Apparent fxp regression in FreeBSD 8.4-RC3

[Michael L. Squires]

Here is pciconf -lvbc under 8.3-RELEASE p8:

hostb0 at pci0:0:0:0:	class=0x060000 card=0x00000000 chip=0x00171166 rev=0x32 hdr=0x00
     vendor     = 'ServerWorks (Was: Reliance Computer Corp)'
     device     = 'CMIC-SL'
     class      = bridge
     subclass   = HOST-PCI
hostb1 at pci0:0:0:1:	class=0x060000 card=0x00000000 chip=0x00171166 rev=0x00 hdr=0x00
     vendor     = 'ServerWorks (Was: Reliance Computer Corp)'
     device     = 'CMIC-SL'
     class      = bridge
     subclass   = HOST-PCI
em0 at pci0:0:1:0:	class=0x020000 card=0x10018086 chip=0x10268086 rev=0x04 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Gigabit Ethernet Controller (82545ep)'
     class      = network
     subclass   = ethernet
     bar   [10] = type Memory, range 64, base 0xfeb60000, size 131072, enabled
     bar   [18] = type Memory, range 64, base 0xfeb00000, size 262144, enabled
     bar   [20] = type I/O Port, range 32, base 0xe000, size 64, enabled
     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
vgapci0 at pci0:0:6:0:	class=0x030000 card=0x00081002 chip=0x47521002 rev=0x27 hdr=0x00
     vendor     = 'ATI Technologies Inc. / Advanced Micro Devices, Inc.'
     device     = 'ATI On-Board VGA for HP Proliant 350 G3 (Rage XL PCI)'
     class      = display
     subclass   = VGA
     bar   [10] = type Memory, range 32, base 0xfd000000, size 16777216, enabled
     bar   [14] = type I/O Port, range 32, base 0xe800, size 256, enabled
     bar   [18] = type Memory, range 32, base 0xfebff000, size 4096, enabled
     cap 01[5c] = powerspec 2  supports D0 D1 D2 D3  current D0
fxp0 at pci0:0:7:0:	class=0x020000 card=0x10508086 chip=0x12298086 rev=0x10 hdr=0x00
     vendor     = 'Intel Corporation'
     device     = '82550/1/7/8/9 EtherExpress PRO/100(B) Ethernet Adapter'
     class      = network
     subclass   = ethernet
     bar   [10] = type Memory, range 32, base 0xfebfd000, size 4096, enabled
     bar   [14] = type I/O Port, range 32, base 0xe400, size 64, enabled
     bar   [18] = type Memory, range 32, base 0xfeb80000, size 131072, enabled
     cap 01[dc] = powerspec 2  supports D0 D1 D2 D3  current D0
bge0 at pci0:0:8:0:	class=0x020000 card=0x800914e4 chip=0x16a614e4 rev=0x02 hdr=0x00
     vendor     = 'Broadcom Corporation'
     device     = 'BCM5702X NetXtreme Gigabit Ethernet'
     class      = network
     subclass   = ethernet
     bar   [10] = type Memory, range 64, base 0xfebe0000, size 65536, enabled
     cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction
     cap 01[48] = powerspec 2  supports D0 D3  current D0
     cap 03[50] = VPD
     cap 05[58] = MSI supports 8 messages, 64 bit 
hostb2 at pci0:0:15:0:	class=0x060000 card=0x425515d9 chip=0x02031166 rev=0xa0 hdr=0x00
     vendor     = 'ServerWorks (Was: Reliance Computer Corp)'
     device     = 'PCI to ISA Bridge (CSB6)'
     class      = bridge
     subclass   = HOST-PCI
atapci0 at pci0:0:15:1:	class=0x01018a card=0x021211d9 chip=0x02131166 rev=0xa0 hdr=0x00
     vendor     = 'ServerWorks (Was: Reliance Computer Corp)'
     device     = 'OSB6/CSB6 PCI EIDE Controller'
     class      = mass storage
     subclass   = ATA
     bar   [10] = type I/O Port, range 32, base 0x1f0, size  8, enabled
     bar   [14] = type I/O Port, range 32, base 0x3f4, size  1, enabled
     bar   [18] = type I/O Port, range 32, base 0x170, size  8, enabled
     bar   [1c] = type I/O Port, range 32, base 0x374, size  1, enabled
     bar   [20] = type I/O Port, range 32, base 0xffa0, size 16, enabled
ohci0 at pci0:0:15:2:	class=0x0c0310 card=0x425515d9 chip=0x02211166 rev=0x05 hdr=0x00
     vendor     = 'ServerWorks (Was: Reliance Computer Corp)'
     device     = 'OHCI Compliant USB Controller (OSB6)'
     class      = serial bus
     subclass   = USB
     bar   [10] = type Memory, range 32, base 0xfebfe000, size 4096, enabled
isab0 at pci0:0:15:3:	class=0x060100 card=0x425515d9 chip=0x02271166 rev=0x00 hdr=0x00
     vendor     = 'ServerWorks (Was: Reliance Computer Corp)'
     device     = 'PCI Bridge (CSB6)'
     class      = bridge
     subclass   = PCI-ISA