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Description of problem:
KVM QE compared the list of cmd line and devices difference between rhel6.4 and rhel7.0. Found some general virtio devices are added. From KVM QE POV, Plese disable or remove usb related devices that qemu-kvm does not support.
Version-Release number of selected component (if applicable):
Host Kernel
#uname -r
3.7.0-0.30.el7.x86_64
qemu-kvm version
qemu-kvm-1.3.0-3.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1.
2.
3.
Actual results:
RHEL6.4
Virtio device
#/usr/libexec/qemu-kvm -device ? 2>&1 | grep -i virtio
name "virtio-scsi-pci", bus PCI, alias "virtio-scsi"
name "virtio-balloon-pci", bus PCI
name "virtio-serial-pci", bus PCI, alias "virtio-serial"
name "virtio-net-pci", bus PCI
name "virtio-blk-pci", bus PCI, alias "virtio-blk"
name "virtserialport", bus virtio-serial-bus
name "virtconsole", bus virtio-serial-bus
RHEL7.0
Virtio device(added virtio-rng-pci and virtio-9p-pci, will be supported on rhel7.0?)
#/usr/libexec/qemu-kvm -device ? 2>&1 | grep -i virtio
name "virtio-blk-pci", bus PCI, alias "virtio-blk"
name "virtio-9p-pci", bus PCI
name "virtserialport", bus virtio-serial-bus
name "virtconsole", bus virtio-serial-bus
name "virtio-serial-pci", bus PCI, alias "virtio-serial"
name "virtio-rng-pci", bus PCI
name "virtio-net-pci", bus PCI, alias "virtio-net"
name "virtio-scsi-pci", bus PCI
name "virtio-balloon-pci", bus PCI, alias "virtio-balloon"
Expected results:
Disable or remove general virtio devices that qemu-kvm does not support
Additional info:
Comment 1Richard W.M. Jones
2013-01-29 08:34:36 UTC
virtio-rng-pci should definitely be in RHEL 7. It's a
very useful device.
virtio-9p-pci is also useful -- libguestfs *could* use it (although
not by default), and I believe that Dan's libvirt sandbox stuff
is based on it. However 9pfs hasn't exactly set the world on fire.
Comment 3Miroslav Rezanina
2013-04-23 09:42:40 UTC
Reproduced this issue using qemu-kvm-1.3.0-6.el7.x86_64, "virtio-9p-pci" is not removed.
# /usr/libexec/qemu-kvm -device ? 2>&1 | grep -i virtio
name "virtio-blk-pci", bus PCI, alias "virtio-blk"
name "virtio-9p-pci", bus PCI
name "virtserialport", bus virtio-serial-bus
name "virtconsole", bus virtio-serial-bus
name "virtio-serial-pci", bus PCI, alias "virtio-serial"
name "virtio-rng-pci", bus PCI
name "virtio-net-pci", bus PCI, alias "virtio-net"
name "virtio-scsi-pci", bus PCI
name "virtio-balloon-pci", bus PCI, alias "virtio-balloon"
Verified this issue using qemu-kvm-1.5.3-35.el7.x86_64, "virtio-9p-pci" is removed.
# /usr/libexec/qemu-kvm -device ? 2>&1 | grep -i virtio
name "virtio-blk-device", bus virtio-bus
name "virtio-blk-pci", bus PCI, alias "virtio-blk"
name "virtio-scsi-device", bus virtio-bus
name "virtio-scsi-pci", bus PCI
name "virtio-net-device", bus virtio-bus
name "virtio-net-pci", bus PCI, alias "virtio-net"
name "virtconsole", bus virtio-serial-bus
name "virtio-serial-device", bus virtio-bus
name "virtio-serial-pci", bus PCI, alias "virtio-serial"
name "virtserialport", bus virtio-serial-bus
name "virtio-balloon-device", bus virtio-bus
name "virtio-balloon-pci", bus PCI, alias "virtio-balloon"
name "virtio-rng-device", bus virtio-bus
name "virtio-rng-pci", bus PCI
This request was resolved in Red Hat Enterprise Linux 7.0.
Contact your manager or support representative in case you have further questions about the request.