Re: virsh error: driver is not whitelisted

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As you suggested, I build the qemu-kvm-ev package from the SRPM, modify the configure script to include the vvfat driver to the whitelist, install the new binaries and now the instance could start.

Thanks for your help!

Marco Gomes

On 2017-04-19 13:52, Johnny Hughes wrote:
On 04/19/2017 10:00 AM, Marco Aurelio L. Gomes wrote:

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
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

/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:

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:!qemu-kvm/976a86fff9adb9a2a6968b9f73fe9a615266f59b/SPECS!qemu-kvm.spec



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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