Hi, On Wed, Jul 20, 2011 at 12:07 PM, Steven Hartland <kill...@multiplay.co.uk> wrote: > We're seeing tcp stalls under igb under 8.2-RELEASE and 8-STABLE (which > shares > some code with em) and the workaround for use is currently adding the > following > to /boot/loader.conf > hw.igb.enable_msix=0 > > Might be worth trying that. > Unless error of my part, you were pointed out in [0] that you had TCP retransmission issue and you never follow-up that mail.
- Arnaud [0]: http://www.mail-archive.com/freebsd-net@freebsd.org/msg37292.html > Regards > Steve > > ----- Original Message ----- From: "Michael W. Lucas" > <mwlu...@blackhelicopters.org> > To: <freebsd-net@FreeBSD.org> > Sent: Wednesday, July 20, 2011 4:50 PM > Subject: Re: kern/152828: [em] poor performance on 8.1, 8.2-PRE > > >> The following reply was made to PR kern/152828; it has been noted by >> GNATS. >> >> From: "Michael W. Lucas" <mwlu...@blackhelicopters.org> >> To: bug-follo...@freebsd.org >> Cc: r...@sloservers.com >> Subject: Re: kern/152828: [em] poor performance on 8.1, 8.2-PRE >> Date: Wed, 20 Jul 2011 11:49:08 -0400 >> >> I'm seeing the exact same problem here as the original poster. Is >> anybody looking at this? >> >> Running FreeBSD 8.2-RELEASE-p1 amd64, from FreeNAS 8.0 >> >> sysctls: >> dev.em.0.%desc: Intel(R) PRO/1000 Network Connection 7.1.9 >> dev.em.0.%driver: em >> dev.em.0.%location: slot=0 function=0 >> dev.em.0.%pnpinfo: vendor=0x8086 device=0x108b subvendor=0x8086 >> subdevice=0x0000 class=0x020000 >> dev.em.0.%parent: pci1 >> dev.em.0.nvm: -1 >> dev.em.0.debug: -1 >> ... >> >> ifconfig: >> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 >> >> options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC> >> ether 00:15:17:31:c8:fe >> inet 139.171.199.13 netmask 0xffffff00 broadcast 139.171.199.255 >> media: Ethernet autoselect (1000baseT <full-duplex>) >> status: active >> >> dmesg | grep em0 >> em0: <Intel(R) PRO/1000 Network Connection 7.1.9> port 0xbc00-0xbc1f mem >> 0xff6e0000-0xff6fffff irq 16 at device 0.0 on pci1 >> em0: Using an MSI interrupt >> em0: [FILTER] >> em0: Ethernet address: 00:15:17:31:c8:fe >> >> >> >> >> -- >> Michael W. Lucas http://www.MichaelWLucas.com/, >> http://blather.MichaelWLucas.com/ >> Latest book: Network Flow Analysis http://www.networkflowanalysis.com/ >> mwlu...@blackhelicopters.org, Twitter @mwlauthor >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" >> > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. and the > person or entity to whom it is addressed. In the event of misdirection, the > recipient is prohibited from using, copying, printing or otherwise > disseminating it or any information contained in it. > In the event of misdirection, illegible or incomplete transmission please > telephone +44 845 868 1337 > or return the E.mail to postmas...@multiplay.co.uk. > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
