| Bug ID | 94530 |
|---|---|
| Summary | AMD R9 Nano reset problem |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | creakbeat@gmail.com |
I am trying to passthrough R9 Nano to a VM, and facing some problems. After Windows 7 has been installed, the latest AMD Crimson edition driver is installed. At first time, the driver works properly. There appears to have the problem when I power off the vm and restart it. The driver was not working until I reboot the host. Here is my system. Manufacturer: Supermicro Product Name: X10DAi CPU: Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz memory: 8GB linux kernel: 3.19.0 $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-3.19.0 root=UUID=fc28306a-e168-406a-805d-cadf70de53ec ro quiet splash intel-iommu=on vfio_iommu_type1.allow_unsafe_interrupts=1 vt.handoff=7 I tried to use qemu version 2.3.1, 2.4.1, and 2.5.1. I also added the device id number into the function vfio_setup_resetfn(), but the problem remains. I start my virtual machine with the following code. qemu-system-x86_64 -enable-kvm \ -M pc -m 4096 -cpu host \ -smp 4,sockets=1,cores=4,threads=1 \ -rtc base=localtime \ -vnc :0 \ -vga none \ -device lsi,id=scsi0,bus=pci.0 \ -device vfio-pci,host=03:00.0,x-vga=on \ -device vfio-pci,host=03:00.1 \ -hda $1 \ -monitor stdio
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