re(4) intermittent up/down

[YongHyeon PYUN]

On Thu, Feb 23, 2012 at 04:57:27AM +0700, Nugroho Atmotaruno wrote:
> Hi all,
> 
> I'm using FBSD 9.0-RELEASE with TPLink TG-3268 (rl8169) flapping
> (UP/DOWN every several seconds).
> 
> [nugroho at xtreme ~]$ uname -a
> FreeBSD xtreme.arc.itb.ac.id 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue
> Jan?? 3 07:46:30 UTC 2012
> root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC?? amd64
> 
> [root at xtreme ~]# tail /var/log/messages
> Feb 23 04:47:05 xtreme kernel: re0: link state changed to UP
> Feb 23 04:47:07 xtreme kernel: re0: link state changed to DOWN
> Feb 23 04:47:10 xtreme kernel: re0: link state changed to UP
> Feb 23 04:47:16 xtreme kernel: re0: link state changed to DOWN
> Feb 23 04:47:19 xtreme kernel: re0: link state changed to UP
> Feb 23 04:47:20 xtreme kernel: re0: link state changed to DOWN
> Feb 23 04:47:23 xtreme kernel: re0: link state changed to UP
> Feb 23 04:48:44 xtreme kernel: re0: link state changed to DOWN
> Feb 23 04:48:47 xtreme kernel: re0: link state changed to UP
> 
> 
> [root at xtreme ~]# pciconf -lcv
> re0 at pci0:2:5:0: class=0x020000 card=0x816910ec chip=0x816910ec rev=0x10 hdr=0x00
>     vendor     = 'Realtek Semiconductor Co., Ltd.'
>     device     = 'RTL-8169 Gigabit Ethernet'
>     class      = network
>     subclass   = ethernet
>     cap 01[dc] = powerspec 2  supports D0 D1 D2 D3  current D0
> 
> [root at xtreme ~]# devinfo -rv | grep rg
>                 rgephy0 pnpinfo oui=0xe04c model=0x11 rev=0x3 at phyno=1
> 
> [root at xtreme ~]# ifconfig re0
> re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         options=389b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_UCAST,WOL_MCAST,WOL_MAGIC>
>         ether f8:d1:11:04:15:d6
>         inet 167.205.3.4 netmask 0xffffff80 broadcast 167.205.3.127
>         inet6 fe80::fad1:11ff:fe04:15d6%re0 prefixlen 64 scopeid 0x7
>         inet6 2403:8000:1:1880::4 prefixlen 64
>         nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>         media: Ethernet autoselect (1000baseT <full-duplex>)
>         status: active
> 

Would you try attached patch?
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