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Re: NetXtreme BCM5722 strangeness on Proliant ML115



On Mon, 09 Jul 2012 17:31:46 +0100, Berni Elbourn wrote:

> On 09/07/12 15:14, Camaleón wrote:

(...)

>> Despite the small number of dropped packages (26) the total ammount of
>> received packages is also very low (15.1 MiB), there shouldn't be a
>> single drop.
>>
>> Is "dmesg | grep -i eth0" showing any anomaly?
>>
>>
>>
> I'll give the code from the broadcom website a wiz...just for the record
> here is the status after a few hours of use:
> 
> # sudo ifconfig eth0
> eth0      Link encap:Ethernet  HWaddr 00:21:5a:d3:d0:0c
>            inet addr:192.168.2.10  Bcast:192.168.2.255 
>            Mask:255.255.255.0 inet6 addr: fe80::221:5aff:fed3:d00c/64
>            Scope:Link UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:14050436 errors:0 dropped:26 overruns:0 frame:2 TX
>            packets:3730779 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:20348704555 (18.9 GiB)  TX bytes:614582976 (586.1
>            MiB) Interrupt:19

That's more reasonable as there are no additional dropped packages but 
traffic has increased a lot.

> # dmesg | grep eth0
> [    1.191804] e100 0000:02:04.0: eth0: addr 0xfafff000, irq 18, MAC addr 00:90:27:b0:0a:7d 
> [    6.508590] udev[474]: renamed network interface eth1 to eth1-eth0 
> [    6.532526] udev[470]: renamed network interface eth0 to eth1 
> [    6.584538] udev[474]: renamed network interface eth1-eth0 to eth0 
> [   11.677058] ADDRCONF(NETDEV_UP): eth0: link is not ready 
> [   14.772314] tg3 0000:11:00.0: eth0: Link is up at 1000 Mbps, full duplex 
> [   14.772319] tg3 0000:11:00.0: eth0: Flow control is on for TX and on for RX 
> [   14.772698] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready 
> [   25.520006] eth0: no IPv6 routers present

Beyond the "swaping dance" (eth1 → eth0) the rest looks normal.

I would keep monitoring the interface and the number of dropped packages 
for a while, but regardless the backported kernel is working fine, I'd 
open a bug report so kernel developers review this.

Greetings,

-- 
Camaleón


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