Hello,
I've running Ubuntu-14.04 as my host and my guest. I've been trying to get guest to host communication set up by configuring a virtio-serial device. My xml file contains:
<channel type='unix'>
<source mode='bind' path='/home/dave/vm1.agent'/>
<target type='virtio' name='vm1'/>
</channel>
When I start up the VM, I get the following error:
error: Failed to create domain from vm1.xml
error: internal error: process exited while connecting to monitor: qemu-system-x86_64: -chardev socket,id=charchannel0,path=/home/dave/vm1.agent,server,nowait: Failed to bind socket: Permission denied
qemu-system-x86_64: -chardev socket,id=charchannel0,path=/home/dave/vm1.agent,server,nowait: chardev: opening backend "socket" failed
dmesg shows what appears to be an apparmor denial for mknod:
[250108.632450] type=1400 audit(1415994657.679:152): apparmor="DENIED" operation="mknod" profile="" name="/home/dave/vm1.agent" pid=21856 comm="qemu-system-x86" requested_mask="c" denied_mask="c" fsuid=112 ouid=112
I can add a line to /etc/apparmor.d/abstractions/libvirt-qemu similar to:
owner /home/dave/vm1.agent rw,
After restarting apparmor, this gets rid of the apparmor complaint, but I still get the same error from 'virsh create vm1.xml' when trying to create the VM.
Any suggestions for how to fix this?
Thanks,
~Dave
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