Thanks Stefan. I think for now you've given us enough data to go on - I've got some research to do and then I'll get back to you.
- Greg > -----Original Message----- > From: Stefan Priebe - Profihost AG [mailto:s.pri...@profihost.ag] > Sent: Wednesday, August 05, 2015 11:32 PM > To: Rose, Gregory V; e1000-devel@lists.sourceforge.net > Subject: Re: [E1000-devel] dropped rx with i40e > > Am 06.08.2015 um 00:22 schrieb Rose, Gregory V: > > Stefan, > > > > Could you please send me the output of 'ethtool' and 'ethtool -i' for > each i40e interface that is experiencing the dropped packets issue? > > These are around 100 cards. So i won't post the output for all of them. > As they're all using the same driver and the same firmware - we updated > all of them i hope it's ok to post the output only from one of them. > > # ethtool eth2 > Settings for eth2: > Supported ports: [ FIBRE ] > Supported link modes: 10000baseT/Full > Supported pause frame use: Symmetric > Supports auto-negotiation: No > Advertised link modes: Not reported > Advertised pause frame use: No > Advertised auto-negotiation: No > Speed: 10000Mb/s > Duplex: Full > Port: Direct Attach Copper > PHYAD: 0 > Transceiver: external > Auto-negotiation: off > Supports Wake-on: g > Wake-on: d > Current message level: 0x0000000f (15) > drv probe link timer > Link detected: yes > # ethtool -i eth2 > driver: i40e > version: 1.3.4-k > firmware-version: f4.33.31377 a1.2 n4.42 e191b > bus-info: 0000:03:00.0 > supports-statistics: yes > supports-test: yes > supports-eeprom-access: yes > supports-register-dump: yes > supports-priv-flags: yes > > > Also, the system log might help also - dmesg can get that. That'll > give me something to look at. > > As this one is pretty long. i pasted dmesg to pastebin: > http://pastebin.com/raw.php?i=7Tjp3eDT > > > By the way, have you tried using ethtool to turn adaptive RX and TX off > using ethtool to see if that has any impact on the dropped packets? > > I tested this one: > ethtool -C eth3 adaptive-rx off adaptive-tx off rx-usecs 2 tx-usecs 0 > > but it has not helped. Still dropped rx packets. While a 2nd system > receiving the same load using ixgbe has no dropped packets. > > > That might be an easy test to run. > > Thanks! > > Greets, > Stefan > > > > Thanks, > > > > - Greg > > > >> -----Original Message----- > >> From: Stefan Priebe [mailto:s.pri...@profihost.ag] > >> Sent: Wednesday, August 05, 2015 11:14 AM > >> To: e1000-devel@lists.sourceforge.net > >> Subject: Re: [E1000-devel] dropped rx with i40e > >> > >> > >> Something i've noticed: > >> ixgbe: > >> Adaptive RX: off TX: off > >> rx-usecs: 1 > >> tx-usecs: 0 > >> > >> i40e: > >> Adaptive RX: on TX: on > >> rx-usecs: 62 > >> tx-usecs: 122 > >> > >> Stefan > >> > >> Am 05.08.2015 um 09:02 schrieb Stefan Priebe - Profihost AG: > >>> Hello list, > >>> > >>> we're using the intel X520 cards with the ixgbe driver since a long > >>> time for our cloud infrastructure. We never had a problem with > >>> dropped packets and everything was always fine. > >>> > >>> Since a year we started switching to the X710 cards as they're > >>> better regarding their specs (lower power consumption, lower > >>> latency, better price). > >>> > >>> We've around 100 X710 cards running now and we had a lot of trouble > >>> with them. Back in 2014 there were a firmware bug, then there were > >>> driver problems with bonding and so on. > >>> > >>> Now we have detected a new problem! We're seeing a lot of rx_dropped > >>> packets on all X710 cards while all ixgbe based cards are working > fine. > >>> > >>> I've tested the 1.2.48 driver als also the latest 1.3.4-k driver > >>> from 4.2-rc5. > >>> > >>> Can anybody help? > >>> > >>> Greets, > >>> Stefan > >>> > >> > >> --------------------------------------------------------------------- > >> ----- > >> ---- > >> _______________________________________________ > >> 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 ------------------------------------------------------------------------------ _______________________________________________ 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
