Date: Thu, 14 Apr 2011 13:18:50 -0700 From: Jack Vogel <jfvogel@gmail.com> To: "K. Macy" <kmacy@freebsd.org> Cc: =?ISO-8859-1?Q?Leon_Me=DFner?= <l.messner@physik.tu-berlin.de>, freebsd-stable@freebsd.org Subject: Re: ixgbe(4) and "Could not setup receive structures" Message-ID: <BANLkTikKjfNrfoZVMjx9LjKkKMfrKvMXXg@mail.gmail.com> In-Reply-To: <BANLkTinw8PcTZ4A3VQXKQs7=zZWL6bt8dA@mail.gmail.com> References: <20110414130540.GD9116@emmi.physik-pool.tu-berlin.de> <BANLkTikVVGPb3k74Xdty%2BH_tjjWD3SZ_Ng@mail.gmail.com> <BANLkTinw8PcTZ4A3VQXKQs7=zZWL6bt8dA@mail.gmail.com>
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So, what do you have in mind as the real problem then? Jack On Thu, Apr 14, 2011 at 11:55 AM, K. Macy <kmacy@freebsd.org> wrote: > That isn't guaranteed to work if he is KVA limited. > > On Thu, Apr 14, 2011 at 6:44 PM, Jack Vogel <jfvogel@gmail.com> wrote: > > If you get this message its only for one reason, you don't have enough > mbufs > > to > > fill your rings. You must do one of two things, either reduce the numbe= r > of > > queues, > > or increase the relevant mbuf pool. > > > > Increase the 9K mbuf cluster pool. > > > > Jack > > > > > > On Thu, Apr 14, 2011 at 6:05 AM, Leon Me=DFner > > <l.messner@physik.tu-berlin.de>wrote: > > > >> Hi, > >> > >> i tried setting the mtu on one of my ixgbe(4) intel NICs to support > >> jumbo frames. This is on a box with RELENG_8 from today. > >> > >> # ifconfig ix0 mtu 9198 > >> > >> I then get the following error: > >> > >> # tail -n 1 /var/log/messages > >> Apr 14 12:48:43 siloneu kernel: ix0: Could not setup receive structure= s > >> > >> I already tried the following patch because of Jack Vogel's advice giv= en > >> in the following thread on -stable in Oct. last year, which still > >> produces the same error message and leaves the box unpingable: > >> > >> > http://lists.freebsd.org/pipermail/freebsd-stable/2010-October/059541.htm= l > >> > >> # cat ~/patches/ixgbe.num_queues_to_4.patch > >> --- /root/.vimbackup/ixgbe.c~ 2011-04-12 22:14:27.000000000 +0000 > >> +++ sys/dev/ixgbe/ixgbe.c 2011-04-12 22:14:27.000000000 +0000 > >> @@ -273,7 +273,7 @@ TUNABLE_INT("hw.ixgbe.hdr_split", &ixgbe > >> * number of cpus. Each queue is a pair > >> * of RX and TX rings with a msix vector > >> */ > >> -static int ixgbe_num_queues =3D 0; > >> +static int ixgbe_num_queues =3D 4; > >> TUNABLE_INT("hw.ixgbe.num_queues", &ixgbe_num_queues); > >> > >> /* > >> > >> _______________________________________________ > >> freebsd-stable@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable > >> To unsubscribe, send any mail to " > freebsd-stable-unsubscribe@freebsd.org" > >> > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.or= g > " > > >
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