re0 link UP/DOWN on 8.1-STABLE amd64

Tom Pusateri pusateri at bangj.com
Wed Aug 11 19:47:39 UTC 2010


On Aug 11, 2010, at 3:11 PM, Zeus V Panchenko wrote:

> Pyun YongHyeon (pyunyh at gmail.com) [10.08.11 19:31] wrote:
>> On Wed, Aug 11, 2010 at 03:50:14PM +0300, Zeus V Panchenko wrote:
>>> Hi All,
>>> 
>>> can enybody help with the subj, please?
>>> 
>>> problem: onboard interface re0 link state UP/DOWN flapping
>>> 
>>> 
>>> i have:
>>> # uname -a 
>>> FreeBSD 8.1-STABLE #0: Mon Aug  9 10:33:17 EEST 2010 amd64
>>> 
>>> # dmidecode
>>> ...
>>> Base Board Information
>>>     Manufacturer: ASUSTeK Computer INC.
>>>     Product Name: AT5NM10-I
>>> ...
>>> 
>>> # pciconf -lcv
>>> re0 at pci0:2:0:0: class=0x020000 card=0x83a31043 chip=0x816810ec rev=0x03 hdr=0x00
>>>    vendor     = 'Realtek Semiconductor'
>>>    device     = 'Gigabit Ethernet NIC(NDIS 6.0) (RTL8168/8111/8111c)'
>>>    class      = network
>>>    subclass   = ethernet
>>>    cap 01[40] = powerspec 3  supports D0 D1 D2 D3  current D0
>>>    cap 05[50] = MSI supports 1 message, 64 bit enabled with 1 message
>>>    cap 10[70] = PCI-Express 2 endpoint IRQ 2 max data 128(256) link x1(x1)
>>>    cap 11[ac] = MSI-X supports 4 messages in map 0x20
>>>    cap 03[cc] = VPD
>>> 
>>> 
>>> # 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 20:cf:30:89:5e:95
>>>        inet 10.10.0.111 netmask 0xffff0000 broadcast 10.10.255.255
>>>        media: Ethernet 1000baseT <full-duplex>
>>>        status: active
>>> 
>>> 
>>> 
>>> 
>>> sporadically interface begins to flap and dmesg shows:
>>> ...
>>> Aug 11 14:29:44 kernel: re0: link state changed to DOWN
>>> Aug 11 14:29:47 kernel: re0: link state changed to UP
>>> Aug 11 14:29:58 kernel: re0: link state changed to DOWN
>>> Aug 11 14:30:01 kernel: re0: link state changed to UP
>>> ...
>>> 
>>> 
>>> systat doesn't show high interrupts on the card
>>> # systat -v
>>>    1 users    Load  0.06  0.02  0.00                  Aug 11 15:45
>>> 
>>> Mem:KB    REAL            VIRTUAL                       VN PAGER   SWAP PAGER
>>>        Tot   Share      Tot    Share    Free           in   out     in   out
>>> Act 1069020  177580  2968312   209660  455852  count
>>> All 1149408  184236 1076855k   251780          pages
>>> Proc:                                                            Interrupts
>>>  r   p   d   s   w   Csw  Trp  Sys  Int  Sof  Flt    278 cow    8057 total
>>>  1          74       885  842 1181   57  268  736    278 zfod        atkbd0 1
>>>                                                          ozfod    22 rl0 irq17
>>> 0.4%Sys   0.1%Intr  0.2%User  0.0%Nice 99.3%Idle        %ozfod  2000 cpu0: time
>>> |    |    |    |    |    |    |    |    |    |    |       daefr    33 re0 irq256
>>>                                                      379 prcfr     2 ahci0 257
>>>                                        29 dtbuf      704 totfr  2000 cpu1: time
>>> Namei     Name-cache   Dir-cache    100000 desvn          react  2000 cpu3: time
>>>   Calls    hits   %    hits   %     87484 numvn          pdwak  2000 cpu2: time
>>>     921     921 100                 24183 frevn          pdpgs
>>>                                                        3 intrn
>>> Disks  ada0  ada1 pass0 pass1                      576392 wire
>>> KB/t  21.40  0.00  0.00  0.00                     1040084 act
>>> tps       2     0     0     0                     1948900 inact
>>> MB/s   0.04  0.00  0.00  0.00                             cache
>>> %busy     0     0     0     0                      455852 free
>>>                                                   427520 buf
>>> 
>>> 
>>> i have changed motherboards ... the same effect. after some time the
>>> problem appears again
>>> 
>>> 
>>> is there any info i can provide?
>>> 
>> 
>> Show me the output of dmesg and "devinfo -rv | rgephy".
> 
> dmesg contains lines as above:
> ...
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> re0: link state changed to DOWN
> re0: link state changed to UP
> ...
> 
> # dmesg|wc -l
>    1917
> 
> as for the devinfo, here it is:
> 
> # devinfo -rv | grep rgephy
>                rgephy0 pnpinfo oui=0x732 model=0x11 rev=0x2 at phyno=1
> 
> now all of the boxes which were trasfered to that motherboard shows the same simptoms :( ... 
> 
> and what i have to add is that external card doesn't show this behaviour! :(
> 
> on the ather box with the same hardware but additional nic:
> 
> # devinfo  -rv | grep rgephy
>                rgephy0 pnpinfo oui=0x732 model=0x11 rev=0x2 at phyno=1
>                rgephy1 pnpinfo oui=0x732 model=0x11 rev=0x3 at phyno=1
> 
> # pciconf -lcv
> re1 at pci0:1:0:0: class=0x020000 card=0x43001186 chip=0x43001186 rev=0x10 hdr=0x00
>    vendor     = 'D-Link System Inc'
>    device     = 'dlg10028 Used on DGE-528T Gigabit adaptor'
>    class      = network
>    subclass   = ethernet
>    cap 01[dc] = powerspec 2  supports D0 D1 D2 D3  current D0
> 
> 
> -- 
> Zeus V. Panchenko
> 

This has been happening to me as well on a 7.1 system with a built-in ethernet on an ASUS motherboard:

pusateri [jj:1001] devinfo -rv | grep rgephy
                rgephy0 pnpinfo oui=0x732 model=0x11 rev=0x2 at phyno=1
pusateri [jj:1002] uname -a
FreeBSD jj.bangj.com 7.1-RELEASE-p8 FreeBSD 7.1-RELEASE-p8 #0: Fri Oct  2 04:45:57 UTC 2009     root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64

from dmesg.boot:

re0: <RealTek 8168/8168B/8168C/8168CP/8168D/8111B/8111C/8111CP PCIe Gigabit Ethe
rnet> port 0xd800-0xd8ff mem 0xfbaff000-0xfbafffff,0xfaff0000-0xfaffffff irq 18
at device 0.0 on pci2
re0: Chip rev. 0x3c000000
re0: MAC rev. 0x00400000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
rgephy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-F
DX, auto
re0: Ethernet address: 00:22:15:73:3e:61
re0: [FILTER]

From dmesg:

re0: watchdog timeout
re0: link state changed to DOWN
re0: link state changed to UP




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