Date: Thu, 14 Apr 2011 20:55:17 +0200 From: "K. Macy" <kmacy@freebsd.org> To: Jack Vogel <jfvogel@gmail.com> 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: <BANLkTinw8PcTZ4A3VQXKQs7=zZWL6bt8dA@mail.gmail.com> In-Reply-To: <BANLkTikVVGPb3k74Xdty%2BH_tjjWD3SZ_Ng@mail.gmail.com> References: <20110414130540.GD9116@emmi.physik-pool.tu-berlin.de> <BANLkTikVVGPb3k74Xdty%2BH_tjjWD3SZ_Ng@mail.gmail.com>
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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 number 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 Meßner > <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 structures >> >> I already tried the following patch because of Jack Vogel's advice given >> 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.html >> >> # 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 = 0; >> +static int ixgbe_num_queues = 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.org" >
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