ACPI crash on Ryzen 7 X370 system

[kallisti5]

I've seen this crash a few times booting from an AMD Ryzen 7 system. Haiku hrev51008 x86_64

ACPI: Executed 1 blocks of module-level executable AML code
ACPI: 7 ACPI AML tables successfully acquired and loaded

ACPI Error: Needed [Integer/String/Buffer], found [Region] 0xffffffff82b0d460 (20160729/exresop-514)
ACPI Exception: AE_AML_OPERAND_TYPE, Could not execute arguments for [IOB2] (Region) (20160729/nsinit-515)
add_memory_type_range(177, 0xfed80000, 0x1000, 0)
add_memory_type_range(178, 0xdb135000, 0x1000, 0)
ACPI: Enabled 4 GPEs in block 00 to 1F
add_memory_type_range(179, 0xce477000, 0x1000, 0)
found io-apic with address 0xfec00000, global interrupt base 0, apic-id 17
mapping io-apic 0 at physical address 0xfec00000
add_memory_type_range(180, 0xfec00000, 0x1000, 0)
io-apic 0 has range 0-23, 24 entries, version 0x00178021, apic-id 17
found io-apic with address 0xfec01000, global interrupt base 24, apic-id 18
mapping io-apic 1 at physical address 0xfec01000
add_memory_type_range(181, 0xfec01000, 0x1000, 0)
io-apic 1 has range 24-55, 32 entries, version 0x001f8021, apic-id 18
setting ACPI interrupt model to APIC
PANIC: unable to find irq routing for PCI 0:0:2
Welcome to Kernel Debugging Land...
Thread 1 "idle thread 1" running on CPU 0
stack trace for thread 1 "idle thread 1"
    kernel stack: 0xffffffff8253d000 to 0xffffffff82542000
frame                       caller             <image>:function + offset
 0 ffffffff82541a98 (+  24) ffffffff80147a2c   <kernel_x86_64> arch_debug_call_with_fault_handler() + 0x16
 1 ffffffff82541ab0 (+  80) ffffffff800aa118   <kernel_x86_64> debug_call_with_fault_handler() + 0x68
 1 ffffffff82541ab0 (+  80) ffffffff800aa118   <kernel_x86_64> debug_call_with_fault_handler() + 0x68
 2 ffffffff82541b00 (+  80) ffffffff800abbdc   <kernel_x86_64> _ZL20kernel_debugger_loopPKcS0_P13__va_list_tagi() + 0x30c
 3 ffffffff82541b50 (+  80) ffffffff800abcee   <kernel_x86_64> _ZL24kernel_debugger_internalPKcS0_P13__va_list_tagi() + 0x6e
 4 ffffffff82541ba0 (+ 240) ffffffff800ac03e   <kernel_x86_64> panic() + 0xbe
 5 ffffffff82541c90 (+ 192) ffffffff8015c439   <kernel_x86_64> _ZL28ensure_all_functions_matchedP15pci_module_infohR6VectorI17irq_routing_entryES4_RS1_I11pci_addressE() + 0x569
 6 ffffffff82541d50 (+ 416) ffffffff8015c62e   <kernel_x86_64> _ZL22read_irq_routing_tableP16acpi_module_infoR6VectorI17irq_routing_entryEPFbiE() + 0x1ae
 7 ffffffff82541ef0 (+  48) ffffffff8015d1fb   <kernel_x86_64> _Z19prepare_irq_routingP16acpi_module_infoR6VectorI17irq_routing_entryEPFbiE() + 0x1b
 8 ffffffff82541f20 (+ 144) ffffffff8015ae18   <kernel_x86_64> _Z11ioapic_initP11kernel_args() + 0x1d8
 9 ffffffff82541fb0 (+  32) ffffffff80155b09   <kernel_x86_64> arch_int_init_io() + 0x19
10 ffffffff82541fd0 (+  32) ffffffff8006111c   <kernel_x86_64> _start() + 0x22c
11 ffffffff82541ff0 (+2108416016) 00000000ce4196d8