=0, temp_crnti=0x65
Disconnecting rnti=0x65.
RACH:  tti=291, preamble=1, offset=0, temp_crnti=0x66
Disconnecting rnti=0x64.
RACH:  tti=1221, preamble=45, offset=0, temp_crnti=0x67
Disconnecting rnti=0x67.
RACH:  tti=1371, preamble=35, offset=0, temp_crnti=0x68
Disconnecting rnti=0x66.
libusb: error [udev_hotplug_event] ignoring udev action bind
[WARNING] L
libusb: error [udev_hotplug_event] ignoring udev action bind
libusb: error [udev_hotplug_event] ignoring udev action bind
RACH:  tti=8301, preamble=47, offset=0, temp_crnti=0x69
Disconnecting rnti=0x69.
RACH:  tti=8401, preamble=22, offset=0, temp_crnti=0x6a
Disconnecting rnti=0x68.
RACH:  tti=9701, preamble=25, offset=0, temp_crnti=0x6b
Disconnecting rnti=0x6b.
RACH:  tti=9911, preamble=11, offset=29, temp_crnti=0x6c
RACH:  tti=9911, preamble=19, offset=0, temp_crnti=0x6d
RACH:  tti=9911, preamble=28, offset=15, temp_crnti=0x6e
Disconnecting rnti=0x6c.
Disconnecting rnti=0x6e.
Disconnecting rnti=0x6a.
Disconnecting rnti=0x6d.
RACH:  tti=10111, preamble=43, offset=0, temp_crnti=0x6f
RACH:  tti=831, preamble=43, offset=0, temp_crnti=0x70
Disconnecting rnti=0x6f.
RACH:  tti=1331, preamble=35, offset=0, temp_crnti=0x71
Disconnecting rnti=0x70.
RACH:  tti=2111, preamble=10, offset=0, temp_crnti=0x72
Disconnecting rnti=0x71.
RACH:  tti=4951, preamble=2, offset=0, temp_crnti=0x73
Disconnecting rnti=0x72.
RACH:  tti=5741, preamble=6, offset=0, temp_crnti=0x74
Disconnecting rnti=0x74.
RACH:  tti=5871, preamble=22, offset=0, temp_crnti=0x75
Disconnecting rnti=0x73.
RACH:  tti=7751, preamble=43, offset=0, temp_crnti=0x76
Disconnecting rnti=0x76.
RACH:  tti=7921, preamble=8, offset=0, temp_crnti=0x77
Disconnecting rnti=0x75.
RACH:  tti=9011, preamble=47, offset=0, temp_crnti=0x78
Disconnecting rnti=0x78.
RACH:  tti=9201, preamble=29, offset=0, temp_crnti=0x79
Disconnecting rnti=0x77.
RACH:  tti=3471, preamble=17, offset=0, temp_crnti=0x7a
Disconnecting rnti=0x79.
RACH:  tti=8001, preamble=10, offset=0, temp_crnti=0x7b
Disconnecting rnti=0x7a.
RACH:  tti=9211, preamble=2, offset=0, temp_crnti=0x7c
Disconnecting rnti=0x7c.
RACH:  tti=9381, preamble=29, offset=0, temp_crnti=0x7d
Disconnecting rnti=0x7b.
RACH:  tti=321, preamble=37, offset=0, temp_crnti=0x7e
Disconnecting rnti=0x7e.
RACH:  tti=481, preamble=21, offset=5, temp_crnti=0x7f
RACH:  tti=501, preamble=1, offset=0, temp_crnti=0x80
Disconnecting rnti=0x7f.
Disconnecting rnti=0x7d.
Disconnecting rnti=0x80.
RACH:  tti=651, preamble=22, offset=0, temp_crnti=0x81
RACH:  tti=2611, preamble=13, offset=0, temp_crnti=0x82
Disconnecting rnti=0x82.
RACH:  tti=2781, preamble=37, offset=0, temp_crnti=0x83
Disconnecting rnti=0x81.
RACH:  tti=7311, preamble=12, offset=0, temp_crnti=0x84
Disconnecting rnti=0x83.
RACH:  tti=8341, preamble=43, offset=0, temp_crnti=0x85
Disconnecting rnti=0x85.
RACH:  tti=8471, preamble=35, offset=0, temp_crnti=0x86
Disconnecting rnti=0x84.
User 0x86 connected
SCTP Association Shutdown. Association: 0
connect(): Connection refused
Failed to initiate SCTP socket. Attempting reconnection in 10 seconds
<<<this is where i hit ctrl-c to kill the scan

On Wed, Jun 17, 2020 at 11:51 AM Francisco Paisana <
francisco.paisana at softwareradiosystems.com> wrote:

> Something seems wrong with your UL channel. The SNR quickly drops to zero.
> Can you also send the enb console text?
>
> Kind Regards,
> Francisco
>
>
> On Wed, Jun 17, 2020 at 3:32 PM Bennett Gogarty <thetanu861 at gmail.com>
> wrote:
>
>> Here are the logs for the epc and enb. I'm not using the srsue software,
>> I have a Samsung S7 Edge connected the enb. Has this software been
>> successfully tested against Samsung devices?
>>
>> On Wed, Jun 17, 2020 at 6:46 AM Francisco Paisana <
>> francisco.paisana at softwareradiosystems.com> wrote:
>>
>>> Hey Bennett,
>>>
>>> Can you send the enb/epc/ue logs at info level?
>>>
>>> Kind Regards,
>>> Francisco
>>>
>>>
>>> On Wed, Jun 17, 2020 at 11:16 AM Bennett Gogarty <thetanu861 at gmail.com>
>>> wrote:
>>>
>>>> Hello All,
>>>>
>>>> I have a phone connected to srsENB and I pull an IP address. I can ping
>>>> both the gateway and 8.8.8.8, but it is extremely slow. When I ping either
>>>> the GW or DNS I will get about two responses in about 10 minutes. Has
>>>> anyone else out there experienced this issue? I am connected in with no
>>>> issues, I just can't browse out to the internet due to the slowness. Any
>>>> workarounds or other ideas I can try?
>>>> _______________________________________________
>>>> srslte-users mailing list
>>>> srslte-users at lists.softwareradiosystems.com
>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>
>>>
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