<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 3, 2017, at 7:14 AM, Jd Lyons <<a href="mailto:lyons_dj@yahoo.com" class="">lyons_dj@yahoo.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""></div><span id="cid:A7CEB4F0-CD63-485C-9CE0-71C1EBF0EBCE"><VBox.log></span><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html charset=us-ascii" class=""></div><span id="cid:AB6F982A-A5A6-4C27-8DB5-DB245E9DEB0D"><VBox.log.1></span><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html charset=us-ascii" class=""></div><span id="cid:E1082372-3FBD-4174-AA09-26B5EABBE023"><VBox.log.2></span><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><meta http-equiv="Content-Type" content="text/html charset=us-ascii" class=""></div><span id="cid:5499CF76-467D-49E3-A399-5EF24A5E6800"><VBox.log.3></span><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><br class=""></div><div class=""><br class=""></div><div class="">I also tried <span style="font-family: Menlo; font-size: 11px; background-color: rgb(255, 255, 255);" class=""> </span><span style="font-family: Menlo; font-size: 11px; background-color: rgb(255, 255, 255);" class="">VBoxManage modifyvm Tiger --hwvirtex</span><span style="font-family: Menlo; font-size: 11px; background-color: rgb(255, 255, 255);" class="">  </span><span style="font-family: Menlo; font-size: 11px; background-color: rgb(255, 255, 255);" class="">off</span><span style="font-family: Menlo; font-size: 11px; background-color: rgb(255, 255, 255);" class=""> VBoxManage modifyvm Tiger --vtxvpid</span><span style="background-color: rgb(255, 255, 255);" class=""><font face="Menlo" class=""><span style="font-size: 11px;" class="">  off, from the command line, with VBox not running, and with it running, same result as my last post.</span></font></span><div class=""><blockquote type="cite" class=""><div class="">On Feb 3, 2017, at 7:06 AM, Michal Necasek <<a href="mailto:michal.necasek@oracle.com" class="">michal.necasek@oracle.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-family: 'Times New Roman'; font-size: 12pt;" class=""><br class=""> Could you please provide a VBox.log? You can just attach it to the e-mail. That will tell us what's going on.<br class=""><br class="">       Regards,<br class="">          Michal<br class=""><br class="">----- Original Message -----<br class="">From:<span class="Apple-converted-space"> </span><a href="mailto:lyons_dj@yahoo.com" class="">lyons_dj@yahoo.com</a><br class="">To:<span class="Apple-converted-space"> </span><a href="mailto:vbox-dev@virtualbox.org" class="">vbox-dev@virtualbox.org</a><br class="">Sent: Friday, February 3, 2017 12:46:46 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna<br class="">Subject: [vbox-dev] (Bug?)VT-Bit<br class=""><br class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I changed my CPU from one that supports VT-x to one that doesn’t, now none of my virtual machines will run<div class=""><br class=""></div><div class=""><div style="margin: 0px;" class="">Failed to open a session for the virtual machine<span class="Apple-converted-space"> </span><b class="">Tiger</b>.</div><div style="margin: 0px;" class="">VT-x is not available (VERR_VMX_NO_VMX).</div><table class="" width="100%" cellspacing="0" cellpadding="0" border="0" bgcolor="#EEEEEE"><tbody class=""><tr class=""><td class="">Result Code:<span class="Apple-converted-space"> </span></td><td class=""><tt class="">NS_ERROR_FAILURE (0x80004005)</tt></td></tr><tr class=""><td class="">Component:<span class="Apple-converted-space"> </span></td><td class="">ConsoleWrap</td></tr><tr class=""><td class="">Interface:<span class="Apple-converted-space"> </span></td><td class="">IConsole {872da645-4a9b-1727-bee2-5585105b9eed}</td></tr></tbody></table><br class=""></div><div class="">I edited the .vbox-prev of the virtual machines, and added:</div><div class=""><br class=""></div><div class=""><HardwareVirtEx enabled=“false”/></div><div class=""><br class=""></div><div class="">But every time I launch VB, it overwrites the settings, removes <HardwareVirtEx enabled=“false”/>.</div><div class=""><br class=""></div><div class="">I can’t access the Acceleration tab in VB, it’s greyed out, but it must have the VT-x checkbox checked?</div><div class=""><br class=""></div><div class="">Is there some preference file I need to delete?</div><div class=""><br class=""></div><div class="">macOS Sierra 10.12.2</div><div class=""><br class=""></div><div class="">VB 5.1.14 r112924 (Qt5.6.2)  </div></div></div></div></blockquote></div><br class=""></div></div></div></blockquote></div><br class=""></body></html>