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  <body text="#000000" bgcolor="#ffffff"><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">I enter a root session with "sudo su" and then launch the binary. Simply running the binary with sudo seems to produce the same results.</div></div><div dir="ltr"><hr><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">From: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:max@kamax.io">Maxime Dor</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">‎23/‎04/‎2016 17:37</span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:vbox-dev@virtualbox.org">vbox-dev@virtualbox.org</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Subject: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">Re: [vbox-dev] VirutalBox XPCOM interface as root</span><br><br></div>
    Do you actually run as a complete root session, or with sudo?<br>
    <br>
    <div class="moz-cite-prefix">On 23/04/16 16:05, Rūdolfs Bundulis
      wrote:<br>
    </div>
    <blockquote cite="mid:CAHtFw605dxgHNWe7yhVwKX4vnt2rCjzVQQdHy5wQro9rgpN15A@mail.gmail.com" type="cite">
      <div dir="ltr">I removed the virtual machines to exclude that as a
        source of error. Now running my program that tries to launch a
        VM called Xubuntu fails as expected when non-root (the API tells
        there is no such machine and that shows up in the VBoxSVC.log),
        while root fails and VBoxSVC.log does not contain anything
        special. I can continue on for now working as non root, but
        eventually I need to launch my binary from a nodejs process
        which needs to be root to bind to the TCP port (I could however
        launch the slaves under other users but I'd like to sort out why
        this happens). Is there any way to enable extended logging in
        the VBoxSVC.log?
        Exporting BOXSVC_RELEASE_LOG=main.e.l.f+gui.e.l.f did not change
        anything.
        <div><br>
        </div>
        <div>Logs as non root:</div>
        <div><br>
        </div>
        <div>VBoxSVC.log:</div>
        <div>VirtualBox XPCOM Server 5.0.12 r104815 linux.amd64 (Dec 18
          2015 17:08:04) release log<br>
        </div>
        <div>
          <div>00:00:00.000218 main     Log opened
            2016-04-23T14:00:47.617485000Z</div>
          <div>00:00:00.000220 main     Build Type: release</div>
          <div>00:00:00.000222 main     OS Product: Linux</div>
          <div>00:00:00.000223 main     OS Release: 3.16.0-30-generic</div>
          <div>00:00:00.000223 main     OS Version: #40~14.04.1-Ubuntu
            SMP Thu Jan 15 17:43:14 UTC 2015</div>
          <div>00:00:00.000254 main     DMI Product Name: Z9PE-D16
            Series</div>
          <div>00:00:00.000260 main     DMI Product Version: 1.0X</div>
          <div>00:00:00.000330 main     Host RAM: 15995MB total, 15725MB
            available</div>
          <div>00:00:00.000333 main     Executable:
            /usr/lib/virtualbox/VBoxSVC</div>
          <div>00:00:00.000333 main     Process ID: 2873</div>
          <div>00:00:00.000334 main     Package type:
            LINUX_64BITS_UBUNTU_14_04</div>
          <div>00:00:00.103915 nspr-2   Home directory:
            '/home/rudolfs/.config/VirtualBox'</div>
          <div>00:00:00.104076 nspr-2   Loading settings file
            "/home/rudolfs/.config/VirtualBox/VirtualBox.xml" with
            version "1.12-linux"</div>
          <div>00:00:00.109599 nspr-2   HostDnsMonitor: old information</div>
          <div>00:00:00.109609 nspr-2     no server entries</div>
          <div>00:00:00.109614 nspr-2     no search string entries</div>
          <div>00:00:00.109616 nspr-2     no domain set</div>
          <div>00:00:00.109618 nspr-2   HostDnsMonitor: new information</div>
          <div>00:00:00.109620 nspr-2     server 1: 192.168.1.1</div>
          <div>00:00:00.109623 nspr-2     no search string entries</div>
          <div>00:00:00.109625 nspr-2     no domain set</div>
          <div>00:00:00.109630 nspr-2   HostDnsMonitorProxy::notify</div>
          <div>00:00:00.110588 nspr-2   VD: VDInit finished</div>
          <div>00:00:00.112975 nspr-2   ERROR [COM]:
            aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001)
            aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945}
            aComponent={VirtualBoxWrap} aText={Could not find a
            registered machine named 'Xubuntu'}, preserve=false
            aResultDetail=0</div>
          <div>00:00:05.612083 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED
            (0x80070005) aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945}
            aComponent={VirtualBoxWrap} aText={The object is not ready},
            preserve=false aResultDetail=0</div>
          <div>00:00:10.114131 main     {00007f6124012b80}
            HostPowerServiceLinux::~HostPowerServiceLinux:
            RTThreadWait() for 5000 ms failed with VERR_TIMEOUT</div>
          <div><br>
          </div>
          <div>My log:</div>
          <div>
            <div>[23.04.2016 17:00:47.600] === Start (PID: 2864) ===</div>
            <div>[23.04.2016 17:00:47.741]
              ../../../Sources/VirtualBoxSource/VirtualBoxSource.cpp(59):
              could not find virtual machine Xubuntu(0x80bb0001)</div>
            <div>[23.04.2016 17:00:47.754] === Stop ===</div>
          </div>
          <div><br>
          </div>
          <div>Logs as root:</div>
          <div><br>
          </div>
          <div>VBoxSVC.log:</div>
          <div>
            <div>VirtualBox XPCOM Server 5.0.12 r104815 linux.amd64 (Dec
              18 2015 17:08:04) release log</div>
            <div>00:00:00.000430 main     Log opened
              2016-04-23T14:02:52.309751000Z</div>
            <div>00:00:00.000431 main     Build Type: release</div>
            <div>00:00:00.000433 main     OS Product: Linux</div>
            <div>00:00:00.000434 main     OS Release: 3.16.0-30-generic</div>
            <div>00:00:00.000434 main     OS Version: #40~14.04.1-Ubuntu
              SMP Thu Jan 15 17:43:14 UTC 2015</div>
            <div>00:00:00.000455 main     DMI Product Name: Z9PE-D16
              Series</div>
            <div>00:00:00.000460 main     DMI Product Version: 1.0X</div>
            <div>00:00:00.000517 main     Host RAM: 15995MB total,
              15724MB available</div>
            <div>00:00:00.000520 main     Executable:
              /usr/lib/virtualbox/VBoxSVC</div>
            <div>00:00:00.000520 main     Process ID: 2902</div>
            <div>00:00:00.000521 main     Package type:
              LINUX_64BITS_UBUNTU_14_04</div>
            <div>00:00:00.103713 nspr-2   Home directory:
              '/root/.config/VirtualBox'</div>
            <div>00:00:00.103891 nspr-2   Loading settings file
              "/root/.config/VirtualBox/VirtualBox.xml" with version
              "1.12-linux"</div>
            <div>00:00:00.106584 nspr-2   Successfully initialised host
              USB using sysfs</div>
            <div>00:00:00.111953 nspr-2   HostDnsMonitor: old
              information</div>
            <div>00:00:00.111964 nspr-2     no server entries</div>
            <div>00:00:00.111968 nspr-2     no search string entries</div>
            <div>00:00:00.111971 nspr-2     no domain set</div>
            <div>00:00:00.111973 nspr-2   HostDnsMonitor: new
              information</div>
            <div>00:00:00.111976 nspr-2     server 1: 192.168.1.1</div>
            <div>00:00:00.111979 nspr-2     no search string entries</div>
            <div>00:00:00.111981 nspr-2     no domain set</div>
            <div>00:00:00.111986 nspr-2   HostDnsMonitorProxy::notify</div>
            <div>00:00:00.113053 nspr-2   VD: VDInit finished</div>
            <div>00:00:05.614453 Watcher  ERROR [COM]:
              aRC=E_ACCESSDENIED (0x80070005)
              aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945}
              aComponent={VirtualBoxWrap} aText={The object is not
              ready}, preserve=false aResultDetail=0</div>
            <div>00:00:10.124637 main     {00007f5ebc014fb0}
              HostPowerServiceLinux::~HostPowerServiceLinux:
              RTThreadWait() for 5000 ms failed with VERR_TIMEOUT</div>
          </div>
          <div><br>
          </div>
          <div>My log:</div>
          <div>
            <div>[23.04.2016 17:02:52.295] === Start (PID: 2891) ===</div>
            <div>[23.04.2016 17:02:52.433]
              ../../../Sources/VirtualBoxSource/VirtualBoxSource.cpp(31):
              failed to create VirtualBox API instance(0x80004005)</div>
            <div>[23.04.2016 17:02:52.447] === Stop ===</div>
          </div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div> </div>
        </div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">2016-04-23 15:49 GMT+03:00 Rūdolfs
          Bundulis <span dir="ltr"><<a href="mailto:rudolfs.bundulis@gmail.com" target="_blank" moz-do-not-send="true">rudolfs.bundulis@gmail.com</a>></span>:<br>
          <blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;">
            <div class="HOEnZb">
              <div class="h5">
                <div dir="ltr"><span style="font-size: 12.8px;">Thanks for
                    pointing out the location. I opened the file just
                    after the error but it did no contain anything
                    interresting:</span>
                  <div style="font-size: 12.8px;"><br>
                  </div>
                  <div style="font-size: 12.8px;">
                    <div>VirtualBox XPCOM Server 5.0.12 r104815
                      linux.amd64 (Dec 18 2015 17:08:04) release log</div>
                    <div>00:00:00.003705 main     Log opened
                      2016-04-23T12:37:03.945428000Z</div>
                    <div>00:00:00.003707 main     Build Type: release</div>
                    <div>00:00:00.003710 main     OS Product: Linux</div>
                    <div>00:00:00.003710 main     OS Release:
                      3.16.0-30-generic</div>
                    <div>00:00:00.003711 main     OS Version:
                      #40~14.04.1-Ubuntu SMP Thu Jan 15 17:43:14 UTC
                      2015</div>
                    <div>00:00:00.003739 main     DMI Product Name:
                      Z9PE-D16 Series</div>
                    <div>00:00:00.003746 main     DMI Product Version:
                      1.0X</div>
                    <div>00:00:00.003823 main     Host RAM: 15995MB
                      total, 15708MB available</div>
                    <div>00:00:00.003826 main     Executable:
                      /usr/lib/virtualbox/VBoxSVC</div>
                    <div>00:00:00.003827 main     Process ID: 2428</div>
                    <div>00:00:00.003827 main     Package type:
                      LINUX_64BITS_UBUNTU_14_04</div>
                    <div>00:00:00.110860 nspr-2   Home directory:
                      '/root/.config/VirtualBox'</div>
                    <div>00:00:00.111175 nspr-2   Loading settings file
                      "/root/.config/VirtualBox/VirtualBox.xml" with
                      version "1.12-linux"</div>
                    <div>00:00:00.117237 nspr-2   Successfully
                      initialised host USB using sysfs</div>
                    <div>00:00:00.124953 nspr-2   HostDnsMonitor: old
                      information</div>
                    <div>00:00:00.124964 nspr-2     no server entries</div>
                    <div>00:00:00.124969 nspr-2     no search string
                      entries</div>
                    <div>00:00:00.124971 nspr-2     no domain set</div>
                    <div>00:00:00.124973 nspr-2   HostDnsMonitor: new
                      information</div>
                    <div>00:00:00.124975 nspr-2     server 1:
                      192.168.1.1</div>
                    <div>00:00:00.124978 nspr-2     no search string
                      entries</div>
                    <div>00:00:00.124980 nspr-2     no domain set</div>
                    <div>00:00:00.124984 nspr-2  
                      HostDnsMonitorProxy::notify</div>
                    <div>00:00:00.130331 nspr-2   VD: VDInit finished</div>
                    <div>00:00:00.140840 nspr-2   Loading settings file
                      "/root/VirtualBox VMs/Windows 7 XPDM/Windows 7
                      XPDM.vbox" with version "1.12-linux"</div>
                    <div>00:00:00.143291 nspr-2   Loading settings file
                      "/root/VirtualBox VMs/Xubuntu/Xubuntu.vbox" with
                      version "1.14-linux"</div>
                    <div>00:00:05.154728 main     ERROR [COM]:
                      aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c)
                      aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda}
                      aComponent={MediumWrap} aText={Medium
                      '/root/VirtualBox VMs/Windows 7 XPDM/Windows 7
                      XPDM-disk2.vmdk' cannot be closed because it is
                      still attached to 1 virtual machines},
                      preserve=false aResultDetail=0</div>
                    <div>00:00:05.154850 main     ERROR [COM]:
                      aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c)
                      aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda}
                      aComponent={MediumWrap} aText={Medium
                      '/tmp/DisplayWall/Build/Linux/Debug/Xubuntu.vdi'
                      cannot be closed because it is still attached to 1
                      virtual machines}, preserve=false aResultDetail=0</div>
                    <div>00:00:05.644170 Watcher  ERROR [COM]:
                      aRC=E_ACCESSDENIED (0x80070005)
                      aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945}
                      aComponent={VirtualBoxWrap} aText={The object is
                      not ready}, preserve=false aResultDetail=0</div>
                    <div>00:00:10.159690 main     {00007f97f0015160}
                      HostPowerServiceLinux::~HostPowerServiceLinux:
                      RTThreadWait() for 5000 ms failed with
                      VERR_TIMEOUT</div>
                  </div>
                  <div style="font-size: 12.8px;"><br>
                  </div>
                  <div style="font-size: 12.8px;">My error occurs on
                    15:37:04 so the trailing errors should not be the
                    cause, will investigate further but thanks for the
                    help.</div>
                  <div style="font-size: 12.8px;"><br>
                  </div>
                  <div style="font-size: 12.8px;">
                    <div>[23.04.2016 15:37:03.894] === Start (PID: 2417)
                      ===</div>
                    <div>[23.04.2016 15:37:04.099]
                      ../../../Sources/VirtualBoxSource/VirtualBoxSource.cpp(31):
                      failed to create VirtualBox API
                      instance(0x80004005)</div>
                    <div>[23.04.2016 15:37:04.102] === Stop ===</div>
                  </div>
                  <div class="gmail_extra"><br>
                    <div class="gmail_quote"><br>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
vbox-dev mailing list
<a class="moz-txt-link-abbreviated" href="mailto:vbox-dev@virtualbox.org">vbox-dev@virtualbox.org</a>
<a class="moz-txt-link-freetext" href="https://www.virtualbox.org/mailman/listinfo/vbox-dev">https://www.virtualbox.org/mailman/listinfo/vbox-dev</a>
</pre>
    </blockquote>
    <br>
  

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