LPAE is actually disabled in my kernel config. Knowing the cause now, I can see that qemu would not be able to detect this problem. This error should have been detected in the linux kernel with an indication that the ECAM window was using a 40-bit address but LPAE was not enabled.
** Changed in: qemu Status: New => Invalid -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1790975 Title: Default arm virt machine broken Status in QEMU: Invalid Bug description: This occurs on qemu_v3.0.0 but not on qemu_v2.12.2 (built from qemu_v3.0.0 tag on github) Symptom: You'll see something like this in the kernel output: [ 1.285210] OF: PCI: host bridge /pcie@10000000 ranges: [ 1.286246] OF: PCI: IO 0x3eff0000..0x3effffff -> 0x00000000 [ 1.287061] OF: PCI: MEM 0x10000000..0x3efeffff -> 0x10000000 [ 1.287820] OF: PCI: MEM 0x8000000000..0xffffffffff -> 0x8000000000 [ 1.289312] pci-host-generic 4010000000.pcie: can't claim ECAM area [mem 0x10000000-0x1fffffff]: address conflict with /pcie@10000000 [mem 0x10000000-0x3efeffff] [ 1.290984] pci-host-generic: probe of 4010000000.pcie failed with error -16 Qemu Command Line: qemu-system-arm -machine virt -m 1024M -kernel zImage -serial stdio I can post my zImage if anyone has problems reproducing with their own zImage. Note that this problem breaks pci making the machine unusable. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1790975/+subscriptions