Re: [E1000-devel] 3.11-rc4 ixgbevf: endless "Last Request of type 00 to PF Nacked" messages

2013-08-13 Thread Bjorn Helgaas
On Tue, Aug 13, 2013 at 3:54 PM, Skidmore, Donald C wrote: > We were unable to recreate your failure here locally so I have some > additional questions. First off you mentioned it was failing as far back as > v3.9, was it ever working for you? If so bisecting would be really helpful > as I m

Re: [E1000-devel] 3.11-rc4 ixgbevf: endless "Last Request of type 00 to PF Nacked" messages

2013-08-13 Thread Skidmore, Donald C
Hey Bjorn, Sorry for the slow reply I was on vacation last week and have been playing catch up on my email. We were unable to recreate your failure here locally so I have some additional questions. First off you mentioned it was failing as far back as v3.9, was it ever working for you? If

Re: [E1000-devel] 82576 and PTP: poll tx timestamp timeout

2013-08-13 Thread Vick, Matthew
On 8/13/13 12:11 PM, "Gert-Jan Roskam" wrote: >Since I think this is an issue with the 82576 chip, I am sending this to >both the ptp and e1000 lists. > > A few months ago I had trouble with the INTEL 82576 and PTP. I got >errors like: recvmsg tx timestamp failed: Resource temporarily >unavailab

[E1000-devel] 82576 and PTP: poll tx timestamp timeout

2013-08-13 Thread Gert-Jan Roskam
Since I think this is an issue with the 82576 chip, I am sending this to both the ptp and e1000 lists. A few months ago I had trouble with the INTEL 82576 and PTP. I got errors like: recvmsg tx timestamp failed: Resource temporarily unavailable. It was suggested to switch to a newer kernel, wh

Re: [E1000-devel] tcp_window and ixgbe problem vs e1000e

2013-08-13 Thread Alexander Duyck
On 08/13/2013 05:34 AM, Alexey Stoyanov wrote: >> I am not an expert when it comes to setting up rate limiting. What you >> would need to do is setup a qdisc and configure it to limit your >> outgoing traffic. You can probably find more information on how to do >> that on the web as what you are

Re: [E1000-devel] tcp_window and ixgbe problem vs e1000e

2013-08-13 Thread Alexey Stoyanov
> Also please try the nuttcp tool for bandwidth testing, as it reports the > number of retransmits during each run. > > if the packets are overrunning a switch buffer somewhere in your network > path, you can use apps like nuttcp to bandwidth limit udp sends in order > to help troubleshoot what you

Re: [E1000-devel] tcp_window and ixgbe problem vs e1000e

2013-08-13 Thread Alexey Stoyanov
> I am not an expert when it comes to setting up rate limiting. What you > would need to do is setup a qdisc and configure it to limit your > outgoing traffic. You can probably find more information on how to do > that on the web as what you are seeing could be buffer bloat. A good > test for la

Re: [E1000-devel] tcp_window and ixgbe problem vs e1000e

2013-08-13 Thread Brandeburg, Jesse
On Mon, 2013-08-12 at 16:40 -0700, Alexander Duyck wrote: > On 08/12/2013 03:28 PM, Alexey Stoyanov wrote: > > I done reload of ixgbe with MQ=0,0 and RSS=1,1 > > There are no luck with speed. > > > > [ 3] local xxx.xxx.185.135 port 5001 connected with yy.yy.74.11 port 5001 > > [ ID] Interval