re0: RealTek 8168/8111B: no carrier

[Pyun YongHyeon]

On Wed, Nov 07, 2007 at 10:32:04AM +0200, Alexander Shikoff wrote:
 > On Wed, Nov 07, 2007 at 04:51:34PM +0900, Pyun YongHyeon wrote:
 > > On Wed, Nov 07, 2007 at 09:37:08AM +0200, Alexander Shikoff wrote:
 > >  > On Wed, Nov 07, 2007 at 09:24:30AM +0900, Pyun YongHyeon wrote:
 > >  > >  > > # pciconf -lv
 > >  > >  > > [...]
 > >  > >  > > re0 at pci0:3:0:0: class=0x020000 card=0xe0001458 chip=0x816810ec rev=0x01 hdr=0x00
 > >  > >  > >     vendor     = 'Realtek Semiconductor'
 > >  > >  > >     device     = 'RTL8168/8111 PCI-E Gigabit Ethernet NIC'
 > >  > >  > >     class      = network
 > >  > >  > >     subclass   = ethernet
 > >  > >  > > [...]
 > >  > >  > 
 > >  > >  > Further investigation... It seems that re(4) driver does not
 > >  > >  > support auto-negotiation correctly. If I manually set media to 100baseTX and 
 > >  > >  > bring up interface with 'ifconfig re0 up' then it works.
 > >  > >  > 
 > >  > > 
 > >  > > Would you show me more information for link partner(i.e. FreeBSD 6.2 box)?
 > >  > 
 > >  > Yes, of course:
 > >  > 
 > >  > FreeBSD 6.2-STABLE			7.0-BETA2
 > >  > 	rl0	<===================>	   re0
 > >  > 
 > >  > rl0: <RealTek 8139 10/100BaseTX> port 0x9000-0x90ff mem 0xfa000000-0xfa0000ff irq 21 at device 1.0 on pci2
 > >  > miibus0: <MII bus> on rl0
 > >  > rl0: Ethernet address: 00:e0:7d:db:ca:98
 > >  > rl0: link state changed to UP
 > >  > 
 > >  > # pciconf -lv
 > >  > rl0 at pci2:1:0:   class=0x020000 card=0x813910ec chip=0x813910ec rev=0x10 hdr=0x00
 > >  >     vendor     = 'Realtek Semiconductor'
 > >  >     device     = 'RT8139 (A/B/C/810x/813x/C+) Fast Ethernet Adapter'
 > >  >     class      = network
 > >  >     subclass   = ethernet
 > >  > 
 > > 
 > > Hmm, the link partner uses rl(4) so show me the PHY driver(rlphy(4)?)
 > > information. (You can extract it from dmesg(8) output.)
 > rlphy0: <RealTek internal media interface> on miibus0
 > rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 > 
 > > Does the link partner has a forced speed/duplex option for rl(4)?
 > No. 
 > # ifconfig rl0
 > rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
 >         options=8<VLAN_MTU>
 >         inet 10.0.34.1 netmask 0xffffff00 broadcast 10.0.34.255
 >         ether 00:e0:7d:db:ca:98
 >         media: Ethernet autoselect (100baseTX <full-duplex>)
 >         status: active
 >  

I couldn't see guilty code. In fact I couldn't reproduce it here.
Since RTL8168/8111 has built-in crossover detection feature how about
using straight cable?

-- 
Regards,
Pyun YongHyeon