From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhuyj Date: Thu, 17 Mar 2016 10:29:38 +0800 Subject: [Intel-wired-lan] [E1000-devel] i40e card Tx resets In-Reply-To: <56EA1481.80600@gmail.com> References: <20160314214333.GP5084@oracle.com> <56E7A7B6.5030209@gmail.com> <56E7CE18.9020004@gmail.com> <20160315105433.GC11063@oracle.com> <56E8D0C5.307@gmail.com> <20160316032523.GC19052@oracle.com> <56E94786.9090701@gmail.com> <20160316143654.GD21307@oracle.com> <56EA1481.80600@gmail.com> Message-ID: <56EA1692.4010303@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On 03/17/2016 10:20 AM, zhuyj wrote: > On 03/16/2016 10:36 PM, Sowmini Varadhan wrote: >> On (03/16/16 19:46), zhuyj wrote: >> >>> It is busy today. Tomorrow I will share the steps about pktgen tools. >> Ok. I can give that a try on my machine. It would be good to >> have some way to reproduce this as simply as possible, maybe >> we can take the discussion to netdev to see if others there >> have experienced this. >> >> --Sowmini >> > 1. modprobe NET_PKTGEN > > 2. download the tar file and uncompress to any directory. > This tar file is from kernel. It is in samples/pktgen/ Sorry. The tar file is in the attachment. Please check it. Zhu Yanjun > > 3. cd pktgen > > 4. pktgen_sample02_multiqueue.sh -i ethx -s size -t cpu_number > > If size is set to a big number, the similar defect will occur. > Adjust this size to a appropriate number, my defect will not occur. > > In the test, I found some types igb nic, such as i210, will work well > no matter the size is a big number. > some nic, such as 82580, it will not work well if the size is too big. > > As such, I think my problem results from the hardware and the big size > triggers this problem. > > I hope this can help us all. > > Zhu Yanjun > -------------- next part -------------- A non-text attachment was scrubbed... Name: pktgen.tgz Type: application/x-compressed-tar Size: 6257 bytes Desc: not available URL: