[Bug 221350] Unable to boot/install on HPE Proliant MicroServer Gen10 (AMD Opteron X3000): Hangs/Panics

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221350

--- Comment #51 from Rajesh <rajfbsd at gmail.com> ---
(In reply to Bob Bishop from comment #50)

Thanks for your response Bob. But I have couple of questions

1. __OSC returned error 0x10 -  What does this message mean? Is it really an
issue?

2. Before the panic, we see "Unable to map MSI-X table" (since
bus_alloc_resource_any call fails in xhci_pci_attach). So, driver falls to
alloc MSI (pci_alloc_msi), which also fails because rman_manage_region fails
(in nexus_add_irq).  So, does this mean PCI BAR mappings are not proper to
allocate enough resources to the device? If so, what should be checked in this
case?

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