BUS error on L2, TLB conflict on L1 (2)

<--------- from L2 shell --------------->

[    4.920037]    IO 0x3eff0000..0x3effffff -> 0x00000000
[    4.996899]   MEM 0x10000000..0x3efeffff -> 0x10000000
[    5.073842] pci-host-generic 3f000000.pcie: PCI host bridge to bus 0000:00
[    5.174783] pci_bus 0000:00: root bus resource [bus 00-0f]
[    5.256704] pci_bus 0000:00: root bus resource [io  0x0000-0xffff]
[    5.348891] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff]
[    5.572753] pci 0000:00:02.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref]
[    5.678426] pci 0000:00:03.0: BAR 6: assigned [mem 0x10040000-0x1007ffff pref]
[    5.783620] pci 0000:00:01.0: BAR 1: assigned [mem 0x10080000-0x10080fff]
[    5.881822] pci 0000:00:02.0: BAR 1: assigned [mem 0x10081000-0x10081fff]
[    5.980082] pci 0000:00:03.0: BAR 1: assigned [mem 0x10082000-0x10082fff]
[    6.079633] pci 0000:00:01.0: BAR 0: assigned [io  0x1000-0x103f]
[    6.170976] pci 0000:00:02.0: BAR 0: assigned [io  0x1040-0x105f]
[    6.260985] pci 0000:00:03.0: BAR 0: assigned [io  0x1060-0x107f]
[    6.389769] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003)
[    6.484956] virtio-pci 0000:00:01.0: virtio_pci: leaving for legacy driver
[    6.592415] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003)
[    6.690320] virtio-pci 0000:00:02.0: virtio_pci: leaving for legacy driver
./run-guest.sh: line 121:  1670 Bus error               ./qemu-system-aarch64 -smp $SMP -m $MEMSIZE -machine virt${DUMPDTB}${IRQ} -cpu host -kernel ${KERNEL} -enable-kvm ${DTB} -drive if=none,file=$FS,id=vda,cache=none,format=raw -device virtio-blk-pci,drive=vda -netdev user,id=net0,hostfwd=tcp::2222-:22 -device virtio-net-pci,netdev=net0,mac=de:ad:be:ef:41:48 $BRIDGE_IF -display none -serial $CONSOLE -qmp unix:/var/run/qmp,server,nowait -append "earlycon=pl011,0x09000000 console=ttyAMA0 root=/dev/vda rw $CMDLINE"


<--------- from L1 shell --------------->
[L1 ~]$Unhandled fault: TLB conflict abort (0x92000030) at 0x00000000323b2bb0