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Bug
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Resolution: Not a Bug
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Major
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None
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rhel-10.0
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No
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Important
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rhel-virt-windows
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None
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QE ack
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False
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False
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None
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Red Hat Enterprise Linux
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None
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Unspecified
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Unspecified
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Unspecified
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aarch64
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Windows
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None
What were you trying to do that didn't work?
QE found that the multi-queues function was failing on the ARM platform, but it is normal on the x86 platform. Specifically, both netkvm-wmi and traceview show that CTRL_MQ is not acknowledged, even though the queue is set to 1, despite QE setting the queue to 4 or 8.
Please provide the package NVR for which bug is seen:
- DISTRO=RHEL-10.1-20250824.1
- CPU=Ampere-1a
- virtio-win-prewhql-0.1-279_aarch64
- kernel-6.12.0-122.el10.aarch64
- package seabios-bin is not installed
- package edk2-ovmf is not installed
- swtpm-0.9.0-5.el10.aarch64
- qemu-kvm-core-10.0.0-12.el10.aarch64
How reproducible:
100%
Steps to reproduce
1. Boot the following qemu command line with the multi-queueus
/usr/libexec/qemu-kvm \ -name guest=win11,debug-threads=on \ -blockdev '{"node-name": "file_aavmf_code", "driver": "file", "filename": "/usr/share/edk2/aarch64/QEMU_EFI-silent-pflash.raw", "auto-read-only": true, "discard": "unmap"}' \ -blockdev '{"node-name": "drive_aavmf_code", "driver": "raw", "read-only": true, "file": "file_aavmf_code"}' \ -blockdev '{"node-name": "file_aavmf_vars", "driver": "file", "filename": "/root/avocado/data/avocado-vt/avocado-vt-vm1_rhel101-aarch64-4k-virtio-scsi_qcow2_filesystem_VARS.qcow2", "auto-read-only": true, "discard": "unmap"}' \ -blockdev '{"node-name": "drive_aavmf_vars", "driver": "raw", "read-only": false, "file": "file_aavmf_vars"}' \ -m 8192 \ -smp 8 \ -cpu 'host' \ -machine virt,gic-version=host,pflash0=drive_aavmf_code,pflash1=drive_aavmf_vars,memory-backend=mem-machine_mem \ -object '{"size": 8589934592, "mem-path": "/dev/shm", "share": true, "id": "mem-machine_mem","qom-type": "memory-backend-file"}' \ -nodefaults -vnc 0.0.0.0:14 -monitor stdio -enable-kvm \ -device ramfb \ -device '{"driver":"qemu-xhci","p2":15,"p3":15,"id":"usb"}' \ -device '{"driver":"usb-tablet","id":"input0","bus":"usb.0","port":"1"}' \ -device '{"driver":"usb-kbd","id":"input1","bus":"usb.0","port":"2"}' \ -drive file=/home/kvm_autotest_root/iso/windows/winutils.iso,media=cdrom,if=none,id=drivers -device '{"driver":"usb-storage","drive":"drivers"}' \ -drive file=/home/kvm_autotest_root/iso/windows/virtio-win-prewhql-0.1-279_aarch64.iso,media=cdrom,if=none,id=drivers_win -device '{"driver":"usb-storage","drive":"drivers_win"}' \ -device '{"driver":"pcie-root-port","port":8,"chassis":1,"id":"pci.1","bus":"pcie.0","multifunction":true,"addr":"0x2"}' \ -device '{"driver":"pcie-root-port","port":9,"chassis":2,"id":"pci.2","bus":"pcie.0","addr":"0x2.0x1"}' \ -device '{"driver":"pcie-root-port","port":10,"chassis":3,"id":"pci.3","bus":"pcie.0","addr":"0x2.0x2"}' \ -device '{"driver":"pcie-root-port","port":11,"chassis":4,"id":"pci.4","bus":"pcie.0","addr":"0x2.0x3"}' \ -device '{"driver":"pcie-root-port","port":12,"chassis":5,"id":"pci.5","bus":"pcie.0","addr":"0x2.0x4"}' \ -blockdev '{"driver":"file","filename":"/home/win11_01.qcow2","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-2-format","read-only":false,"discard":"unmap","driver":"qcow2","file":"libvirt-2-storage","backing":null}' \ -device '{"driver":"virtio-scsi-pci","bus":"pci.3","addr":"0x0"}' \ -device '{"driver": "scsi-hd", "id": "image1", "drive": "libvirt-2-format", "write-cache": "on"}' \ -netdev '{"type":"tap","id":"hostnet0","queues": 8}' \ -device '{"driver":"virtio-net-pci","netdev":"hostnet0","id":"net0","mac":"52:54:00:dc:d6:7d","bus":"pci.4","addr":"0x0","vectors":18}' \ -device '{"driver":"virtio-gpu-pci","id":"video0","max_outputs":1,"bus":"pci.5","addr":"0x0"}' \ -chardev socket,id=chrtpm,path=/tmp/guest-swtpm14.sock \ -device '{"driver":"tpm-tis-device","tpmdev":"tpm-tpm0","id":"tpm0"}' \ -tpmdev emulator,id=tpm-tpm0,chardev=chrtpm \ -qmp tcp:localhost:4444,server,wait=off \ -device '{"driver": "vmcoreinfo"}' \ -device pvpanic-pci,bus=pcie.0,addr=0x7 \ -qmp tcp:localhost:5555,server,wait=off
Expected results
netkvm-wmi.bat tells queues=8
Actual results
netkvm-wmi.bat tells queues=1 always
Info: Traceview's log will attach to the Attachment panel.