Re: tg3 driver not advertising 1000mbit

[Jean-Louis Dupond <info@dupondje.be>]

# ethtool -i eth0
driver: tg3
version: 3.97
firmware-version: 5722-v3.08, ASFIPMI v6.02
bus-info: 0000:01:00.0

Kernel version 2.6.29.4

Matt Carlson schreef:
> O.K.  ASF is enabled.  Can you give me the output of 'ethtool -i eth0'
> on as late a kernel (or driver version) as you can?  This should give me
> the firmware version number.
> 
> On Sat, Jun 27, 2009 at 02:58:24AM -0700, Jean-Louis Dupond wrote:
>> Hi,
>>
>> Got the output for gbit & 100mbit now.
>>
>> GBIT:
>> eth0: Tigon3 [partno(BCM95722) rev a200] (PCI Express) MAC address 
>> 00:22:19:be:c4:48
>> 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: eth0: Link is up at 1000 Mbps, full duplex.
>> tg3: eth0: Flow control is off for TX and off for RX.
>>
>>
>> 100mbit (sometimes it goes 100mbit instead of gbit also):
>> eth0: Tigon3 [partno(BCM95722) rev a200 PHY(5722/5756)] (PCI Express) 
>> 10/100/1000Base-T Ethernet 00:22:19:c7:28:c3
>> eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] WireSpeed[1] TSOcap[1]
>> eth0: dma_rwctrl[76180000] dma_mask[64-bit]
>> tg3: eth0: Link is up at 100 Mbps, full duplex.
>> tg3: eth0: Flow control is off for TX and off for RX.
>>
>>
>> Cables are 2 meters long & cat 5e. The servers are in racks, so its all 
>> near each other :)
>>
>>
>> Matt Carlson schreef:
>>> On Fri, Jun 26, 2009 at 02:33:03PM -0700, Jean-Louis Dupond wrote:
>>>> Hi,
>>>>
>>>> All tested kernels had the same issue (2.6.22, 2.5.25.4 & 2.6.28.1).
>>> O.K.  So that means the problem wasn't recently introduced.  Good to
>>> know.
>>>
>>>> dmesg |grep tg3:
>>>>
>>>> tg3.c:v3.97 (December 10, 2008)
>>>> tg3 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
>>>> tg3 0000:01:00.0: setting latency timer to 64
>>>> tg3 0000:01:00.0: PME# disabled
>>>> tg3 0000:02:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
>>>> tg3 0000:02:00.0: setting latency timer to 64
>>>> tg3 0000:02:00.0: PME# disabled
>>>> tg3 0000:01:00.0: PME# disabled
>>>> tg3: eth0: Link is up at 1000 Mbps, full duplex.
>>>> tg3: eth0: Flow control is off for TX and off for RX.
>>>>
>>>> Now here it booted @ Gbit speeds!
>>> The specific set of lines I'm looks something like this:
>>>
>>> eth0: Tigon3 [partno(BCM95722) rev a200] (PCI Express) MAC address 00:10:18:15:16:b6
>>> eth0: attached PHY is 5722/5756 (10/100/1000Base-T Ethernet) (WireSpeed[1])
>>> eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
>>>                                         ^^^^^^
>>> eth0: dma_rwctrl[76180000] dma_mask[64-bit]
>>>
>>>
>>> Like Michael, I'm tempted to look into the cabling too.  How long are
>>> they?  Silly question, but are they Cat5e?  When link does come up, does
>>> it take unusually long?
>>>
>>>> Matt Carlson schreef:
>>>>> Was there a version of the kernel where this device worked reliably?
>>>>>
>>>>> Can you post the driver sign-on messages?  (I'm looking to see if ASF
>>>>> is enabled.)
>>>>>
>>>>> On Fri, Jun 12, 2009 at 03:16:59PM -0700, Jean-Louis Dupond wrote:
>>>>>> I surely tried other cables. But its surely not the cable because:
>>>>>> 1) We tried other cables
>>>>>> 2) After a reboot it works, or after a mii-tool -R
>>>>>> 3) We have this issue on like +100 servers :(
>>>>>>
>>>>>> The servers are connected on a Dell PowerConnect 6248 switch.
>>>>>>
>>>>>> Sincerely
>>>>>>
>>>>>> Michael Chan schreef:
>>>>>>> On Fri, 2009-06-12 at 14:51 -0700, Jean-Louis Dupond wrote:
>>>>>>>> Hello!
>>>>>>>>
>>>>>>>> Here is a mii-tool -vvv on a box that doesn't advertise gbit speeds! It 
>>>>>>>> just doesn't advertise gbit @ random, sometimes it does, sometimes not! 
>>>>>>>> Without any logic in it!
>>>>>>>>
>>>>>>>> # mii-tool  -vvv
>>>>>>>> Using SIOCGMIIPHY=0x8947
>>>>>>>> eth0: link ok
>>>>>>>>     registers for MII PHY 1:
>>>>>>>>       1000 794d 0143 bed0 05e1 0000 0064 2001
>>>>>>>>       0000 0300 0000 0000 0000 0000 0000 3000
>>>>>>> Register 1 shows that autoneg did not complete (bit 5 is not set).
>>>>>>> The tg3 device has advertised 10/100/1000 in register 4 and register 9,
>>>>>>> but registers 5 and 0xa (link partner's advertisement registers are 0).
>>>>>>>
>>>>>>> When it works, these registers should look very different.
>>>>>>>
>>>>>>> Have you tried other cables?  What is the link partner?
>>>>>>>
>>>>>>>>       0000 0101 0000 0000 0000 0000 0000 0000
>>>>>>>>       7477 0104 0000 ffff 2801 0000 8000 0000
>>>>>>>>     product info: vendor 00:50:ef, model 45 rev 0
>>>>>>>>     basic mode:   autonegotiation enabled
>>>>>>>>     basic status: link ok
>>>>>>>>     capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
>>>>>>>> 10baseT-FD 10baseT-HD
>>>>>>>>     advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-
>>>>>>>> control
>>>>>>>>
>>>>>>>> # dmesg | grep tg3
>>>>>>>> [    3.331702] tg3.c:v3.92.1 (June 9, 2008)
>>>>>>>> [   18.238654] tg3: eth0: Link is up at 10 Mbps, half duplex.
>>>>>>>> [   18.238654] tg3: eth0: Flow control is off for TX and off for RX.
>>>>>>>>
>>>>>>>>
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>