On Sun, Oct 16, 2011 at 02:30:22PM +0300, Pasi Kärkkäinen wrote:
> Hello,
> 
> I need to do "setenforce 0" before I'm able to install Xen VMs with LVM 
> volumes as disk backends..
> Should I file a bugzilla entry about this? 

Please do.

I've found out that if I use 'virt-manager' to 'create' the disk the problem
disappears. So I wonder if the problem is that you (and me) use a
non-approved way of creating LVMs.

Perhaps some SELinux magic is required?

> 
> See here for an example about the issue:
> 
> # rpm -qa|grep -i xen
> xen-licenses-4.1.1-8.fc16.x86_64
> netxen-firmware-4.0.534-4.fc15.noarch
> xen-libs-4.1.1-8.fc16.x86_64
> xen-4.1.1-8.fc16.x86_64
> xen-hypervisor-4.1.1-8.fc16.x86_64
> xen-runtime-4.1.1-8.fc16.x86_64
> 
> # rpm -qa|grep -i selinux
> libselinux-python-2.1.5-5.1.fc16.x86_64
> libselinux-utils-2.1.5-5.1.fc16.x86_64
> selinux-policy-3.10.0-40.fc16.noarch
> libselinux-2.1.5-5.1.fc16.x86_64
> selinux-policy-targeted-3.10.0-40.fc16.noarch
> 
> # getenforce 
> Enforcing
> 
> # uname -a
> Linux f16.localdomain 3.1.0-0.rc9.git0.0.fc16.x86_64 #1 SMP Wed Oct 5 
> 15:30:54 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
> 
> # xm list
> Name                                        ID   Mem VCPUs      State   
> Time(s)
> Domain-0                                     0  1024     4     r-----     74.0
> 
> # virt-install -d -n f16test32 -r 1024 --vcpus=2 -f /dev/vg_f16/f16test32 
> --vnc -p -l "http://server.tld/fedora/mount-f16-final-tc1-i386/"; 
> Sun, 16 Oct 2011 11:42:00 DEBUG    Launched with command line:
> /usr/bin/virt-install -d -n f16test32 -r 1024 --vcpus=2 -f 
> /dev/vg_f16/f16test32 --vnc -p -l 
> http://server.tld/fedora/mount-f16-final-tc1-i386/
> Sun, 16 Oct 2011 11:42:00 DEBUG    Requesting libvirt URI default
> Sun, 16 Oct 2011 11:42:01 DEBUG    Received libvirt URI xen:///
> Sun, 16 Oct 2011 11:42:01 DEBUG    Requesting virt method 'xen', hv type 
> 'default'.
> Sun, 16 Oct 2011 11:42:01 DEBUG    Received virt method 'xen'
> Sun, 16 Oct 2011 11:42:01 DEBUG    Hypervisor name is 'xen'
> Sun, 16 Oct 2011 11:42:01 DEBUG    --graphics compat generated: vnc
> Sun, 16 Oct 2011 11:42:01 DEBUG    DistroInstaller location is a network 
> source.
> Sun, 16 Oct 2011 11:42:01 DEBUG    Attempting to detect distro:
> Sun, 16 Oct 2011 11:42:01 DEBUG    Fetching URI: 
> http://server.tld/fedora/mount-f16-final-tc1-i386/.treeinfo
> Sun, 16 Oct 2011 11:42:01 DEBUG    Saved file to 
> /var/tmp/virtinst-.treeinfo.Fx9zj5
> Sun, 16 Oct 2011 11:42:01 DEBUG    Guest.has_install_phase: True
> 
> Starting install...
> Sun, 16 Oct 2011 11:42:01 DEBUG    scratchdir=/var/lib/xen
> Sun, 16 Oct 2011 11:42:01 DEBUG    Attempting to detect distro:
> Sun, 16 Oct 2011 11:42:01 DEBUG    Fetching URI: 
> http://server.tld/fedora/mount-f16-final-tc1-i386/.treeinfo
> Sun, 16 Oct 2011 11:42:01 DEBUG    Saved file to 
> /var/lib/xen/virtinst-.treeinfo.tFlBQU
> Retrieving file .treeinfo...                                                  
>                                                  | 1.8 kB     00:00 ... 
> Sun, 16 Oct 2011 11:42:01 DEBUG    Fetching URI: 
> http://server.tld/fedora/mount-f16-final-tc1-i386/images/pxeboot/vmlinuz-PAE
> Sun, 16 Oct 2011 11:42:01 DEBUG    Saved file to 
> /var/lib/xen/virtinst-vmlinuz-PAE.iI_tC0
> Retrieving file vmlinuz-PAE...                                                
>                                                  | 7.9 MB     00:00 ... 
> Sun, 16 Oct 2011 11:42:01 DEBUG    Fetching URI: 
> http://server.tld/fedora/mount-f16-final-tc1-i386/images/pxeboot/initrd-PAE.img
> Sun, 16 Oct 2011 11:42:06 DEBUG    Saved file to 
> /var/lib/xen/virtinst-initrd-PAE.img.cpypw0====================    ]  31 MB/s 
> | 119 MB     00:00 ETA 
> Retrieving file initrd-PAE.img...                                             
>                                                  | 257 MB     00:04 ... 
> Sun, 16 Oct 2011 11:42:06 DEBUG    Auto detected OS type as: linux
> Sun, 16 Oct 2011 11:42:06 DEBUG    Auto detected OS variant as: fedora16
> Sun, 16 Oct 2011 11:42:06 DEBUG    Have access to local system scratchdir so 
> nothing to upload
> Sun, 16 Oct 2011 11:42:06 DEBUG    Generated install XML: 
> <domain type='xen'>
>   <name>f16test32</name>
>   <uuid>3dafa790-e0e1-8ca9-da0c-4083336c3096</uuid>
>   <memory>1048576</memory>
>   <currentMemory>1048576</currentMemory>
>   <vcpu>2</vcpu>
>   <os>
>     <type arch='x86_64'>linux</type>
>     <kernel>/var/lib/xen/virtinst-vmlinuz-PAE.iI_tC0</kernel>
>     <initrd>/var/lib/xen/virtinst-initrd-PAE.img.cpypw0</initrd>
>     
> <cmdline>method=http://server.tld/fedora/mount-f16-final-tc1-i386/</cmdline>
>   </os>
>   <features>
>     <acpi/><apic/>
>   </features>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>destroy</on_reboot>
>   <on_crash>destroy</on_crash>
>   <devices>
>     <disk type='block' device='disk'>
>       <source dev='/dev/vg_f16/f16test32'/>
>       <target dev='xvda' bus='xen'/>
>     </disk>
>     <interface type='network'>
>       <source network='default'/>
>       <mac address='00:16:3e:12:3c:49'/>
>     </interface>
>     <input type='mouse' bus='xen'/>
>     <graphics type='vnc' port='-1' keymap='fi'/>
>     <video>
>       <model type='cirrus'/>
>     </video>
>   </devices>
> </domain>
> 
> Sun, 16 Oct 2011 11:42:06 DEBUG    Generated boot XML: 
> <domain type='xen'>
>   <name>f16test32</name>
>   <uuid>3dafa790-e0e1-8ca9-da0c-4083336c3096</uuid>
>   <memory>1048576</memory>
>   <currentMemory>1048576</currentMemory>
>   <vcpu>2</vcpu>
>   <bootloader>/usr/bin/pygrub</bootloader>
>   <features>
>     <acpi/><apic/>
>   </features>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>restart</on_reboot>
>   <on_crash>restart</on_crash>
>   <devices>
>     <disk type='block' device='disk'>
>       <source dev='/dev/vg_f16/f16test32'/>
>       <target dev='xvda' bus='xen'/>
>     </disk>
>     <interface type='network'>
>       <source network='default'/>
>       <mac address='00:16:3e:12:3c:49'/>
>     </interface>
>     <input type='mouse' bus='xen'/>
>     <graphics type='vnc' port='-1' keymap='fi'/>
>     <video>
>       <model type='cirrus'/>
>     </video>
>   </devices>
> </domain>
> 
> Sun, 16 Oct 2011 11:42:08 DEBUG    Removing 
> /var/lib/xen/virtinst-vmlinuz-PAE.iI_tC0
> Sun, 16 Oct 2011 11:42:08 DEBUG    Removing 
> /var/lib/xen/virtinst-initrd-PAE.img.cpypw0
> Sun, 16 Oct 2011 11:42:08 ERROR    Domain not found: 
> xenUnifiedDomainLookupByName
> Sun, 16 Oct 2011 11:42:08 DEBUG    Traceback (most recent call last):
>   File "/usr/bin/virt-install", line 620, in start_install
>     noboot=options.noreboot)
>   File "/usr/lib/python2.7/site-packages/virtinst/Guest.py", line 1223, in 
> start_install
>     noboot)
>   File "/usr/lib/python2.7/site-packages/virtinst/Guest.py", line 1291, in 
> _create_guest
>     dom = self.conn.createLinux(start_xml or final_xml, 0)
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2077, in 
> createLinux
>     if ret is None:raise libvirtError('virDomainCreateLinux() failed', 
> conn=self)
> libvirtError: Domain not found: xenUnifiedDomainLookupByName
> Sun, 16 Oct 2011 11:42:08 DEBUG    Domain installation does not appear to 
> have been successful.
> If it was, you can restart your domain by running:
>   virsh --connect xen:/// start f16test32
> otherwise, please restart your installation.
> Domain installation does not appear to have been successful.
> If it was, you can restart your domain by running:
>   virsh --connect xen:/// start f16test32
> otherwise, please restart your installation.
> 
> 
> -- Pasi
> 
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