NVMM + Qemu UEFI: Mem Assist Failed [gpa=0xfffffff0]

[Aaron LI]

Hmm, interesting…

Now I suspect it’s UEFI related. Frankly, I never tried this case. And I’m planning to try it out recently. I’ll find time to give it a try.

Do you have any special needs to use UEFI? Otherwise, just use the default BIOS boot and it should work. Let me know whether it works :)

Cheers 
Aaron 

> On Jan 1, 2022, at 22:43, Mario Marietto <marietto2008 at gmail.com> wrote:
> 
> 
> I'm so sorry,but it does not work even with this qemu version :
> 
> pkg install qemu
> pkg info qemu
> 
> qemu-6.0.0_3
> Name           : qemu
> Version        : 6.0.0_3
> Installed on   : Sat Jan  1 15:19:36 2022 CET
> Origin         : emulators/qemu60
> Architecture   : dragonfly:6.2:x86:64
> Prefix         : /usr/local
> Categories     : emulators
> Licenses       : BSD2CLAUSE, MIT, GPLv2, LGPL21
> Maintainer     : aly at aaronly.me
> WWW            : https://www.qemu.org/
> Comment        : Generic and open source machine emulator and virtualizer
> Options        :
>         CAPSTONE       : off
>         CURL           : on                                       VGA Blank mode
>         DEBUG          : off
>         DOCS           : on
>         GNUTLS         : on
>         GTK3           : off
>         ISCSI          : off
>         JPEG           : on
>         NFS            : on
>         NLS            : on
>         OPENGL         : on
>         PNG            : on
>         SAMBA          : off
>         SASL           : on
>         SPICE          : on
>         USBREDIR       : on
>         VDE            : on
>         X11            : on
> 
> this is the vm that I tried to run :
> 
> qemu-system-x86_64 \
> -machine type=q35,accel=nvmm \
> -smp cpus=4 -m 8G \
> -drive if=pflash,format=raw,readonly=on,file=/usr/local/share/uefi-edk2-qemu/QEMU_UEFI_CODE-x86_64.fd \
> -drive if=pflash,format=raw,file=/usr/local/share/uefi-edk2-qemu/QEMU_UEFI_VARS-x86_64.fd \
> -drive file=/mnt/dragonfly-ufs/bhyve/impish-cuda-11-4-nvidia-470.img,if=none,id=disk0 \
> -device virtio-blk-pci,drive=disk0 \
> -netdev user,id=net0,hostfwd=tcp:127.0.0.1:6022-:22 \
> -device virtio-net-pci,netdev=net0 \
> -object rng-random,id=rng0,filename=/dev/urandom \
> -device virtio-rng-pci,rng=rng0 \
> -display curses \
> -vga qxl \
> -spice addr=127.0.0.1,port=5900,ipv4=on,disable-ticketing=on,seamless-migration=on
> 
> and this is the error that I get :
> 
> qemu-system-x86_64: NVMM: Mem Assist Failed [gpa=0xfffffff0]
> qemu-system-x86_64: NVMM: Failed to execute a VCPU.
> Abort trap (core dumped)
> VGA BLANK MODE
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