On 03/15/2016 02:12 PM, zhuyj wrote: > Hi, > > I have the similar problem. Would you like to make tests with pktgen > tools? > Maybe the test result is not related with tso.
Sorry. I explain this in details. I have an similar problem. At first, I think it is related with tso. Then I made tests with pktgen tools and found that this similar problem still occurred whether tso is enabled or not. So I suggest to make tests with pktgen tools to exclude tso. Best Regards! Zhu Yanjun > > Zhu Yanjun > > On 03/15/2016 05:43 AM, Sowmini Varadhan wrote: >> Hi, >> >> I am trying out some DB stress tests on both i40e and ixgbe. The >> stress test that I use is rds-stress >> (http://linux.die.net/man/1/rds-stress), >> and I can list out the entire set of steps and parameters that I >> am using to run this if that info is interesting. >> >> My test bed is a pair of X5-2 (Haswell) servers, each with a >> Niantic (X540-AT2) card and a Fortville card. The Niantic/fortville >> cards are connected back-to-back, so I essentially have a 10G >> connection and a 40G connection. >> >> Everything else (kernel, RDS modules, stress test and parameters) >> remaining the same, I get the expected throughput on the 10G >> connection, but the i40e connection goes through a lot of TX >> errors that result in console messages like this: >> >> i40e 0000:81:00.0: TX driver issue detected, PF reset issued >> i40e 0000:81:00.0 eth2: adding 68:05:ca:30:db:30 vid=0 >> i40e 0000:81:00.0: TX driver issue detected, PF reset issued >> i40e 0000:81:00.0 eth2: VSI_seid 390, Hung TX queue 32, >> tx_pending: 82, NTC:0xeb, HWB: 0xeb, NTU: 0x13d, TAIL: 0x13d >> i40e 0000:81:00.0 eth2: VSI_seid 390, Issuing force_wb for TX >> queue 32, Interrupt Reg >> >> I understand these are "mdd errors", but how can I find out what >> triggered these errors, any hints? >> >> The other data-point here is that if I disable tso, and fall back >> to gso, there are no tx errors, and throughput matches the 10G >> connection (for the same set of test parameters). >> >> Please let me know if there is any other info that would help. >> The kernel is a 4.5.0-rc2 kernel. Info for the i40e card is >> >> # ethtool -i eth3 >> driver: i40e >> version: 1.4.8-k >> firmware-version: 5.02 0x80002285 0.0.0 >> bus-info: 0000:81:00.1 >> : >> >> Thanks in advance, >> --Sowmini >> >> ------------------------------------------------------------------------------ >> >> >> Transform Data into Opportunity. >> Accelerate data analysis in your applications with >> Intel Data Analytics Acceleration Library. >> Click to learn more. >> http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 >> _______________________________________________ >> E1000-devel mailing list >> E1000-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/e1000-devel >> To learn more about Intel® Ethernet, visit >> http://communities.intel.com/community/wired > ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
