[libvirt-users] libvirt-1.2.2-r1 (Gentoo) fails to start LXC containers

[Doug Goldstein]

On Wed, Sep 11, 2013 at 3:52 AM, Gao feng <gaofeng at cn.fujitsu.com> wrote:
> On 09/11/2013 04:44 PM, Daniel P. Berrange wrote:
>> On Tue, Sep 10, 2013 at 09:09:44AM -0500, Dennis Jenkins wrote:
>>> I recently upgraded "libvirt" on Gentoo to 1.2.2-r1 (latest available).  I
>>> have not used LXC containers for a few weeks, so I don't recall what
>>> version of libvirt I was using when my container last booted successfully.
>>>
>>> ostara ~ # tail /var/log/libvirt/lxc/dwj-hfax-dev.log
>>> 2013-09-10 13:56:22.767+0000: starting up
>>> PATH=/bin:/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/4.6.3:/usr/x86_64-pc-linux-gnu/i686-pc-mingw32/gcc-bin/4.7.3
>>> LIBVIRT_DEBUG=3 LIBVIRT_LOG_OUTPUTS=3:file:/var/log/libvirt/libvirtd.log
>>> /usr/libexec/libvirt_lxc --name dwj-hfax-dev --console 20 --security=none
>>> --handshake 23 --background --veth veth1
>>> PATH=/bin:/sbin TERM=linux container=lxc-libvirt
>>> container_uuid=681410de-7b56-41bd-b38d-3c66ce97e7b3
>>> LIBVIRT_LXC_UUID=681410de-7b56-41bd-b38d-3c66ce97e7b3
>>> LIBVIRT_LXC_NAME=dwj-hfax-dev /sbin/init
>>> error receiving signal from container: Input/output error
>>
>> We'll need you to increase the log level to get more detail in this
>> file.
>>
>> 1. Stop the 'libvirtd' daemon
>>
>> 2. Edit /etc/libvirt/lxc.conf and set  log_with_libvirtd=1
>>
>> 3. Run
>>
>>    $  LIBVIRT_LOG_FILTERS=1:lxc LIBVIRT_LOG_OUTPUTS=1:stderr /usr/sbin/libvirtd
>>
>> 4. rm -f /var/log/libvirt/lxc/dwj-hfax-dev.log
>>
>> 5. Try to start your guest with virsh
>>
>>
>> Now send us the much more verbose logfile that was created
>
> Dennis has already knew what's wrong with his environment,
> his kernel doesn't support securityfs. libvirt should handle this problem.
>

Its 6807238d that made securityfs required on the host kernel when
userns isn't used.

-- 
Doug Goldstein