Date: Fri, 4 Oct 2013 13:12:01 -0500 (CDT) From: Bryan Venteicher <bryanv@daemoninthecloset.org> To: Stephane D'Alu <Stephane.DAlu@insa-lyon.fr> Cc: freebsd-virtualization@freebsd.org, freebsd-pf@freebsd.org Subject: Re: virtio problems (was: pf deadly slow) Message-ID: <2036273502.48911.1380910321146.JavaMail.root@daemoninthecloset.org> In-Reply-To: <524EE5C1.6070508@insa-lyon.fr> References: <524EBFDD.7090604@insa-lyon.fr> <CA%2B%2BfYEjTnShOo%2Bwm9Q07xc2M-NprkiDjLRL70gNUjW5LZFgSpw@mail.gmail.com> <524EDE9E.2010109@insa-lyon.fr> <524EE5C1.6070508@insa-lyon.fr>
next in thread | previous in thread | raw e-mail | index | archive | help
----- Original Message ----- > Now that I switched from virtio to 82545EM all my networking problems > disappeared. > > Appart from pf, I had also some other small networking problems that I > thought were apache/php related, but were in fact due to virtio. > > virtio is clearly the culprit, but I can't say if it is FreeBSD or > VirtualBox related > > Guest: FreeBSD 9.2 amd64 > Host : FreeBSD 9.2 amd64 > VM : VirtualBox 4.2.18 > > I can provide more information, if you tell me what to look for. > > Disable Tx/Rx checksum offload. The current state of the network stack doesn't work well with forwarding offloaded VirtIO frames. > > On 10/04/13 17:28, Stephane D'Alu wrote: > > On 10/04/13 16:48, sven falempin wrote: > >> configure ALTQ (maybe the absence of configurating is not nicely working), > >> i think freebsd has virtio support , > > > > Yes, since 9.2 virtio drivers are included in base distribution > > > >> > >> i am interested in the result :-) > > > > I switched from virtio to 82545EM (with em driver), and performance are > > back to normal. > > > > Look like a bug / bad interraction between virtio and pf. > > (I don't know if VirtualBox as also a part in it) > > > >> > >> > >> OpenBSD is currently completly rewriting the queing system > >> and improving performance. > >> > >> > >> > >> > >> On Fri, Oct 4, 2013 at 9:17 AM, Stephane D'Alu > >> <Stephane.DAlu@insa-lyon.fr <mailto:Stephane.DAlu@insa-lyon.fr>> wrote: > >> > >> I'm running FreeBSD 9.2 inside VirtualBox with virtio for the nework > >> card. pf is compiled with ALTQ support. > >> > >> My pf.conf file is as follow, which do nearly nothing: > >> set skip on lo0 > >> set skip on vnet0 > >> > >> If pf is enabled, bandwith drop by a 1000 factor! > >> From 10Mb/s to 4Kb/s > >> > >> Any idea, what's going on? > >> > >> > >> PS: > >> - I have the same kind of configuration FreeBSD 9.2, pf + ALTQ > >> and real firewall rules on a non virtualized server and everything > >> is fine. > >> - I will try to remove ALTQ and use em driver instead, to see if there > >> is a performance improvement > >> > >> Sincerly > >> -- > >> Stephane D'Alu -- Ingenieur Recherche > >> Laboratoire CITI / INSA-Lyon > >> Tel: +33 47243 6483 <tel:%2B33%2047243%206483> > >> _______________________________________________ > >> freebsd-pf@freebsd.org <mailto:freebsd-pf@freebsd.org> mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-pf > >> To unsubscribe, send any mail to "freebsd-pf-unsubscribe@freebsd.org > >> <mailto:freebsd-pf-unsubscribe@freebsd.org>" > >> > >> > >> > >> > >> -- > >> --------------------------------------------------------------------------------------------------------------------- > >> () ascii ribbon campaign - against html e-mail > >> /\ > > > > > > > -- > Stephane D'Alu -- Ingenieur Recherche > Laboratoire CITI / INSA-Lyon > Tel: +33 47243 6483 > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to > "freebsd-virtualization-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2036273502.48911.1380910321146.JavaMail.root>