[Bug 264172] nvme(4): PM9A1 NVMe Samsung 512GB no longer available with 13.1-RELEASE (was working with 13.0)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264172

--- Comment #3 from Warner Losh <imp@FreeBSD.org> ---
(oh, there is a dmesg.boot)

nvme0: <Generic NVMe Device> at device 0.0 numa-domain 0 on pci9
pcib9: Power Fault Detected
pcib9: Power Fault Detected
nvd0: <PM9A1 NVMe Samsung 512GB> NVMe namespace
nvd0: 488386MB (1000215216 512 byte sectors)
nvd0: detached
g_dev_taste: g_dev_taste(nvd0) failed to g_attach, error=6
Root mount waiting for: usbus0
nvme0: detached
pci9: detached

Is the bit in question. What's this Power Fault Detected?

pcib8: <PCI-PCI bridge> port 0xc000 mem 0xf8000000-0xf9ffffff irq 0 at device
2.0 numa-domain 0 on vmd_bus0
pcib8: failed to allocate initial I/O port window: 0-0xafff
pci8: <PCI bus> numa-domain 0 on pcib8
nvme0: <Generic NVMe Device> at device 0.0 numa-domain 0 on pci8
pcib9: <PCI-PCI bridge> port 0xc000 mem 0xf8000000-0xf9ffffff irq 0 at device
3.0 numa-domain 0 on vmd_bus0
pcib9: failed to allocate initial I/O port window: 0-0xbfff
pci9: <PCI bus> numa-domain 0 on pcib9

is from 13.0, but it's talking about vmd_bus0, not pcibX.

I don't really have the ability to test vmd stuff, but I think this might be
related to that and there's some mismatch between the drive and the BIOS. But
since I don't mess with this stuff often, I'm not sure how much more help I can
be.

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