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.
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"
