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reproduced this bug with qemu-kvm-1.5.3-60.el7.x86_64 & 3.10.0-140.el7.x86_64
/usr/libexec/qemu-kvm -M pc -smp 2 -m 4G -monitor stdio -drive file=/dev/disk/by-path/ip-10.66.8.240:3260-iscsi-iqn.2013-11.com.example:storage.disk1.juli.xyz-lun-2,format=raw,aio=native,snapshot=on,id=drive-data-disk,if=none -device virtio-scsi-pci,id=scsi0 -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0 -net none -vnc :10
QEMU 1.5.3 monitor - type 'help' for more information
(qemu) qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: scsi-block: scsi generic interface too old
qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: Device initialization failed.
qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: Device 'scsi-block' could not be initialized
verify bug with qemu-kvm-1.5.3-66.el7.x86_64 on AMD host.
result:
/usr/libexec/qemu-kvm -M pc -smp 2 -m 4G -monitor stdio -drive file=/dev/disk/by-path/ip-10.66.8.240:3260-iscsi-iqn.2013-11.com.example:storage.disk1.juli.xyz-lun-2,format=raw,aio=native,snapshot=on,id=drive-data-disk,if=none -device virtio-scsi-pci,id=scsi0 -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0 -net none -vnc :10
(qemu) qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: cannot get SG_IO version number: Operation not supported. Is this a SCSI device?
qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: Device initialization failed.
qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: Device 'scsi-block' could not be initialized
Verify bug with qemu-kvm-rhev-2.1.0-3.el7ev.preview.x86_64 on Intel host.
/usr/libexec/qemu-kvm -M pc -smp 2 -m 4G -monitor stdio -drive file=/dev/disk/by-path/ip-10.66.8.240:3260-iscsi-iqn.2013-11.com.example:storage.disk1.juli.xyz-lun-2,format=raw,aio=native,snapshot=on,id=drive-data-disk,if=none -device virtio-scsi-pci,id=scsi0 -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0 -net none -vnc :10
QEMU 2.0.92 monitor - type 'help' for more information
(qemu) qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: cannot get SG_IO version number: Operation not supported. Is this a SCSI device?
qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: Device initialization failed.
qemu-kvm: -device scsi-block,drive=drive-data-disk,id=data-disk,bus=scsi0.0: Device 'scsi-block' could not be initialized
Fam,
Can you have a look at this test result? Is it expect?
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHSA-2015-0349.html