Good morning, I installed Win 8.1 as guest and it is working fine. It starts fine after guest reboot and guest poweroff, but when I install the AMD Crimson driver in the guest, the VM is only booting the first time after host boot. The second time I start the VM my monitor stays black/off no matter what I boot (with or without driver).
I have a MSI Z77G45 with an Intel i7-2600 and a AMD R9 285. I use the IGD for the host and the AMD card for the guest. As host I use Arch Linux and as Guest Windows 8.1. I blacklisted amdgpu and radeon, I load vfio-pci with options vfio-pci ids=1002:6939,1002:aad8. I tried it with 4.3.3-2-ARCH and 4.1.15-1-ARCH kernels, but both have the same behavior. I installed Windows 8.1 in UEFI/OVMF mode. I got the uefi files from https://www.kraxel.org/repos/jenkins/edk2/ I use this qemu command: /usr/bin/qemu-system-x86_64 -enable-kvm -M q35 -cpu host,kvm=off -smp 3,sockets=1,cores=3,threads=1 -m 4096 -serial none -parallel none -name Wingame -rtc base=localtime -vga none -nographic -display none -device ich9-intel-hda,bus=pcie.0,addr=1b.0,id=sound0 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1 -device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,romfile=/root/qemu/rom/amd285.rom -device vfio-pci,host=01:00.1,bus=root.1,addr=00.1 -drive if=pflash,format=raw,readonly,file=/root/qemu/win10/OVMF_CODE-pure-efi.fd -drive if=pflash,format=raw,file=/root/qemu/win10/my_vars.fd -readconfig /root/qemu/config/ich9-ehci-uhci.cfg -device usb-host,vendorid=0x0079,productid=0x0006 -device usb-host,vendorid=0x045e,productid=0x028e -device usb-host,vendorid=0x062a,productid=0x0252 -device usb-host,vendorid=0x04f3,productid=0x0103 -drive file=/root/qemu/win10/win10.qcow2,id=win,format=qcow2,if=none -device ide-hd,bus=ide.0,drive=win -boot c What am I doing wrong? I thought, this would only appear with VGA, not OVMF. Are there any information missing? Regards lspci: 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) 00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4) 00:1c.2 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation Z77 Express Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 7 Series/C210 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Tonga PRO [Radeon R9 285/380] 01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aad8 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) 04:00.0 Audio device: Creative Labs EMU20k2 [X-Fi Titanium Series] (rev 03) find /sys/kernel/iommu_groups/ -type l /sys/kernel/iommu_groups/0/devices/0000:00:00.0 /sys/kernel/iommu_groups/1/devices/0000:00:01.0 /sys/kernel/iommu_groups/1/devices/0000:01:00.0 /sys/kernel/iommu_groups/1/devices/0000:01:00.1 /sys/kernel/iommu_groups/2/devices/0000:00:02.0 /sys/kernel/iommu_groups/3/devices/0000:00:14.0 /sys/kernel/iommu_groups/4/devices/0000:00:16.0 /sys/kernel/iommu_groups/5/devices/0000:00:1a.0 /sys/kernel/iommu_groups/6/devices/0000:00:1b.0 /sys/kernel/iommu_groups/7/devices/0000:00:1c.0 /sys/kernel/iommu_groups/8/devices/0000:00:1c.1 /sys/kernel/iommu_groups/9/devices/0000:00:1c.2 /sys/kernel/iommu_groups/10/devices/0000:00:1d.0 /sys/kernel/iommu_groups/11/devices/0000:00:1f.0 /sys/kernel/iommu_groups/11/devices/0000:00:1f.2 /sys/kernel/iommu_groups/11/devices/0000:00:1f.3 /sys/kernel/iommu_groups/12/devices/0000:03:00.0 /sys/kernel/iommu_groups/13/devices/0000:04:00.0
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