<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> Hi Aleksander,</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> <br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> cool that the setup has been useful for your debugging <span id="🙂">🙂</span></div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> <span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">I have 4 other Huawei models (3 of them are E352 variants) and an Alcatel. </span><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">I will test your branch this afternoon with these modems and give you some feedback.</span><br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> <br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> Louis-Alexis</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </div> </div> <div id="appendonsend"></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Aleksander Morgado <aleksander@aleksander.es><br> <b>Sent:</b> 12 August 2020 13:33<br> <b>To:</b> Louis-Alexis Eyraud <louis-alexis.eyraud@sigfox.com><br> <b>Cc:</b> ModemManager (development) <modemmanager-devel@lists.freedesktop.org><br> <b>Subject:</b> Re: Help on an invalid modem case</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt;"> <div class="PlainText">Hey Louis-Alexis,<br> <br> > sorry for the delay, I was on holiday the past weeks.<br> > I've retrieved the "faulty" 3G modem device from my office. For information, the exact model is Huawei e352u-21 (other e352 variants I tested do not seem to provoke the issue).<br> ><br> > I did a more standard setup at home to reproduce it: a RPI3 with Raspbian, ModemManager compiled from sources and various system configuration tweaks to force broadband management.<br> > The setup also allowed me to verify that in CDC mode, it does not appear.<br> ><br> > If you need to do some debug or test a fix for any of the two bugs you opened, feel free to contact me privately to give you access to this setup.<br> ><br> <br> Thanks for the access to your remote setup, that was very helpful.<br> <br> I've prepared a branch with several changes, including a big<br> GETPORTMODE logic upgrade:<br> <a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fmobile-broadband%2FModemManager%2F-%2Fmerge_requests%2F335&data=02%7C01%7Clouis-alexis.eyraud%40sigfox.com%7Cbacaf731dae04aa2223b08d83eb39687%7Cfcbc8bb1061e4b949f703ad917b0c8d3%7C0%7C0%7C637328288328929987&sdata=dniU3Yh%2BUKCJc6jOMC02yfRLPI50MX0uWUBpsGzEP2k%3D&reserved=0">https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fmobile-broadband%2FModemManager%2F-%2Fmerge_requests%2F335&data=02%7C01%7Clouis-alexis.eyraud%40sigfox.com%7Cbacaf731dae04aa2223b08d83eb39687%7Cfcbc8bb1061e4b949f703ad917b0c8d3%7C0%7C0%7C637328288328929987&sdata=dniU3Yh%2BUKCJc6jOMC02yfRLPI50MX0uWUBpsGzEP2k%3D&reserved=0</a><br> <br> This branch should solve the issues you had in the E352, please<br> confirm. Also, if you can test the branch yourself with additional<br> Huawei devices, it would be nice (please grab debug logs while doing<br> so just in case).<br> <br> -- <br> Aleksander<br> <a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Faleksander.es%2F&data=02%7C01%7Clouis-alexis.eyraud%40sigfox.com%7Cbacaf731dae04aa2223b08d83eb39687%7Cfcbc8bb1061e4b949f703ad917b0c8d3%7C0%7C0%7C637328288328929987&sdata=t%2B9zWk5LtyqymKSw83hk8xEDEFcCXOqkf3sSGPDGvlQ%3D&reserved=0">https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Faleksander.es%2F&data=02%7C01%7Clouis-alexis.eyraud%40sigfox.com%7Cbacaf731dae04aa2223b08d83eb39687%7Cfcbc8bb1061e4b949f703ad917b0c8d3%7C0%7C0%7C637328288328929987&sdata=t%2B9zWk5LtyqymKSw83hk8xEDEFcCXOqkf3sSGPDGvlQ%3D&reserved=0</a><br> </div> </span></font></div> </body> </html>