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RISC-V: Executing floating point instruction in VS mode under KVM acceleration leads to crash
Description of problem:
Executing `fcvt.d.w fa5,a5` in VS mode leads to crash.
Steps to reproduce:
1. Download the Ubuntu 24.10 image https://cdimage.ubuntu.com/ubuntu-server/daily-preinstalled/current/oracular-preinstalled-server-riscv64.img.xz
2. On your amd64 system launch a VM using -accel tcg
3. Inside the VM launch a new VM using -accel kvm with the payload mentioned above
Additional information:
For more details see https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2077731
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