From owner-freebsd-stable@FreeBSD.ORG  Sun Mar  8 09:20:57 2009
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Date: Sun, 08 Mar 2009 10:20:54 +0100
From: Beat Siegenthaler <beat.siegenthaler@beatsnet.com>
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Subject: fxp unusable after make world
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X-List-Received-Date: Sun, 08 Mar 2009 09:20:58 -0000

Hi,

last week I made a rebuild on my system (7.1 RELENG_7 amd64).

After this i could not reach my system from outside the LAN. It was
extremely slow. I suspected Modem, Firewall and so on, because inside my
LAN I could work. But then with tshark I found, that also there where
many retransmissions and checksum errors.

Then, short in time I replaced the dual EtherExpress PRO/100

fxp0@pci0:2:4:0:        class=0x020000 card=0x10158086 chip=0x12298086
rev=0x0d hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82550/1/7/8/9 EtherExpress PRO/100(B) Ethernet Adapter'
    class      = network
    subclass   = ethernet
fxp1@pci0:2:5:0:        class=0x020000 card=0x10158086 chip=0x12298086
rev=0x0d hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82550/1/7/8/9 EtherExpress PRO/100(B) Ethernet Adapter'
    class      = network
    subclass   = ethernet

With two cheap Realtek cards and the problem was gone...

re0@pci0:0:12:0:        class=0x020000 card=0x001a6409 chip=0x816910ec
rev=0x10 hdr=0x00
    vendor     = 'Realtek Semiconductor'
    device     = 'RTL8110SB Single-Chip Gigabit LOM Ethernet Controller'
    class      = network
    subclass   = ethernet
re1@pci0:0:13:0:        class=0x020000 card=0x001a6409 chip=0x816910ec
rev=0x10 hdr=0x00
    vendor     = 'Realtek Semiconductor'
    device     = 'RTL8110SB Single-Chip Gigabit LOM Ethernet Controller'
    class      = network
    subclass   = ethernet


I see that the fxp-code was touched short time ago.

P.S This is the first time since Years, that make world made one of my
Systems unusable....