Re: 11.0-CURRENT and Lenovo ThinkPad E540: No LAN, no WiFI

Am Thu, 18 Sep 2014 10:17:08 +0200
Guido Falsi <mad_at_madpilot.net> schrieb:

> On 09/18/14 09:58, O. Hartmann wrote:
> > Am Tue, 16 Sep 2014 08:40:25 -0700
> > Adrian Chadd <adrian_at_freebsd.org> schrieb:
> > 
> >> Ah, jumbo frames. Maybe you got lucky and some ethernet drivers
> >> default to accepting larger frames even if the MTU is 1500.
> >>
> >>
> >> -a
> > 
> > 
> > After all, I managed to get the NIC up and running. But the culprit is that I have to
> > take the NIC down and then up to make it working once the system has bootet. That is
> > annoying. Lucckily, I can provide better informations since the box s now attached to
> > the network. Here we go:
> > 
> 
> I have a similar situation with my nick on a tower system.
> 
> I need to change at least one flag on the card to have it working, I can
> also just set the flag to the value it already has.
> 
> I'm using a small startup script which actually does this:
> 
> start_cmd="ifconfig ${refix_if} tso"
> 
> 
> > LAN:
> > re0_at_pci0:4:0:0: class=0x020000 card=0x502817aa chip=0x816810ec rev=0x10 hdr=0x00
> >     vendor     = 'Realtek Semiconductor Co., Ltd.'
> >     device     = 'RTL8111/8168B PCI Express Gigabit Ethernet controller'
> >     class      = network
> >     subclass   = ethernet
> >     bar   [10] = type I/O Port, range 32, base 0x3000, size 256, enabled
> >     bar   [18] = type Memory, range 64, base 0xf1d04000, size 4096, enabled
> >     bar   [20] = type Memory, range 64, base 0xf1d00000, size 16384, enabled
> >     cap 01[40] = powerspec 3  supports D0 D1 D2 D3  current D0
> >     cap 05[50] = MSI supports 1 message, 64 bit 
> >     cap 10[70] = PCI-Express 2 endpoint IRQ 1 max data 128(128) link x1(x1)
> >                  speed 2.5(2.5) ASPM disabled(L0s/L1)
> >     cap 11[b0] = MSI-X supports 4 messages, enabled
> >                  Table in map 0x20[0x0], PBA in map 0x20[0x800]
> >     cap 03[d0] = VPD
> >     ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
> >     ecap 0002[140] = VC 1 max VC0
> >     ecap 0003[160] = Serial 1 01000000684ce000
> >     ecap 0018[170] = LTR 1
> >     ecap 001e[178] = unknown 1
> >   PCI-e errors = Correctable Error Detected
> >      Corrected = Receiver Error
> >
> 
> re0_at_pci0:3:0:0: class=0x020000 card=0x11c01734 chip=0x816810ec rev=0x07
> hdr=0x00
>     vendor     = 'Realtek Semiconductor Co., Ltd.'
>     device     = 'RTL8111/8168B PCI Express Gigabit Ethernet controller'
>     class      = network
>     subclass   = ethernet
>     bar   [10] = type I/O Port, range 32, base 0xd000, size 256, enabled
>     bar   [18] = type Prefetchable Memory, range 64, base 0xf2104000,
> size 4096, enabled
>     bar   [20] = type Prefetchable Memory, range 64, base 0xf2100000,
> size 16384, enabled
>     cap 01[40] = powerspec 3  supports D0 D1 D2 D3  current D0
>     cap 05[50] = MSI supports 1 message, 64 bit
>     cap 10[70] = PCI-Express 2 endpoint IRQ 1 max data 128(128) link x1(x1)
>                  speed 2.5(2.5) ASPM disabled(L0s/L1)
>     cap 11[b0] = MSI-X supports 4 messages, enabled
>                  Table in map 0x20[0x0], PBA in map 0x20[0x800]
>     cap 03[d0] = VPD
>     ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
>     ecap 0002[140] = VC 1 max VC0
>     ecap 0003[160] = Serial 1 0100000004000001
>   PCI-e errors = Correctable Error Detected
>                  Unsupported Request Detected
>      Corrected = Advisory Non-Fatal Error
> 
> it's similar hardware, same chip, different revision. I already reported
> this on net_at_ but no patch could really solve the issue.
> 

Hello.

Well, it seems the same here with taht specific NIC. Changing ANYTHING, even already
enabled features, or bringing the NIC down and then up seem to solve this problem.

I guess, I file a PR to make this issue memorized.

Regards,

Oliver