Problem with igb(4) updated to version 2.0.7

[Eugene Grosbein]

On 02.12.2010 12:18, Eugene Grosbein wrote:
> Hi!
> 
> I'm building new router using 8.2-PRERELEASE containing new igb(4) driver.
> I use SuperMicro SuperServer 5016T-MTFB based on X8STi-F motherboard
> with add-on Intel Gigabit ET Dual Port Server Adapter in PCIe slot.
> 
> pciconf -lv shows:
> 
> igb0 at pci0:3:0:0:        class=0x020000 card=0xa03c8086 chip=0x10c98086 rev=0x01 hdr=0x00
>     class      = network
>     subclass   = ethernet
> igb1 at pci0:3:0:1:        class=0x020000 card=0xa03c8086 chip=0x10c98086 rev=0x01 hdr=0x00
>     class      = network
>     subclass   = ethernet
> 
> I connect both ports to Cisco 7606 core router and they link
> after "ifconfig ibg1 up" command.
> 
> But "ifconfig igb1 down" does NOT bring link down:
> - ifconfig igb still shows "status: active" (but not UP nor RUNNING);
> - LEDs are on (both SuperServer's and Cisco's)
> - Cisco also shows interfaces in "up" state.
> 
> That's bad as I plan to use EtherChannel/lagg configuration
> and need working up/down management.

> This SuperServer box has two built-in em(4) ports that have not this problem.

Really em(4) does have this probem too.

How do I lock link down using em/igb NICs?

Eugene Grosbein