[libvirt] libvirt failed to spawn with namespace

[Michal Privoznik]

On 01/05/2017 11:55 AM, Michal Privoznik wrote:
> On 01/05/2017 09:51 AM, Qiao, Liyong wrote:
>> Hi Michal
>> Thanks for your reply, the workaround works well for me.
>> Recreate kvm02.log and attach it for you.
> 
> Ah sorry. For some reason I thought that the first log you've sent is
> daemon log. It wasn't and in fact I'd like to see it for the case where
> you mount /dev/mqueue and enable the namespace (=undo the workaround).
> 
>>
>> BTW, can you help me to understand how can you make this [1] work if it’s /dev/mqueue.
>> As far as I know /dev/mqueue is not a block device, how can we mount /dev/mqueue to somewhere ?
> 
> A filesystem doesn't have to be backed by a block device in order to be
> mountable. tmpfs is a great example. mqueue is yet another one of such
> filesystems. BTW:
> 
> $ grep nodev /proc/filesystems
> 
> Looks like there's a lot of nodev filesystems.
> 

BTW: I've just posted a patch for this issue. Can you give it a try please?

https://www.redhat.com/archives/libvir-list/2017-January/msg00139.html

Michal