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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">I have false posted to the app-devel group before, so here is the updated version:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have successfully compiled and installed usb_modeswitch, Networkmanager and ModemMager on snappy Ubuntu for Raspberry in order to get a 3G stick to work.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">3G connections work well and I am almost happy with the setup, but there is one problem:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">When I disconnect the 3G stick from the Raspberry while it is connected to the internet, it will produce an infinite loop of:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">option_instat_callback: error -71<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">This could of course happen with power failure, etc,... so I have to fix this problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have read through various forum posts and I could not find any fix. When I tested the same on an Ubuntu machine, it seemed to work more gracefully and the USB device<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">was detached successfully. What kind of USB driver is snappy ubuntu using?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have now found this commit: <a href="http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=f551e13529833e052f75ec628a8af7b034af20f9">
http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=f551e13529833e052f75ec628a8af7b034af20f9</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">which seems to describe the problem pretty well and I am wondering what steps I would have to take to recompile the kernel / some driver, to include this patch.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">My snappy image is: ubuntu-15.04-snappy-armhf-raspi2.img<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#5E5E5E;mso-fareast-language:DE">Marius Heil</span></b><span style="mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#7F7F7F;mso-fareast-language:DE">Software Engineer<br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#7F7F7F;mso-fareast-language:DE"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#7F7F7F;mso-fareast-language:DE">M-Way Solutions GmbH<br>
</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#7F7F7F;mso-fareast-language:DE"><br>
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Firmenanschrift</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#989898;mso-fareast-language:DE">:</span><span style="mso-fareast-language:DE"><br>
</span><span style="mso-fareast-language:DE">Stresemannstrasse 79</span><span style="mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black;mso-fareast-language:DE">D-70191 Stuttgart</span><span style="color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black;mso-fareast-language:DE">Tel: +49 151 22867416</span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black;mso-fareast-language:DE"><br>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#6C6C6C;mso-fareast-language:DE">Geschäftsführer: Volker Hahn, Richard Malley</span><span style="color:black;mso-fareast-language:DE"><o:p></o:p></span></p>
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