Re: libvirt-1.1.2-r1 (Gentoo) fails to start LXC containers (subject line minor edit, was libvirt-1.2.2-r1)

[Dennis Jenkins <dennis.jenkins.75@xxxxxxxxx>]

ostara ~ # ebuild /usr/portage/app-emulation/libvirt/libvirt-1.1.2-r1.ebuild setup clean
 * libvirt-1.1.2.tar.gz SHA256 SHA512 WHIRLPOOL size ;-) ...                                                       [ ok ]
 * libvirt-1.1.2-e89bdf01.tar.xz SHA256 SHA512 WHIRLPOOL size ;-) ...                                              [ ok ]
 * checking ebuild checksums ;-) ...                                                                               [ ok ]
 * checking auxfile checksums ;-) ...                                                                              [ ok ]
 * checking miscfile checksums ;-) ...                                                                             [ ok ]
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found kernel object directory:
 *     /lib/modules/3.10.7-gentoo/build
 * Found sources for kernel version:
 *     3.10.7-gentoo
 * Checking for suitable kernel configuration options...

 *   CONFIG_SECURITYFS:  is not set when it should be.
 * Please check to make sure these options are set correctly.
 * Failure to do so may cause unexpected problems.

Doug, thank you for your assistance.  My issue is resolved:

ostara ~ # virsh -c lxc:/// start dwj-hfax-dev
Domain dwj-hfax-dev started

ostara ~ # zgrep "SECURITYFS" /proc/config.gz
CONFIG_SECURITYFS=y

Suggestion: libvirtd, or its start script, should sanity check the local kernel and issue a warning if its not kosher.

[off topic].  Timing!  My last reboot was 16 days ago.  Between reboots my EXT3 file-system crossed the 180-days without a FSCK mark...  My reboot took a looooooonnnnggg time.  My server is in my basement.  When it did not come back up quickly post-reboot, I got nervous and had to go check on it. :)  2.4 million files makes FSCK slow.  Too bad QEMU performs poorly when ran on top of btrfs, or I would convert.  (yeah, I know about disabling the COW flag per file/directory)

ostara ~ # df -i /
Filesystem       Inodes   IUsed    IFree IUse% Mounted on
/dev/md3       60632496 2443621 58188875    5% /

ostara ~ # df -h /
Filesystem      Size  Used Avail Use% Mounted on
/dev/md3        909G  447G  417G  52% /

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