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...ript=no,downscript=no,ifname=port3,vhost=on -device virtio-net-pci,netdev=net1,mac=00:00:00:00:00:01,csum=off,gso=off,guest_tso4=off,guest_tso6=off,guest_ecn=off Is there another way to represent this in the XML file? maybe that may solve the problem. On 24 July 2014 15:55, Asadullah Hussain <asadxflow@gmail.com> wrote: > > > > On 24 July 2014 15:52, Daniel P. Berrange <berrange@redhat.com> wrote: > >> On Thu, Jul 24, 2014 at 03:48:06PM +0500, Asadullah Hussain wrote: >> > Let me clarify my question, I am using unmodified stock qemu (1.4.0) and >> &gt...

...v type=tap,id=net1,script=no,downscript=no,ifname=port4,vhost=on: vhost-net requested but could not be initialized qemu-system-x86_64: -netdev type=tap,id=net1,script=no,downscript=no,ifname=port4,vhost=on: Device 'tap' could not be initialized On 24 July 2014 13:47, Asadullah Hussain <asadxflow@gmail.com> wrote: > ​The qemu that I am using isn't modified at all. It's the VHOST drivers > that are mounted elsewhere i.e., not on default /dev/vhost-net. > > Here is the command that I use to launch my qemu VM: > qemu-system-x86_64 -cpu host -boot order=c -hda /root/D...

On Thu, Jul 24, 2014 at 03:48:06PM +0500, Asadullah Hussain wrote: > Let me clarify my question, I am using unmodified stock qemu (1.4.0) and > only the location of vhost file descriptor is different from default (I > don't remove the default /dev/vhost-net directory) > > The VHOST file descriptor is present in "/dev/vhost-0" directory instead of > the default

On Wed, Mar 19, 2014 at 05:17:52PM +0500, Asadullah Hussain wrote: > Guys thanks a lot for taking the time out to reply, Although adding the > $PATH & symbolic link methods both solved the "No hypervisor found" error > on virt-manager but when I try to create a VM using the wizard it says: > > "No hypervisor options were found for this connection" > >

​The qemu that I am using isn't modified at all. It's the VHOST drivers that are mounted elsewhere i.e., not on default /dev/vhost-net. Here is the command that I use to launch my qemu VM: qemu-system-x86_64 -cpu host -boot order=c -hda /root/Disks/ubuntu1.qcow2 -m 1024M -smp 2 --enable-kvm -name 'client 1' -nographic -vnc :2 -net none -no-reboot -mem-path /dev/hugepages

Hello I have manually compiled a customized qemu (1.4.0) which runs fine on its own (create VM etc) but I want to access this qemu through libvirt (virt-manager, virsh etc). But the libvirt driver only looks into "/usr/bin" for qemu binaries, how can I tell libvirt to connect to my qemu which is placed at "/home/user/qemu" directory. -- Asadullah Hussain

Guys thanks a lot for taking the time out to reply, Although adding the $PATH & symbolic link methods both solved the "No hypervisor found" error on virt-manager but when I try to create a VM using the wizard it says: "No hypervisor options were found for this connection" "This usually means that QEMU or KVM is not installed on your machine, or the KVM modules are

Still no success virsh capabilities doesn't return any "emulator" output. When I check the "libvirtd.log" there is an error: 2014-03-20 11:25:00.056+0000: 1014: error : virCommandWait:2188 : internal error Child process (LC_ALL=C PATH=/usr/local/sbin:/usr/ local/bin:/usr/bin:/usr/sbin:/sbin:/bin /usr/local/bin/qemu-system-x86_64 -help) status unexpected: exit status 1 I

Hello, I am trying run a simple VM (qemu1.4.2) on RHEL 6.5 through libvirt (0.10). virsh create throws the error: *​error: Failed to create domain from vm1.xml* *error: internal error process exited while connecting to monitor:*​ The libvirt log for VM shows: *libvir: error : cannot execute binary /usr/bin/qemu-system-x86_64: Permission denied* ​I am running VM as root and all disk

The qemu binary is accessible as I can create VM through command line. That is why I thought it may be a libvirt issue. I have also contacted Red Hat support and will post my findings here if the issue is resolved. On 23 April 2014 17:16, Eric Blake <eblake@redhat.com> wrote: > On 04/23/2014 05:44 AM, Asadullah Hussain wrote: > > Hello, > > > > I am trying run a

On 24 July 2014 15:52, Daniel P. Berrange <berrange@redhat.com> wrote: > On Thu, Jul 24, 2014 at 03:48:06PM +0500, Asadullah Hussain wrote: > > Let me clarify my question, I am using unmodified stock qemu (1.4.0) and > > only the location of vhost file descriptor is different from default (I > > don't remove the default /dev/vhost-net directory) > > > >

Hello, I have a custom QEMU which requires some non-standard command line arguments to launch a VM. e.g., "--proc-type=secondary" option is always required to launch a QEMU VM. To launch the VM through libvirt (virsh) "How do I specify these non-standard options in XML? OR if thats not possible ,Can you guide me at which point (code file) libvirt converts the XML to QEMU command

There are a couple of problems with passthrough qemu: 1. virsh version/capabilities command executes "qemu -help" but this gives an error in my case because my customized qemu has to receive mandatory non-standard parameters "qemu -c -n -- -help". 2. Similarly when passing arguments as passthrough in a VMs XML. How can I make sure that these non-standard arguments are passed

I am using a custom qemu to launch a vhost enabled VM. The qemu doesn't use the default "/dev/vhost-net" directory as character device. Due to this I am getting the error: qemu-system-x86_64: -netdev type=tap,id=net1,script=no,downscript=no,ifname=port3,vhost=on: vhost-net requested but could not be initialized ​Is there a way to tell libvirt to ​avoid using the default

Thanks Wangkai but libvirt infact pre-configures network tap devices and pre-opens /dev/vhost-net file and passes these to qemu as open, ready to use file descriptors. My issue is that my qemu requires that /dev/vhost-net directory is removed and it's kernel module be unloaded. Then it creates a vhost -net device using its own configuration. On 24 July 2014 07:35, Wangkai (Kevin,C)