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FYI . in bug 596891. vhost-net is going to be loaded automatically.
Comment 3RHEL Program Management
2010-06-07 16:18:32 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release. Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release. This request is not yet committed for
inclusion.
(In reply to comment #6)
> Is SELinux set to 'enforcing' ? if so, does 'setenforce 0' make it work ?
Hi Daniel.
yes. selinux is enforcing, Guest start normally after change to Permissive.
closing as not a bug ?
Description of problem: got following error when start vm Error starting domain: internal error Process exited while reading console log output: char device redirected to /dev/pts/1 qemu-kvm: -netdev tap,fd=20,id=hostnet0,vhost=on,vhostfd=21: vhost-net requested but could not be initialized qemu-kvm: -netdev tap,fd=20,id=hostnet0,vhost=on,vhostfd=21: Device 'tap' could not be initialized Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/engine.py", line 878, in run_domain vm.startup() File "/usr/share/virt-manager/virtManager/domain.py", line 1311, in startup self._backend.create() File "/usr/lib64/python2.6/site-packages/libvirt.py", line 333, in create if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self) libvirtError: internal error Process exited while reading console log output: char device redirected to /dev/pts/1 qemu-kvm: -netdev tap,fd=20,id=hostnet0,vhost=on,vhostfd=21: vhost-net requested but could not be initialized qemu-kvm: -netdev tap,fd=20,id=hostnet0,vhost=on,vhostfd=21: Device 'tap' could not be initialized can start guest with commandline like : -netdev tap,id=hostnet0,vhost=on -device virtio-net-pci,netdev=hostnet0,mac=02:00:40:3F:20:20,bus=pci.0,addr=0x4 Version-Release number of selected component (if applicable): libvirt-0.8.1-7.el6.x86_64 kernel-2.6.32-33.el6.x86_64 qemu-kvm-0.12.1.2-2.69.el6.x86_64 How reproducible: 100% Steps to Reproduce: 1.lsmod | grep vhost_net ==> vhost-net is not loaded 2.start a pre-installed vm (virtio-net) ==> vm start normally 3.shutdown vm 4.modprobe vhost-net 5.start the vm again Actual results: FAILED . Expected results: Additional info: virsh # dumpxml rhel5 <domain type='kvm' id='1'> <name>rhel5</name> <uuid>85d541f2-3d57-b0f1-c095-c6e4f2638fe2</uuid> <memory>2097152</memory> <currentMemory>2097152</currentMemory> <vcpu>2</vcpu> <os> <type arch='x86_64' machine='rhel6.0.0'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <pae/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/libexec/qemu-kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/var/lib/libvirt/images/rhel5.img'/> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <interface type='bridge'> <mac address='52:54:00:34:59:ac'/> <source bridge='breth0'/> <target dev='vnet0'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/1'/> <target port='0'/> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/1'> <source path='/dev/pts/1'/> <target port='0'/> <alias name='serial0'/> </console> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5900' autoport='yes' keymap='en-us'/> <sound model='ac97'> <alias name='sound0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </sound> <video> <model type='cirrus' vram='9216' heads='1'/> <alias name='video0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> </devices> <seclabel type='dynamic' model='selinux'> <label>system_u:system_r:svirt_t:s0:c506,c706</label> <imagelabel>system_u:object_r:svirt_image_t:s0:c506,c706</imagelabel> </seclabel> </domain>