'Re: [networking-discuss] Is there a problem of Gigabit'

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List:       opensolaris-networking-discuss
Subject:    Re: [networking-discuss] Is there a problem of Gigabit
From:       Henrik Johansson <henrikj () henkis ! net>
Date:       2008-12-18 1:10:33
Message-ID: 24594E9F-45E0-4723-9558-01B1D5BA4F3B () henkis ! net
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Hello Min,

I did a quick tests and it seems that snv_97 does not have this  
problem but snv_98 does.

snv_97 did not lose any of 600 ICMP packages while snv_98 loses 1-5%.

I have had limited time to try this today, I can probably do some more  
tests tomorrow.

Regards
Henrik


On Dec 17, 2008, at 5:06 AM, Min Miles Xu wrote:

> Hi Henrik,
> Thanks for the information. I notice you are also using 82541. The  
> issue sounds like a chip specific one.
> I just reviewed all the recent putbacked CR before snv_104 of e1000g.
>
>       6713032 e1000g port hang, no xmit, no recv
>       6767201 e1000g default_mtu does not coincide with  
> max_frame_size on some chipsets when set via e1000g.conf
>       PSARC 2008/608 brussels property permissions
>       6723890 ndd interface donesn't report properties' read/write  
> capacities correctly after CR 6667363
>
> was put back in snv_104, which should have no impact to 82541.
>
>       6727113 e1000g performance regression is observed with large  
> connection and packet size if LSO is enabled
>       6756917 LSO is not enabled on some e1000g chips
>
> was put back in snv_103, which should have no impact to 82541.
>
>       6644298 some DLPI test cases fail in DomU when trying to  
> receive in promiscuous and/or multicast mode
>       PSARC 2008/382 Fast Reboot
>       6714038 Fast Reboot support for x86 platforms
>
> was put back in snv_100.
>
>       6666998 Add support for ICH10 in e1000g driver
>       6709230 Requesting driver support in e1000g for new Intel(R)  
> single port MAC/PHY NIC
>
> was put back in snv_99.
>
>       6705005 e1000g LINK/ACT LED behaviour is not consistent with  
> the EEPROM default
>       6738552 e1000g rx_lock is not initialized and destroyed in the  
> code
>       6634746 e1000g is missing lint target in Makefile
>
> was put back in snv_98.
>
> Since I don't have such type of chip on hand, could you do me a  
> favor to identify in which version the problem started to emerge?
>
>
> Thanks,
>
> Miles Xu
>
> Henrik Johansson wrote:
>> Greetings ,
>>
>> I have the same problem with the same type of adapter in SNV_104.   
>> Transfers are terrible slow and I am seeing 2-6 percent packet  
>> loss  with ping. The same setup works fine if I switch to a  
>> Cassini  interface and I even tried booting a different os from a  
>> live-CD to  confirm that the NIC hardware was working.
>>
>> I have also tried to disable both hardware checksum and lso  
>> without  any better results. I can also confirm that this only  
>> occurs when  running gigabit speed, if I force it to 100MBit or use  
>> a 100MBit  switch it works fine.
>>
>> Adapter PWLA8391GT:
>> # prtconf -vpPD | grep "pciclass,0200" |grep 8086
>>                 compatible: 'pci8086,107c.8086.1376.5' +   
>> 'pci8086,107c.8086.1376' + 'pci8086,1376' + 'pci8086,107c.5' +   
>> 'pci8086,107c' + 'pciclass,020000' + 'pciclass,0200'
>>
>> Regards
>> Henrik
>>
>> On Dec 16, 2008, at 2:38 PM, Min Miles Xu wrote:
>>
>>
>>> Hi Dedhi,
>>> LSO issue was fixed in Build 103. Just for confirmation, you  
>>> meant  that
>>> the issue still persisted when LSO was disabled, right? (It only   
>>> affects
>>> host golf(Intel 82572). Charlie(Intel 82541) doesn't support LSO)
>>> First could you identify the issue was on golf or charlie? I got a
>>> separate report complaining 82541 was suffering performance  
>>> problem in
>>> Build 103.
>>>
>>> Regards,
>>>
>>> Miles Xu
>>>
>>>
>>> Dedhi Sujatmiko wrote:
>>>
>>>> Ted You wrote:
>>>>
>>>>> Hi Dedhi,
>>>>>
>>>>> Could you please let us know the device id of the e1000g NIC on  
>>>>> your
>>>>> system? You can get it with the following command:
>>>>>
>>>>> % prtconf -vpPD | grep "pciclass,0200"
>>>>>
>>>>>
>>>> Hi Ted,
>>>>
>>>> at host charlie :
>>>>
>>>> root@charlie # prtconf -vpPD | grep "pciclass,0200"
>>>>               compatible: 'pci8086,1229.8086.1.2' +
>>>> 'pci8086,1229.8086.1' + 'pci8086,1' + 'pci8086,1229.2' +
>>>> 'pci8086,1229' + 'pciclass,020000' + 'pciclass,0200'
>>>>               compatible: 'pci8086,107c.8086.1376.5' +
>>>> 'pci8086,107c.8086.1376' + 'pci8086,1376' + 'pci8086,107c.5' +
>>>> 'pci8086,107c' + 'pciclass,020000' + 'pciclass,0200'
>>>>
>>>> It is : http://www.newegg.com/Product/Product.aspx?Item=N82E16833106121
>>>> Intel PWLA8391GT 10/ 100/ 1000Mbps PCI PRO/1000 GT Desktop  
>>>> Adapter  1 x
>>>> RJ45 - OEM
>>>>
>>>>
>>>> at host golf :
>>>>
>>>> bash-3.2# prtconf -vpPD | grep "pciclass,0200"
>>>>               compatible: 'pciex8086,10b9.8086.1083.6' +
>>>> 'pciex8086,10b9.8086.1083' + 'pciex8086,10b9.6' +  
>>>> 'pciex8086,10b9' +
>>>> 'pciexclass,020000' + 'pciexclass,0200' +   
>>>> 'pci8086,10b9.8086.1083.6' +
>>>> 'pci8086,10b9.8086.1083' + 'pci8086,1083' + 'pci8086,10b9.6' +
>>>> 'pci8086,10b9' + 'pciclass,020000' + 'pciclass,0200'
>>>>               compatible: 'pciex10ec,8168.1458.e000.2' +
>>>> 'pciex10ec,8168.1458.e000' + 'pciex10ec,8168.2' + 'pciex10ec, 
>>>> 8168' +
>>>> 'pciexclass,020000' + 'pciexclass,0200' + 'pci10ec,  
>>>> 8168.1458.e000.2' +
>>>> 'pci10ec,8168.1458.e000' + 'pci1458,e000' + 'pci10ec,8168.2' +
>>>> 'pci10ec,8168' + 'pciclass,020000' + 'pciclass,0200'
>>>>               compatible: 'pci8086,1229.1' + 'pci8086,1229' +
>>>> 'pciclass,020000' + 'pciclass,0200'
>>>> bash-3.2#
>>>>
>>>> It is : http://www.newegg.com/Product/Product.aspx?Item=N82E16833106033
>>>> Intel EXPI9301CTBLK 10/ 100/ 1000Mbps PCI-Express Network Adapter  
>>>> 1 x
>>>> RJ45 - Retail
>>>>
>>>> best regards,
>>>>
>>>> Dedhi
>>>>
>>> _______________________________________________
>>> networking-discuss mailing list
>>> networking-discuss@opensolaris.org
>>>
>>
>> Henrik Johansson
>> http://sparcv9.blogspot.com
>>
>>
>>
>> _______________________________________________
>> networking-discuss mailing list
>> networking-discuss@opensolaris.org
>>

Henrik Johansson
http://sparcv9.blogspot.com



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