[Bug 196980] [pci] PCI Resource Allocation Causing 2 em devices to fail during initialization

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196980

Sean Bruno <sbruno at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[lem] PCI Resource          |[pci] PCI Resource
                   |Allocation Causing 2 em     |Allocation Causing 2 em
                   |devices to fail during      |devices to fail during
                   |initialization              |initialization

--- Comment #3 from Sean Bruno <sbruno at FreeBSD.org> ---
This seems to be a PCI problem from what I am seeing.

pcib8: <ACPI PCI-PCI bridge> at device 6.0 on pci4
pcib8: failed to allocate initial I/O port window: 0xd000-0xdfff
pci8: <ACPI PCI bus> on pcib8
em2: <Intel(R) PRO/1000 Legacy Network Connection 1.0.6> mem
0xfdbe0000-0xfdbfffff irq 61 at device 1.0 on pci8
em2: 0x40 bytes of rid 0x20 res 4 failed (0, 0xffffffffffffffff).
em2: Unable to allocate bus resource: ioport
em2: Allocation of PCI resources failed
device_attach: em2 attach returned 6
em2: <Intel(R) PRO/1000 Legacy Network Connection 1.0.6> mem
0xfdbc0000-0xfdbdffff irq 62 at device 1.1 on pci8
em2: 0x40 bytes of rid 0x20 res 4 failed (0, 0xffffffffffffffff).
em2: Unable to allocate bus resource: ioport
em2: Allocation of PCI resources failed
device_attach: em2 attach returned 6

none2 at pci0:8:1:0: class="0x020000" card=0x10118086 chip=0x10108086 rev=0x03
hdr=0x00 
vendor = 'Intel Corporation' 
device = '82546EB Gigabit Ethernet Controller (Copper)' 
class = network 
subclass = ethernet 
bar [10] = type Memory, range 64, base rxfdbe0000, size 131072, enabled 
bar [20] = type I/O Port, range 32, base rxdc00, size 64, disabled 
cap 01[dc] = powerspec 2 supports D0 D3 current D0 
cap 07[e4] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction 
cap 05[f0] = MSI supports 1 message, 64 bit 

none3 at pci0:8:1:1: class="0x020000" card=0x10118086 chip=0x10108086 rev=0x03
hdr=0x00 
vendor = 'Intel Corporation' 
device = '82546EB Gigabit Ethernet Controller (Copper)' 
class = network 
subclass = ethernet 
bar [10] = type Memory, range 64, base rxfdbc0000, size 131072, enabled 
bar [20] = type I/O Port, range 32, base rxd800, size 64, disabled 
cap 01[dc] = powerspec 2 supports D0 D3 current D0 
cap 07[e4] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction 
cap 05[f0] = MSI supports 1 message, 64 bit

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