[vbox-dev] VirutalBox XPCOM interface as root
Maxime Dor
max at kamax.io
Sat Apr 23 14:36:38 GMT 2016
Do you actually run as a complete root session, or with sudo?
On 23/04/16 16:05, Rūdolfs Bundulis wrote:
> 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.
>
> Logs as non root:
>
> VBoxSVC.log:
> VirtualBox XPCOM Server 5.0.12 r104815 linux.amd64 (Dec 18 2015
> 17:08:04) release log
> 00:00:00.000218 main Log opened 2016-04-23T14:00:47.617485000Z
> 00:00:00.000220 main Build Type: release
> 00:00:00.000222 main OS Product: Linux
> 00:00:00.000223 main OS Release: 3.16.0-30-generic
> 00:00:00.000223 main OS Version: #40~14.04.1-Ubuntu SMP Thu Jan 15
> 17:43:14 UTC 2015
> 00:00:00.000254 main DMI Product Name: Z9PE-D16 Series
> 00:00:00.000260 main DMI Product Version: 1.0X
> 00:00:00.000330 main Host RAM: 15995MB total, 15725MB available
> 00:00:00.000333 main Executable: /usr/lib/virtualbox/VBoxSVC
> 00:00:00.000333 main Process ID: 2873
> 00:00:00.000334 main Package type: LINUX_64BITS_UBUNTU_14_04
> 00:00:00.103915 nspr-2 Home directory:
> '/home/rudolfs/.config/VirtualBox'
> 00:00:00.104076 nspr-2 Loading settings file
> "/home/rudolfs/.config/VirtualBox/VirtualBox.xml" with version
> "1.12-linux"
> 00:00:00.109599 nspr-2 HostDnsMonitor: old information
> 00:00:00.109609 nspr-2 no server entries
> 00:00:00.109614 nspr-2 no search string entries
> 00:00:00.109616 nspr-2 no domain set
> 00:00:00.109618 nspr-2 HostDnsMonitor: new information
> 00:00:00.109620 nspr-2 server 1: 192.168.1.1
> 00:00:00.109623 nspr-2 no search string entries
> 00:00:00.109625 nspr-2 no domain set
> 00:00:00.109630 nspr-2 HostDnsMonitorProxy::notify
> 00:00:00.110588 nspr-2 VD: VDInit finished
> 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
> 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
> 00:00:10.114131 main {00007f6124012b80}
> HostPowerServiceLinux::~HostPowerServiceLinux: RTThreadWait() for 5000
> ms failed with VERR_TIMEOUT
>
> My log:
> [23.04.2016 17:00:47.600] === Start (PID: 2864) ===
> [23.04.2016 17:00:47.741]
> ../../../Sources/VirtualBoxSource/VirtualBoxSource.cpp(59): could not
> find virtual machine Xubuntu(0x80bb0001)
> [23.04.2016 17:00:47.754] === Stop ===
>
> Logs as root:
>
> VBoxSVC.log:
> VirtualBox XPCOM Server 5.0.12 r104815 linux.amd64 (Dec 18 2015
> 17:08:04) release log
> 00:00:00.000430 main Log opened 2016-04-23T14:02:52.309751000Z
> 00:00:00.000431 main Build Type: release
> 00:00:00.000433 main OS Product: Linux
> 00:00:00.000434 main OS Release: 3.16.0-30-generic
> 00:00:00.000434 main OS Version: #40~14.04.1-Ubuntu SMP Thu Jan 15
> 17:43:14 UTC 2015
> 00:00:00.000455 main DMI Product Name: Z9PE-D16 Series
> 00:00:00.000460 main DMI Product Version: 1.0X
> 00:00:00.000517 main Host RAM: 15995MB total, 15724MB available
> 00:00:00.000520 main Executable: /usr/lib/virtualbox/VBoxSVC
> 00:00:00.000520 main Process ID: 2902
> 00:00:00.000521 main Package type: LINUX_64BITS_UBUNTU_14_04
> 00:00:00.103713 nspr-2 Home directory: '/root/.config/VirtualBox'
> 00:00:00.103891 nspr-2 Loading settings file
> "/root/.config/VirtualBox/VirtualBox.xml" with version "1.12-linux"
> 00:00:00.106584 nspr-2 Successfully initialised host USB using sysfs
> 00:00:00.111953 nspr-2 HostDnsMonitor: old information
> 00:00:00.111964 nspr-2 no server entries
> 00:00:00.111968 nspr-2 no search string entries
> 00:00:00.111971 nspr-2 no domain set
> 00:00:00.111973 nspr-2 HostDnsMonitor: new information
> 00:00:00.111976 nspr-2 server 1: 192.168.1.1
> 00:00:00.111979 nspr-2 no search string entries
> 00:00:00.111981 nspr-2 no domain set
> 00:00:00.111986 nspr-2 HostDnsMonitorProxy::notify
> 00:00:00.113053 nspr-2 VD: VDInit finished
> 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
> 00:00:10.124637 main {00007f5ebc014fb0}
> HostPowerServiceLinux::~HostPowerServiceLinux: RTThreadWait() for 5000
> ms failed with VERR_TIMEOUT
>
> My log:
> [23.04.2016 17:02:52.295] === Start (PID: 2891) ===
> [23.04.2016 17:02:52.433]
> ../../../Sources/VirtualBoxSource/VirtualBoxSource.cpp(31): failed to
> create VirtualBox API instance(0x80004005)
> [23.04.2016 17:02:52.447] === Stop ===
>
>
>
>
>
> 2016-04-23 15:49 GMT+03:00 Rūdolfs Bundulis
> <rudolfs.bundulis at gmail.com <mailto:rudolfs.bundulis at gmail.com>>:
>
> Thanks for pointing out the location. I opened the file just after
> the error but it did no contain anything interresting:
>
> VirtualBox XPCOM Server 5.0.12 r104815 linux.amd64 (Dec 18 2015
> 17:08:04) release log
> 00:00:00.003705 main Log opened 2016-04-23T12:37:03.945428000Z
> 00:00:00.003707 main Build Type: release
> 00:00:00.003710 main OS Product: Linux
> 00:00:00.003710 main OS Release: 3.16.0-30-generic
> 00:00:00.003711 main OS Version: #40~14.04.1-Ubuntu SMP Thu
> Jan 15 17:43:14 UTC 2015
> 00:00:00.003739 main DMI Product Name: Z9PE-D16 Series
> 00:00:00.003746 main DMI Product Version: 1.0X
> 00:00:00.003823 main Host RAM: 15995MB total, 15708MB available
> 00:00:00.003826 main Executable: /usr/lib/virtualbox/VBoxSVC
> 00:00:00.003827 main Process ID: 2428
> 00:00:00.003827 main Package type: LINUX_64BITS_UBUNTU_14_04
> 00:00:00.110860 nspr-2 Home directory: '/root/.config/VirtualBox'
> 00:00:00.111175 nspr-2 Loading settings file
> "/root/.config/VirtualBox/VirtualBox.xml" with version "1.12-linux"
> 00:00:00.117237 nspr-2 Successfully initialised host USB using sysfs
> 00:00:00.124953 nspr-2 HostDnsMonitor: old information
> 00:00:00.124964 nspr-2 no server entries
> 00:00:00.124969 nspr-2 no search string entries
> 00:00:00.124971 nspr-2 no domain set
> 00:00:00.124973 nspr-2 HostDnsMonitor: new information
> 00:00:00.124975 nspr-2 server 1: 192.168.1.1
> 00:00:00.124978 nspr-2 no search string entries
> 00:00:00.124980 nspr-2 no domain set
> 00:00:00.124984 nspr-2 HostDnsMonitorProxy::notify
> 00:00:00.130331 nspr-2 VD: VDInit finished
> 00:00:00.140840 nspr-2 Loading settings file "/root/VirtualBox
> VMs/Windows 7 XPDM/Windows 7 XPDM.vbox" with version "1.12-linux"
> 00:00:00.143291 nspr-2 Loading settings file "/root/VirtualBox
> VMs/Xubuntu/Xubuntu.vbox" with version "1.14-linux"
> 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
> 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
> 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
> 00:00:10.159690 main {00007f97f0015160}
> HostPowerServiceLinux::~HostPowerServiceLinux: RTThreadWait() for
> 5000 ms failed with VERR_TIMEOUT
>
> My error occurs on 15:37:04 so the trailing errors should not be
> the cause, will investigate further but thanks for the help.
>
> [23.04.2016 15:37:03.894] === Start (PID: 2417) ===
> [23.04.2016 15:37:04.099]
> ../../../Sources/VirtualBoxSource/VirtualBoxSource.cpp(31): failed
> to create VirtualBox API instance(0x80004005)
> [23.04.2016 15:37:04.102] === Stop ===
>
>
>
>
>
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