<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="CS" link="#0563C1" vlink="#954F72"> <div class="WordSection1"> Hello everyone,<o:p></o:p> I would like to report a small bug into bearer’s connection on TOBY-L210. Here follows the information about my hardware (from mmcli):<o:p></o:p> <o:p> </o:p> root@zynq7:~# ModemManager --version<o:p></o:p> <o:p> </o:p> ModemManager 1.8.2<o:p></o:p> Copyright (C) 2008-2017 The ModemManager authors<o:p></o:p> License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html><o:p></o:p> This is free software: you are free to change and redistribute it.<o:p></o:p> There is NO WARRANTY, to the extent permitted by law.<o:p></o:p> <o:p> </o:p> root@zynq7:~# mmcli -m 0<o:p></o:p> <o:p> </o:p> /org/freedesktop/ModemManager1/Modem/0 (device id '9be611a4f382a582972f20fa86efbaa8f6b02918')<o:p></o:p> -------------------------<o:p></o:p> Hardware | manufacturer: 'u-blox'<o:p></o:p> | model: 'TOBY-L210'<o:p></o:p> | revision: '15.63'<o:p></o:p> | H/W revision: 'unknown'<o:p></o:p> | supported: 'gsm-umts, lte'<o:p></o:p> | current: 'gsm-umts, lte'<o:p></o:p> | equipment id: '############'<o:p></o:p> -------------------------<o:p></o:p> System | device: '/sys/devices/soc0/amba/e0002000.usb/ci_hdrc.0/usb1/1-1/1-1.2'<o:p></o:p> | drivers: 'cdc_acm, cdc_ether'<o:p></o:p> | plugin: 'u-blox'<o:p></o:p> | primary port: 'ttyACM1'<o:p></o:p> | ports: 'ttyACM1 (at), ttyACM0 (at), wwan0 (net), ttyACM2 (at)'<o:p></o:p> -------------------------<o:p></o:p> Numbers | own : 'unknown'<o:p></o:p> -------------------------<o:p></o:p> Status | lock: 'none'<o:p></o:p> | unlock retries: 'sim-pin (3), sim-pin2 (3), sim-puk (10), sim-puk2 (10)'<o:p></o:p> | state: 'enabled'<o:p></o:p> | power state: 'on'<o:p></o:p> | access tech: 'unknown'<o:p></o:p> | signal quality: '40' (recent)<o:p></o:p> -------------------------<o:p></o:p> Modes | supported: 'allowed: 2g; preferred: none<o:p></o:p> | allowed: 2g, 3g; preferred: none<o:p></o:p> | allowed: 2g, 3g; preferred: 2g<o:p></o:p> | allowed: 2g, 3g; preferred: 3g<o:p></o:p> | allowed: 3g; preferred: none<o:p></o:p> | allowed: 4g; preferred: none<o:p></o:p> | allowed: 2g, 3g, 4g; preferred: none<o:p></o:p> | allowed: 2g, 3g, 4g; preferred: 2g<o:p></o:p> | allowed: 2g, 3g, 4g; preferred: 3g<o:p></o:p> | allowed: 2g, 3g, 4g; preferred: 4g<o:p></o:p> | allowed: 2g, 4g; preferred: none<o:p></o:p> | allowed: 2g, 4g; preferred: 2g<o:p></o:p> | allowed: 2g, 4g; preferred: 4g<o:p></o:p> | allowed: 3g, 4g; preferred: none<o:p></o:p> | allowed: 3g, 4g; preferred: 3g<o:p></o:p> | allowed: 3g, 4g; preferred: 4g'<o:p></o:p> | current: 'allowed: 2g, 3g, 4g; preferred: 4g'<o:p></o:p> -------------------------<o:p></o:p> Bands | supported: 'egsm, dcs, pcs, g850, utran-1, utran-3, utran-4, utran-6, utran-5, utran-8, utran-2, utran-7, eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, eutran-8, eutran-11, eutran-13, eutran-17, eutran-20, utran-11'<o:p></o:p> | current: 'egsm, dcs, pcs, g850, utran-3, utran-5, utran-8, utran-2, eutran-2, eutran-3, eutran-5, eutran-8'<o:p></o:p> -------------------------<o:p></o:p> IP | supported: 'ipv4, ipv6, ipv4v6'<o:p></o:p> -------------------------<o:p></o:p> 3GPP | imei: '############'<o:p></o:p> | enabled locks: 'none'<o:p></o:p> | operator id: 'unknown'<o:p></o:p> | operator name: 'unknown'<o:p></o:p> | subscription: 'unknown'<o:p></o:p> | registration: 'unknown'<o:p></o:p> | EPS UE mode: 'csps-2'<o:p></o:p> -------------------------<o:p></o:p> SIM | path: '/org/freedesktop/ModemManager1/SIM/0'<o:p></o:p> <o:p> </o:p> -------------------------<o:p></o:p> Bearers | paths: 'none'<o:p></o:p> <o:p> </o:p> While it is in a router mode and uses ethernet-over-usb interface, I’ve noticed that when I connect to the bearer, the credentials are swapped in AT+UAUTHREQ command. The order of user and password is not correct, at least in accordance with TOBY-L2 AT commands manual. You could see it in the log below.<o:p></o:p> <o:p> </o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1) device open count is 2 (open)<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): --> 'AT+CIND?<CR>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): <-- '<CR><LF>+CIND: 5,2,0,0,0,0,1,0,1,0,0,1<CR><LF>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): <-- '<CR><LF>OK<CR><LF>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Modem /org/freedesktop/ModemManager1/Modem/0: signal quality updated (40)<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Periodic signal quality checks scheduled in 30s<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1) device open count is 1 (close)<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Connecting bearer '/org/freedesktop/ModemManager1/Bearer/0'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -><o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Launching 3GPP connection attempt with APN 'testapn'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Looking for best CID...<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1) device open count is 2 (open)<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): --> 'AT+CGDCONT?<CR>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): <-- '<CR><LF>+CGDCONT: 1,"IP","testapn","",0,0,0,0,0,0<CR><LF>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): <-- '<CR><LF>OK<CR><LF>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Found '1' PDP contexts<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> PDP context [cid=1] [type='ipv4'] [apn='testapn']<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Found PDP context with CID 1 and PDP type ipv4 for APN 'testapn'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> Using CHAP authentication method<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> setting up authentication preferences in PDP context #1...<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1) device open count is 3 (open)<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1) device open count is 2 (close)<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): --> 'AT+UAUTHREQ=1,2,"testpassword","testuser"<CR>'<o:p></o:p> Oct 26 17:13:19 zynq7 ModemManager[10016]: <debug> (ttyACM1): <-- '<CR><LF>OK<CR><LF>'<o:p></o:p> <o:p> </o:p> The credentials were set in the following way:<o:p></o:p> <o:p> </o:p> root@zynq7:~# mmcli -m 0 --create-bearer='apn=testapn,ip-type=ipv4,allowed-auth=chap,password=testpassword,user=testuser,allow-roaming=true'<o:p></o:p> Successfully created new bearer in modem:<o:p></o:p> /org/freedesktop/ModemManager1/Bearer/0<o:p></o:p> root@ zynq7:~# mmcli -m 0 -b 0 <o:p></o:p> Bearer '/org/freedesktop/ModemManager1/Bearer/0'<o:p></o:p> -------------------------<o:p></o:p> Status | connected: 'no'<o:p></o:p> | suspended: 'no'<o:p></o:p> | interface: 'unknown'<o:p></o:p> | IP timeout: '20'<o:p></o:p> -------------------------<o:p></o:p> Properties | apn: 'testapn'<o:p></o:p> | roaming: 'allowed'<o:p></o:p> | IP type: 'ipv4'<o:p></o:p> | user: 'testuser'<o:p></o:p> | password: 'testpassword'<o:p></o:p> | number: 'none'<o:p></o:p> | Rm protocol: 'unknown'<o:p></o:p> -------------------------<o:p></o:p> IPv4 configuration | method: 'unknown'<o:p></o:p> -------------------------<o:p></o:p> IPv6 configuration | method: 'unknown'<o:p></o:p> -------------------------<o:p></o:p> Stats | Duration: '0'<o:p></o:p> | Bytes received: 'N/A'<o:p></o:p> | Bytes transmitted: 'N/A'<o:p></o:p> <o:p> </o:p> If, however, If I put the values otherwise (user=testpassword and password=testuser) in the mmcli command, the connection sets up without any errors.<o:p></o:p> <o:p> </o:p> I did not find another place for bug reporting, so I am sending it here. Thank you in advance for an attention.<o:p></o:p> <o:p> </o:p> Kind regards,<o:p></o:p> <o:p> </o:p> Maxim Baryshnikov.<o:p></o:p> <o:p> </o:p> </div> </body> </html>