netdev - Re: tg3 driver / BCM5722 dropping to 10Base-HD

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Date:	Wed, 20 Jan 2010 08:40:55 +0100
From:	marco gaddoni <marco.gaddoni@...il.com>
To:	Matt Carlson <mcarlson@...adcom.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: tg3 driver / BCM5722 dropping to 10Base-HD

On Wed, Jan 20, 2010 at 00:08, Matt Carlson <mcarlson@...adcom.com> wrote:
> On Mon, Jan 18, 2010 at 06:17:32AM -0800, marco gaddoni wrote:
>> Hello,
>>
>> i have a dell with a BCM5722 driven by the tg3 driver.
>>
>> this pc is connected to an unmanaged switch by micronet;
>> the connection is at 1000MBs.
>>
>> the system is normally stable;
>> sometimes the connection get dropped to 10Mbs/HD.
>>
>> i can get te connection back up to 1000Mbps
>> with an ethtool -t eth0.
>>
>> do you have any idea on what is the cause of this ?
>> is this the wrong adderess?
>>
>> please cc: me as i am not subscibed to netdev.
>>
>> thank you in advance,
>>  marco,
>
> Can you post the driver messages from the syslog and the output of
> ethtool -i eth0?
>
>

hello,

here they are:

tg3.c:v3.99d (May 26, 2009)
tg3 0000:01:00.0: setting latency timer to 64
eth0: Tigon3 [partno(BCM95722) rev a200] (PCI Express) MAC address
00:26:b9:2e:79:b9
eth0: attached PHY is 5722/5756 (10/100/1000Base-T Ethernet) (WireSpeed[1])
eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[1]
eth0: dma_rwctrl[76180000] dma_mask[64-bit]
tg3 0000:02:00.0: setting latency timer to 64
eth1: Tigon3 [partno(BCM95722) rev a200] (PCI Express) MAC address
00:26:b9:2e:79:ba
eth1: attached PHY is 5722/5756 (10/100/1000Base-T Ethernet) (WireSpeed[1])
eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[1]
eth1: dma_rwctrl[76180000] dma_mask[64-bit]

...

tg3: eth0: Link is up at 1000 Mbps, full duplex.
tg3: eth0: Flow control is on for TX and on for RX.


srvlinux:~ # ethtool -i eth0
driver: tg3
version: 3.99d
firmware-version: 5722-v3.08, ASFIPMI v6.02
bus-info: 0000:01:00.0


-- 
"Reality continues to ruin my life." - Calvin.
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