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Description of problem:
Set per-disk seclabel as below, guest start failed with error "error: unsupported configuration: Unable to find security driver for model (null)"
# virsh edit rhel7
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/var/lib/libvirt/images/rhel7.2.qcow2'>
**<seclabel relabel='no'/>**
</source>
<target dev='vda' bus='virtio'/>
</disk>
# virsh start rhel7
error: Failed to start domain rhel7
error: unsupported configuration: Unable to find security driver for model (null)
Version-Release number of selected component:
libvirt-2.0.0-6.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1. Edit domain xml, set per-disk seclabel without model name.
2. Start guest
Actual results:
Edit domain xml successfully, but guest start failed
Expected results:
In step 1, XML document should failed to validate against schema when editing
Additional info:
Set a model with the seclabel, and start guest, NO "Unable to find security driver for model (null)" error appears.
For example:
<source file='/var/lib/libvirt/images/rhel7.2.qcow2'>
<seclabel **model='none'** relabel='no'/>
</source>
Description of problem: Set per-disk seclabel as below, guest start failed with error "error: unsupported configuration: Unable to find security driver for model (null)" # virsh edit rhel7 <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='none'/> <source file='/var/lib/libvirt/images/rhel7.2.qcow2'> **<seclabel relabel='no'/>** </source> <target dev='vda' bus='virtio'/> </disk> # virsh start rhel7 error: Failed to start domain rhel7 error: unsupported configuration: Unable to find security driver for model (null) Version-Release number of selected component: libvirt-2.0.0-6.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1. Edit domain xml, set per-disk seclabel without model name. 2. Start guest Actual results: Edit domain xml successfully, but guest start failed Expected results: In step 1, XML document should failed to validate against schema when editing Additional info: Set a model with the seclabel, and start guest, NO "Unable to find security driver for model (null)" error appears. For example: <source file='/var/lib/libvirt/images/rhel7.2.qcow2'> <seclabel **model='none'** relabel='no'/> </source>