# DF-4818 phase 2 — empty MSI pool (hw.ioapic.msi_start=224 -> per-cpu MSI pool empty)
# expected: first pci_alloc_msix_vector fails at i=0; unwind no-op; legacy fallback;
#          disk still attaches; NO nvme panic (panic below is vtpci/vtnet — DIFFERENT driver, see VERDICT.md)
nvme0: mapped 1 normal-int IRQs
nvme0: NVME Version 1.4 maxqe=2048 caps=004018200f0107ff
nvme0: Model QEMU_NVMe_Ctrl BaseSerial AUDNVME nscount=256
nvme0: no MSI-X support, limit comqs to 4
nvme0: Request 12/4 queues, Returns 8/4 queues, rw-sep map (8, 4)
nvme0: Disk nvme0 ns=1 blksize=512 lbacnt=20971520 cap=10GB serno=AUDNVME-1
panic: MSI-X is not setup yet
pci_release_msix_vector_method() at pci_release_msix_vector_method+0x193 0xffffffff808f4193 
pci_release_msix_vector_method() at pci_release_msix_vector_method+0x193 0xffffffff808f4193 
vtpci_intr_release() at vtpci_intr_release+0xe1 0xffffffff80a726f1 
vtnet_attach() at vtnet_attach+0x909 0xffffffff80a70c39 
Stopped at      Debugger+0x7c:  movb    $0,0xbd77f9(%rip)