Curiously unable to access network - bce, 7.2-RELEASE on a HP blade server

[Ivan Voras]

I forgot to attach hardware details:

bce0: HP NC373i Multifunction Gigabit Server Adapter (B2) ASIC 
0x57081021 Rev B2 B/C 0x04040105 Flags 2.5G

Additional data point: I cannot reconfigure the card to 100 Mbit 
operation (currently in 1000baseSX autoselect, full-duplex).

Ivan Voras wrote:
> The symptoms are:
> 
>     * The device (bce0, bce1) comes up, is visible in ifconfig, can be 
> configured, is UP and RUNNING, everything looks fine
>     * Apparently, it simply doesn't work - no ping responses, TCP, nothing
>     * But tcpdump shows that the NIC apparently does receive multicast 
> router announcements, and some broadcast ARP traffic; only unicast seems 
> to be affected.
>     * Running "netstat 1" shows that apparently there are some packets 
> received - once a second or so, and the "err" counters are 0.
>     * Digging further, the dev.bce.0.stat_IfinFramesL2FilterDiscards 
> contains an increasing number, currently arround 57000 and the 
> dev.bce.0.stat_IfHCInBadOctets also contains an increasing number, 
> currently around 450,000, while ...InOctets is around 30,000 and 
> ...OutBadOctets is 0.
> 
>  From the sysctls it looks like maybe it's discarding valid input 
> packets. I've tried disabling rxcsum, txcsum and TSO without effect.
> 
> I cannot upgrade or install 8.0 because newusb has some problems with 
> the hardware.
> 
> Any ideas?
> 
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