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Bug
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Resolution: Unresolved
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Normal
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rhel-9.4
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qemu-kvm-9.1.0-1.el9
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None
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Moderate
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sst_virtualization
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ssg_virtualization
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3
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QE ack
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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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Pass
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Automated
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x86_64
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Linux
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None
What were you trying to do that didn't work?
The qemu-kvm throws VFIO_MAP_DMA error when hot-plug 2 E810 PF into the VM has virtio-iommu device
Please provide the package NVR for which bug is seen:
Test env:
qemu-kvm-8.2.0-1.el9.x86_64
5.14.0-402.el9.x86_64
How reproducible:
100%
Steps to reproduce
[1] start a VM with virtio+iommu device
[2] hot-plug 2 ice PFs into the VM
[3] check the VM dmesg
[ 29.016009] pci 0000:04:00.0: [8086:1592] type 00 class 0x020000 [ 29.016631] pci 0000:04:00.0: reg 0x10: [mem 0x00000000-0x01ffffff 64bit pref] [ 29.017595] pci 0000:04:00.0: reg 0x1c: [mem 0x00000000-0x0000ffff 64bit pref] [ 29.018235] pci 0000:04:00.0: reg 0x30: [mem 0x00000000-0x000fffff pref] [ 29.018672] pci 0000:04:00.0: Max Payload Size set to 128 (was 256, max 512) [ 29.024645] pci 0000:04:00.0: 126.016 Gb/s available PCIe bandwidth, limited by 8.0 GT/s PCIe x16 link at 0000:00:02.3 (capable of 252.048 Gb/s with 16.0 GT/s PCIe x16 link) [ 29.027846] pci 0000:04:00.0: BAR 0: assigned [mem 0x386000000000-0x386001ffffff 64bit pref] [ 29.027942] pci 0000:04:00.0: BAR 6: assigned [mem 0xfe200000-0xfe2fffff pref] [ 29.027944] pci 0000:04:00.0: BAR 3: assigned [mem 0x386002000000-0x38600200ffff 64bit pref] [ 29.028037] pcieport 0000:00:02.3: PCI bridge to [bus 04] [ 29.028049] pcieport 0000:00:02.3: bridge window [io 0xe000-0xefff] [ 29.031133] pcieport 0000:00:02.3: bridge window [mem 0xfe200000-0xfe3fffff] [ 29.032875] pcieport 0000:00:02.3: bridge window [mem 0x386000000000-0x3867ffffffff 64bit pref] [ 29.052285] gnss: GNSS driver registered with major 239 [ 29.136669] ice: Intel(R) Ethernet Connection E800 Series Linux Driver [ 29.136672] ice: Copyright (c) 2018, Intel Corporation. [ 29.136788] ice 0000:04:00.0: Adding to iommu group 22 [ 29.281754] ice 0000:04:00.0: enabling device (0000 -> 0002) [ 29.689252] ice 0000:04:00.0: DDP package already present on device: ICE OS Default Package version 1.3.30.0 [ 30.170093] ice 0000:04:00.0: 126.016 Gb/s available PCIe bandwidth, limited by 8.0 GT/s PCIe x16 link at 0000:00:02.3 (capable of 252.048 Gb/s with 16.0 GT/s PCIe x16 link) [ 30.189160] ice 0000:04:00.0: PTP init successful [ 30.383208] ice 0000:04:00.0: DCB is enabled in the hardware, max number of TCs supported on this port are 8 [ 30.383211] ice 0000:04:00.0: FW LLDP is disabled, DCBx/LLDP in SW mode. [ 30.383376] ice 0000:04:00.0: Commit DCB Configuration to the hardware [ 30.498048] ice 0000:04:00.0 enp4s0: renamed from eth0 [ 30.701335] i40e: Intel(R) Ethernet Connection XL710 Network Driver [ 30.701338] i40e: Copyright (c) 2013 - 2019 Intel Corporation. [ 31.196193] ice 0000:04:00.0: Using 64-bit DMA addresses [ 32.290574] ice 0000:04:00.0: IRDMA hardware initialization FAILED init_state=4 status=-110 [ 32.415252] irdma: probe of ice.roce.1 failed with error -110
[4] check the qemu-kvm log
# cat /var/log/libvirt/qemu/rhel94.log 2024-01-03T03:14:32.683225Z qemu-kvm: warning: virtio-iommu-memory-region-29-0: Notified about new host reserved regions after probe 2024-01-03T03:14:34.850471Z qemu-kvm: VFIO_MAP_DMA failed: Invalid argument 2024-01-03T03:14:34.850500Z qemu-kvm: vfio_dma_map(0x55e92bdbc010, 0xffffffffffe00000, 0x200000, 0x7fa983800000) = -22 (Invalid argument) ...... 2024-01-03T03:17:03.138369Z qemu-kvm: VFIO_MAP_DMA failed: Invalid argument 2024-01-03T03:17:03.138418Z qemu-kvm: vfio_dma_map(0x55e92bdbc010, 0xfffffffffffdb000, 0x1000, 0x7fa9ad285000) = -22 (Invalid argument)
Expected results
No VFIO_MAP_DMA error
Actual results
The qemu-kvm throws VFIO_MAP_DMA error
- is cloned by
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- Integration
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