> Thanks, can you give this little patch a spin:
>
> diff --git a/virt/kvm/arm/vgic-v2.c b/virt/kvm/arm/vgic-v2.c
> index 01124ef..416baed 100644
> --- a/virt/kvm/arm/vgic-v2.c
> +++ b/virt/kvm/arm/vgic-v2.c
> @@ -71,7 +71,7 @@ static void vgic_v2_sync_lr_elrsr(struct kvm_vcpu *vcpu, int lr,
> struct vgic_lr lr_desc)
> {
> if (!(lr_desc.state & LR_STATE_MASK))
> - set_bit(lr, (unsigned long *)vcpu->arch.vgic_cpu.vgic_v2.vgic_elrsr);
> + __set_bit(lr, (unsigned long *)vcpu->arch.vgic_cpu.vgic_v2.vgic_elrsr);
> }
>
> static u64 vgic_v2_get_elrsr(const struct kvm_vcpu *vcpu)
I am now able to boot/run kvm/qemu. Much better. This seems to fix the
problem.
In what looks to be unrelated I sometimes (but not every time) get
another fail.
dmesg:
kvm [5378]: Unsupported fault status: EC=0x24 DFCS=0x20
qemu output:
[root@joelaarch64 qemu]# ./aarch64-softmmu/qemu-system-aarch64
--enable-kvm -nographic -kernel /boot/Joel-linux.Image -drive
file=~/ubuntu-core-14.04.1-core-arm64.img,id=fs -device
virtio-blk-device,drive=fs -m 512 -M virt -cpu host -no-reboot -append
"console=ttyAMA0 console=ttyS0 rootwait root=/dev/vda rw"
error: kvm run failed Bad address
PC=fffffe000043f2ac SP=fffffe001fda3b80
X00=fffffe0000cc0000 X01=0000000000000000 X02=00000000000000c0
X03=0000000000000004
X04=0000000000000000 X05=0000000000000040 X06=000000000000003f
X07=0000000000000000
X08=fffffe0000cc0000 X09=0000000000000000 X10=fffffdfc000e2cf8
X11=fffffe0000b84768
X12=0000000000000000 X13=ffffffffffffffb8 X14=0000000000000001
X15=00000000ffffffff
X16=0000000000007fff X17=00000000000013ff X18=000000000000013f
X19=fffffe001001fc00
X20=fffffe0000cc0000 X21=00000000000080d0 X22=00000000000000f4
X23=fffffe00001e7cd0
X24=fffffe0000c14c38 X25=fffffe0000b72a60 X26=0000000000000000
X27=0000000000000003
X28=0000000000000003 X29=fffffe001fda3b80 X30=fffffe00001834ec
PSTATE=40000245 (flags -Z--)
Tested-by: Joel Schopp <joel.schopp@xxxxxxx>
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