<div dir="ltr"><div>FYI</div><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Gustavo Duarte</b> <span dir="ltr"><<a href="mailto:gus.duarte@gmail.com" target="_blank">gus.duarte@gmail.com</a>></span><br>Date: Thu, Oct 16, 2014 at 10:58 AM<br>Subject: usb 3.0 support on Linux<br>To: Squeak Virtual Machine Development Discussion <<a href="mailto:vm-dev@lists.squeakfoundation.org" target="_blank">vm-dev@lists.squeakfoundation.org</a>><br><br><br><div dir="ltr">Hey guys,<div><br></div><div>I'm having troubles with enchanting application (<a href="http://enchanting.robotclub.ab.ca/Enchanting+On+Linux" target="_blank">http://enchanting.robotclub.ab.ca/Enchanting+On+Linux</a>), as you know based on squeak. In particular the problem is, running Enchanting on Ubuntu 12.04 and squeak-vm 4.10, the frontend isn't detect the presence of the Lego Brick when is connected through USB port.</div><div><br></div><div>I guess that the problem is the type of USB port, because when use Enchanting on a PC with USB 2.0 with the same software environment, Ubuntu 12.04 + squeak-vm +Enchanting version, all work fine.</div><div><br></div><div>However when i try on a PC with USB 3.0 the frontend isn't detecte the brick.</div><div><br></div><div>Other additional information, Ubuntu 12.04 use for USB 2.0 <font face="arial, helvetica, sans-serif">ehci-pci driver module and for 3.0 use xhci_hcd.</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">So my guess is, could be some incompatibility with xhci_hcd driver module.</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">My question is, where I can start to find this issue, on squeak-vm or on enchanting image ?</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">Where is handle the usb connection on squeak-vm or at image level ?</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">Thanks in advance.</font></div><span><font color="#888888"><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">Gustavo.</font></div></font></span></div>
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