[libvirt-users] Libvirt-LXC bug/error

[Daniel P. Berrange]

On Tue, Jan 17, 2012 at 12:21:22PM +0100, Samuel Hassine, Another Service wrote:
> Hi,
> 
> I tried to create a fresh container with a minimal configuration :
> 
> Here is the configuration: http://paste.debian.net/152553/
> 
> I built a minimal rootfs with busybox as descriped in:
> http://berrange.com/posts/2011/09/27/getting-started-with-lxc-using-libvirt/
> 
> And I also have the same problem:
> 
> root at PAR-SRV-01-002:/etc# virsh --connect lxc:/// start simple
> error: Failed to start domain simple
> error: internal error guest failed to start: 2012-01-17
> 11:20:35.212+0000: 13808: info : libvirt version: 0.9.8
> 2012-01-17 11:20:35.212+0000: 13808: warning : lxcCapsInit:77 : Failed
> to get host power management capabilities
> PATH=/bin:/sbin TERM=linux
> LIBVIRT_LXC_UUID=3d477435-fd58-11a4-2d4e-49092034871e
> LIBVIRT_LXC_NAME=simple /init
> 2012-01-17 11:20:35.229+0000: 1: info : libvirt version: 0.9.8
> 2012-01-17 11:20:35.229+0000: 1: error : lxcContainerMountDevFS:518 :
> Failed to mount /dev/pts in container: No such file or directory
> 2012-01-17 11:20:35.229+0000: 13809: info : libvirt version: 0.9.8
> 2012-01-17 11:20:35.229+0000: 13809: error : lxcControllerRun:1445 :
> error receiving signal from container: Input/output error

For the benefit of the mailing list archives, this turned to be caused
by the filesystem path containing a component that was an absolute
symbolic link. Debian's LXC package likes to create directories like
this for containers by default, so it is surprising we've not seen it
before. Fix proposed here

  https://www.redhat.com/archives/libvir-list/2012-January/msg00660.html


Daniel
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