The following reply was made to PR kern/135222; it has been noted by GNATS.
From: Michael <freebsd...@bindone.de> To: Cc: freebsd-gnats-sub...@freebsd.org Subject: Re: kern/135222: [igb] low speed routing between two igb interfaces Date: Fri, 12 Jun 2009 11:45:47 +0200 The original poster reported that the suggested fix works for him: --- Hello Michael, Thank you. It's working. I consider it necessary to put this into the release errata. Mishustin Andrew wrote: >> Number: 135222 >> Category: kern >> Synopsis: [igb] low speed routing between two igb interfaces >> Confidential: no >> Severity: serious >> Priority: medium >> Responsible: freebsd-bugs >> State: open >> Quarter: >> Keywords: >> Date-Required: >> Class: sw-bug >> Submitter-Id: current-users >> Arrival-Date: Wed Jun 03 18:30:01 UTC 2009 >> Closed-Date: >> Last-Modified: >> Originator: Mishustin Andrew >> Release: FreeBSD 7.1-RELEASE amd64, FreeBSD 7.2-RELEASE amd64 >> Organization: > HNT >> Environment: > FreeBSD test.hnt 7.2-RELEASE FreeBSD 7.2-RELEASE #12: Thu Apr 30 18:28:15 > MSD 20 > 09 ad...@test.hnt:/usr/src/sys/amd64/compile/GENERIC amd64 >> Description: > I made a FreeBSD multiprocesor server to act as simple gateway. > It use onboard Intel 82575EB Dual-Port Gigabit Ethernet Controller. > I observe traffic speed near 400 Kbit/s. > I test both interfaces separately - > ftp client work at speed near 1 Gbit/s in both directions. > Then I change NIC to old Intel "em" NIC - gateway work at speed near 1 > Gbit/s. > > Looks like a bug in igb driver have an effect upon forwarded traffic. > > If you try > hw.igb.enable_aim=0 > The speed is near 1 Mbit/s > > hw.igb.rxd, hw.igb.txd, "ifconfig -tso" has no effect. > > Nothing in messages.log > > netstat -m > 516/1674/2190 mbufs in use (current/cache/total) > 515/927/1442/66560 mbuf clusters in use (current/cache/total/max) > 515/893 mbuf+clusters out of packet secondary zone in use (current/cache) > 0/44/44/33280 4k (page size) jumbo clusters in use (current/cache/total/max) > 0/0/0/16640 9k jumbo clusters in use (current/cache/total/max) > 0/0/0/8320 16k jumbo clusters in use (current/cache/total/max) > 1159K/2448K/3607K bytes allocated to network (current/cache/total) > 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) > 0/0/0 requests for jumbo clusters denied (4k/9k/16k) > 0/0/0 sfbufs in use (current/peak/max) > 0 requests for sfbufs denied > 0 requests for sfbufs delayed > 0 requests for I/O initiated by sendfile > 0 calls to protocol drain routines > > I use only IPv4 traffic. > >> How-To-Repeat: > On machine with two igb interfaces > use rc.conf like this: > > hostname="test.test" > gateway_enable="YES" > ifconfig_igb0="inet 10.10.10.1/24" > ifconfig_igb1="inet 10.10.11.1/24" > > And try create heavy traffic between two networks. >> Fix: > > >> Release-Note: >> Audit-Trail: >> Unformatted: > _______________________________________________ > freebsd-b...@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-bugs > To unsubscribe, send any mail to "freebsd-bugs-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"
