Re: [Qemu-devel] KVM/QEMU on Raspberry Pi 3

[Pekka Enberg]

Hi,

On 02/02/2017 19.48, Ard Biesheuvel wrote:
> $ git grep -C5 -ni 0x1DE7EC7EDBADC0DE
> arch/arm64/kvm/sys_regs.h-105-static inline void reset_unknown(struct
> kvm_vcpu *vcpu,
> arch/arm64/kvm/sys_regs.h-106-                           const struct
> sys_reg_desc *r)
> arch/arm64/kvm/sys_regs.h-107-{
> arch/arm64/kvm/sys_regs.h-108-  BUG_ON(!r->reg);
> arch/arm64/kvm/sys_regs.h-109-  BUG_ON(r->reg >= NR_SYS_REGS);
> arch/arm64/kvm/sys_regs.h:110:  vcpu_sys_reg(vcpu, r->reg) =
> 0x1de7ec7edbadc0deULL;
> arch/arm64/kvm/sys_regs.h-111-}
> arch/arm64/kvm/sys_regs.h-112-
>
> In other words (or rather, in words), KVM is triggering this exception
> in the guest deliberately, which I suspect has something to do with
> the lack of a GIC? Are you using these patches Peter mentions?

No, I'm not using Peter's patches. It's mainline Fedora 24 and rawhide QEMU.

- Pekka