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Re: [libvirt] Unable to start container on Fedora 17 with kernel 3.8.0



On 2013/03/27 01:12, Purcareata Bogdan-B43198 wrote:
> Hello,
> 
> I've had some trouble starting a Linux Container with libvirt. Here's my setup:
> 
> 1. I've downloaded libvirt-1.0.3.tar.gz from [1] and issued:
> - ./configure --prefix=/usr
> - make
> - make install
> - ldconfig
> 
> 2. I've started the libvirtd service:
> - sudo service libvirtd start
> Starting libvirtd (via systemctl):  Warning: Unit file of created job changed on disk, 'systemctl --system daemon-reload' recommended.
>                                                            [  OK  ]
> 
> 3. I've defined the lxc domain:
> <domain type='lxc'>
>   <name>foo</name>
>   <uuid>2d1fa65a-0dbf-46e3-3a5c-ebc53e3d0c25</uuid>
>   <memory unit='KiB'>500000</memory>
>   <currentMemory unit='KiB'>500000</currentMemory>
>   <vcpu placement='static'>1</vcpu>
>   <os>
>     <type arch='x86_64'>exe</type>
>     <init>/bin/init</init>
>   </os>
>   <clock offset='utc'/>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>restart</on_reboot>
>   <on_crash>destroy</on_crash>
>   <devices>
>     <emulator>/usr/libexec/libvirt_lxc</emulator>
>     <filesystem type='mount' accessmode='passthrough'>
>       <source dir='/usr/var/lib/lxc/foo/rootfs'/>
>       <target dir='/'/>
>     </filesystem>
>     <console type='pty'>
>       <target type='serial' port='0'/>
>     </console>
>     <console type='pty'>
>       <target type='serial' port='1'/>
>     </console>
>     <console type='pty'>
>       <target type='serial' port='2'/>
>     </console>
>     <console type='pty'>
>       <target type='serial' port='3'/>
>     </console>
>   </devices>
> </domain>
> 
> When issuing virsh -c lxc:/// start foo I get the following error:
> error: Failed to start domain foo
> error: internal error guest failed to start: PATH=/bin:/sbin TERM=linux container=lxc-libvirt container_uuid=2d1fa65a-0dbf-46e3-3a5c-ebc53e3d0c25 LIBVIRT_LXC_UUID=2d1fa65a-0dbf-46e3-3a5c-ebc53e3d0c25 LIBVIRT_LXC_NAME=foo /bin/init
> 2013-03-26 17:09:34.186+0000: 1: info : libvirt version: 1.0.3
> 2013-03-26 17:09:34.186+0000: 1: error : lxcContainerMountBasicFS:563 : Failed to mount /selinux on /selinux type selinuxfs flags=e opts=(null): No such device


Try to rm directory /selinux of host.
I guess your selinux is disabled.

Maybe We need a patch to detect if selinux is enabled by getmntent_r.

> 2013-03-26 17:09:34.186+0000: 8087: info : libvirt version: 1.0.3
> 2013-03-26 17:09:34.186+0000: 8087: error : virLXCControllerRun:1468 : error receiving signal from container: Input/output error
> 
> Same message is present in /var/log/libvirt/lxc/foo.log. No errors shown in /var/log/messages.
> 
> Machine: Linux everest 3.8.0 #1 SMP Mon Mar 25 19:29:56 EET 2013 x86_64 x86_64 x86_64 GNU/Linux
> 
> Can you please provide me some more info on the issue?
> 
> Thank you very much,
> Bogdan P.
> 
> [1] http://libvirt.org/sources/libvirt-1.0.3.tar.gz
> 
> 
> 
> 
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