<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Feb 12, 2018 at 6:57 PM, Jon bae <span dir="ltr"><<a href="mailto:jonbae77@gmail.com" target="_blank">jonbae77@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div>A little update:<br></div>I found out that I have to activate <b><span class="gmail-m_1914463652878948840gmail-gwt-CheckBox" style="border-style:none">Hostdev Passthrough</span></b><span class="gmail-m_1914463652878948840gmail-gwt-CheckBox" style="border-style:none"> (is this really necessary for USB devices?). Now I see all the devices and I can add also an USB device.<br></span></div></div></blockquote><div><br></div><div>Theoretically, no, it is not needed.</div><div>Practically, it is needed in previous versions of 4.2 due to a bug that would be solved in the upcoming version of 4.2 [1].</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><span class="gmail-m_1914463652878948840gmail-gwt-CheckBox" style="border-style:none"></span></div><span class="gmail-m_1914463652878948840gmail-gwt-CheckBox" style="border-style:none">But I'm still not able to disconnect the USB from the old VM.<br></span></div></blockquote><div><br></div><div>Yep, that's another bug that would be solved in the upcoming version of 4.2 [2].</div><div><br></div><div>[1] <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1548344">https://bugzilla.redhat.com/show_bug.cgi?id=1548344</a></div><div>[2] <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1557777">https://bugzilla.redhat.com/show_bug.cgi?id=1557777</a></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><span class="gmail-m_1914463652878948840gmail-gwt-CheckBox" style="border-style:none"></span><div><div class="gmail-h5"><div><div><div><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Jon bae</b> <span dir="ltr"><<a href="mailto:jonbae77@gmail.com" target="_blank">jonbae77@gmail.com</a>></span><br>Date: 2018-02-12 16:14 GMT+01:00<br>Subject: Can't add/remove usb device to VM<br>To: users <<a href="mailto:users@ovirt.org" target="_blank">users@ovirt.org</a>><br><br><br><div dir="ltr"><div><div><div><div><div><div><div><div>Hello,<br></div>I run oVirt 4.2.1, in 4.1 I added a USB device to a VM and now I wanted to change this device to a different VM.<br></div>But I found out, that I'm not able to remove this device nor I'm able to add any device to any VM. The device list is empty.<br><br></div>I found a bug report, what describe this error:<br><a href="https://bugzilla.redhat.com/show_bug.cgi?id=1531847" target="_blank">https://bugzilla.redhat.com/sh<wbr>ow_bug.cgi?id=1531847</a><br><br></div>Is there a solution for that? <br><br></div>The USB device is a hardware dongle and it is very impotent for us to change this. </div></div></div></div></div></div></div></div></div></div></div></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div class="gmail-h5"><div><div><div><div class="gmail_quote"><div dir="ltr"><div><div><div><br></div>Any workaround is welcome!<br></div></div></div></div></div></div></div></div></div></div></blockquote><div><br></div><div>If you can't wait for the upcoming version of 4.2 you can try removing it manually by manipulating the database (assuming there is only one host device attached to the VM):</div><div><br></div><div>(1) delete from vm_device where vm_id in (select vm_guid from vm_static where vm_name='<vm name>') and type='hostdev';</div><div>(2) update host_device set vm_id = NULL where vm_id in (select vm_guid from vm_static where vm_name='<vm name>');</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div class="gmail-h5"><div><div><div><div class="gmail_quote"><div dir="ltr"><div><div><br></div>Regards<br><br></div>Jonathan <br></div>
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