On 04/19/2017 10:00 AM, Marco Aurelio L. Gomes wrote: > Hi, > > I'm using virsh to instance a VM in my environment, but I'm running on > some issues. > I got the following error: > > error: Failed to create domain from domain.xml > error: internal error: qemu unexpectedly closed the monitor: > 2017-04-17T17:00:37.012369Z qemu-kvm: -drive > file=fat:/usr/src/dpdk-stable-16.11.1,if=none,id=drive-virtio-disk1,readonly=on: > Driver 'vvfat' is not whitelisted > > If I comment the disk that cause this error, the instance starts without > error. Is there a way to whitelist this vvfat driver to instance this VM? > > And the strange thing about this error is that when I check the > available drives, there is vvfat in the list: > > /usr/libexec/qemu-kvm -drive format=? > Supported formats: ftps http null-aio null-co file quorum blkverify > vvfat blkreplay qed raw qcow2 bochs dmg vmdk parallels vhdx vpc https > sheepdog host_cdrom ssh host_device nbd gluster qcow iscsi rbd tftp ftp > vdi blkdebug luks cloop > > Here some information about the environment: > > cat /etc/redhat-release > CentOS Linux release 7.3.1611 (Core) > > virsh --version > 2.0.0 > > /usr/libexec/qemu-kvm --version > QEMU emulator version 2.6.0 (qemu-kvm-ev-2.6.0-28.el7_3.6.1), Copyright > (c) 2003-2008 Fabrice Bellard > > Thanks in advance for the help > If you look here: https://rwmj.wordpress.com/2015/09/25/virt-v2v-libguestfs-and-qemu-remote-drivers-in-rhel-7/ The things supported by qemu-img and qemu are not necessarily the same. If you look at the last qemu-kvm.spec file, you can see what is set to rw and ro: https://git.centos.org/raw/rpms!qemu-kvm/976a86fff9adb9a2a6968b9f73fe9a615266f59b/SPECS!qemu-kvm.spec --block-drv-rw-whitelist=qcow2,raw,file,host_device,blkdebug,nbd,iscsi,gluster,rbd --block-drv-ro-whitelist=vmdk,vhdx,vpc,ssh,https So, those listed files are the only ones that will work. You would need to recompile the qemu-kvm RPMs after modifying those whitelist lines in the spec file if you want to add things to the whitelist.
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