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Passing through an AMD RX 550 to a Windows 10 VM

jamie543
in VM Engine (KVM)

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Hi all im trying to pass through an AMD RX 550 to a Windows 10 VM but im running into issues.

 

I have tried adding it as a 2nd GPU but i am seeing these errors in the logs

2024-01-20T17:37:14.866635Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:14.866673Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x380000000000, 0x10000000, 0x14cf7cc00000) = -2 (No such file or directory)
2024-01-20T17:37:14.866800Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:14.866805Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x380010000000, 0x200000, 0x14cf7ca00000) = -22 (Invalid argument)
2024-01-20T17:37:15.292810Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:15.292822Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x380000000000, 0x10000000, 0x14cf7cc00000) = -22 (Invalid argument)
2024-01-20T17:37:15.292953Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:15.292957Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x380010000000, 0x200000, 0x14cf7ca00000) = -22 (Invalid argument)
2024-01-20T17:37:15.293938Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:15.293944Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x380010208000, 0x3000, 0x14d199e2d000) = -22 (Invalid argument)
2024-01-20T17:37:15.295788Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:15.295794Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x38001020c000, 0x1000, 0x14d19d45b000) = -22 (Invalid argument)
2024-01-20T17:37:15.301388Z qemu-system-x86_64: VFIO_MAP_DMA failed: Invalid argument
2024-01-20T17:37:15.301395Z qemu-system-x86_64: vfio_dma_map(0x14cf96f61e00, 0x380000000000, 0x10000000, 0x14cf7cc00000) = -22 (Invalid argument)

 

Anyone able to point me in the right direction

  • Quote
    • Author

    The card id detected in the VM just does not give a video output

  • Quote
    • 3 weeks later...

    @jamie543  Maybe this can help you, it solved my issue.

     

    Edited by lzrdking71

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