<div dir="ltr">I would rather not hijack this thread with rpi specific issues. I will investigate further as from tomorrow, truth is panics started happening since i updated to the latest kern &amp; picode.</div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Sep 29, 2014 at 2:02 PM, Giovanni Maruzzelli <span dir="ltr">&lt;<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Kernel panics have probably to do with drivers, udev and kernel versions...</p>
<p dir="ltr">What distro, kernel, drivers, udev, etc uses when successful and when panics?</p>
<p dir="ltr">Please you all, list them here...<br><br><br><br></p>
<p dir="ltr">Sent from Mobile</p>
<p dir="ltr">Giovanni Maruzzelli<br>
+39 347 266 56 18</p>
<div class="gmail_quote"><div><div class="h5">On Sep 29, 2014 2:00 PM, &quot;Daniel Ivanov&quot; &lt;<a href="mailto:sertys@gmail.com" target="_blank">sertys@gmail.com</a>&gt; wrote:<br type="attribution"></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">I also use a hub with external power supply, but that hardly cures the problem. On a normal x64 system, i seldom get usb errors, but the kernel doesn&#39;t panic. On the Pi i get the same bus or mem errors and it panics to need restart.</div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Sep 29, 2014 at 12:17 PM, Giovanni Maruzzelli <span dir="ltr">&lt;<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">nice!!!<br><br><br></div><div class="gmail_extra"><span><br clear="all"><div>Sincerely,<br><br>Giovanni Maruzzelli<br>Cell : <a href="tel:%2B39-347-2665618" value="+393472665618" target="_blank">+39-347-2665618</a><br></div>
<br></span><div class="gmail_quote"><div><div>On Mon, Sep 29, 2014 at 12:14 PM, rumodigital <span dir="ltr">&lt;<a href="mailto:webmaster.rumodigital@gmail.com" target="_blank">webmaster.rumodigital@gmail.com</a>&gt;</span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div class="gmail_default"><div class="gmail_default"><font face="verdana, sans-serif">I decided not to add more than five to avoid heat and maintain stability, so working with a margin of safety devices and distance to allow for ventilation. </font></div><div class="gmail_default"><font face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font face="verdana, sans-serif">Not heats and works very well.</font></div></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>2014-09-29 11:01 GMT+01:00 Giovanni Maruzzelli <span dir="ltr">&lt;<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>&gt;</span>:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div><div>seems a good one, with power enough to add another additional dongle, for a total of 5 concurrent.<br><br></div>Do it get too much warm?<br><br></div>-giovanni<br></div><div class="gmail_extra"><span><br clear="all"><div>Sincerely,<br><br>Giovanni Maruzzelli<br>Cell : <a href="tel:%2B39-347-2665618" value="+393472665618" target="_blank">+39-347-2665618</a><br></div>
<br></span><div class="gmail_quote"><div><div>On Mon, Sep 29, 2014 at 11:57 AM, rumodigital <span dir="ltr">&lt;<a href="mailto:webmaster.rumodigital@gmail.com" target="_blank">webmaster.rumodigital@gmail.com</a>&gt;</span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div class="gmail_default"><div class="gmail_default"><font face="verdana, sans-serif">Hi Giovanni,</font></div><div class="gmail_default"><font face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font face="verdana, sans-serif">I&#39;m in the testing phase in a Mini ITX board (Atom D2550 + debian 7.6 32b) and DUB-H7 USB HUB​. I use 4 devices simultaneously (4x 500ma = 2A) and yet everything perfect!</font></div><div class="gmail_default"><font face="verdana, sans-serif"><br></font></div><div class="gmail_default"><font face="verdana, sans-serif">7-Port USB 2.0 Hub (500ma on all seven front ports, but 3A in total)</font></div><div class="gmail_default"><font face="verdana, sans-serif"><a href="http://www.dlink.com/uk/en/home-solutions/connect/usb/dub-h7-7-port-usb-2-0-hub" target="_blank">http://www.dlink.com/uk/en/home-solutions/connect/usb/dub-h7-7-port-usb-2-0-hub</a></font></div><div class="gmail_default"><span style="font-family:verdana,sans-serif"><br></span></div><div class="gmail_default"><font face="verdana, sans-serif">Do you recommend some other HUB?</font><br></div><div class="gmail_default"><span style="font-family:verdana,sans-serif"><br></span></div><div class="gmail_default"><span style="font-family:verdana,sans-serif">Doug</span><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">2014-09-29 10:23 GMT+01:00 Giovanni Maruzzelli <span dir="ltr">&lt;<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>&gt;</span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>all this kind of problems come from lack of USB bus electrical power. <br><br>Use a wall powered (eg: with a &quot;brick&quot; power supply) USB hub between FreeSWITCH and dongle. <br><br></div>No software way to go around this.<br><br></div>And be sure the hub deliver enough power! (check the specs for your dongles power needs, add them up and use an USB hub with more than that continous power delivery).<br><br></div><div>Internet dongles are power hungry !<br></div><div><br></div>-giovanni<br><br><div class="gmail_extra"><br clear="all"><div>Sincerely,<br><br>Giovanni Maruzzelli<br>Cell : <a href="tel:%2B39-347-2665618" value="+393472665618" target="_blank">+39-347-2665618</a><br></div>
<br><div class="gmail_quote"><div><div>On Mon, Sep 29, 2014 at 11:12 AM, rumodigital <span dir="ltr">&lt;<a href="mailto:webmaster.rumodigital@gmail.com" target="_blank">webmaster.rumodigital@gmail.com</a>&gt;</span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div class="gmail_default"><span style="font-family:verdana,sans-serif">Hi,</span></div><div class="gmail_default"><span style="font-family:verdana,sans-serif"><br></span></div><div class="gmail_default"><span style="font-family:verdana,sans-serif">Really, can be a major headache, many problems can be solved with the use of a self powered USB hub... yet I had no problems, but for example</span><span style="font-family:verdana,sans-serif">, </span><font face="verdana, sans-serif">I tested with an old pc I have, and when he received a call the module disconnected and blocked the USB port.</font></div><div class="gmail_default"><span style="font-family:verdana,sans-serif"><br></span></div><div class="gmail_default"><span style="font-family:verdana,sans-serif">Which versions of Pi and what model of hardware that use?</span></div><div class="gmail_default"><span style="font-family:verdana,sans-serif"><br></span></div><div class="gmail_default"><span style="font-family:verdana,sans-serif">Doug</span></div></div>
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