Date: Wed, 14 Aug 2013 14:04:26 +0100 From: krad <kraduk@gmail.com> To: Bryan Venteicher <bryanv@daemoninthecloset.org> Cc: freebsd-stable@freebsd.org, bane ivosev <bane.ivosev@pmf.uns.ac.rs> Subject: Re: VTNET + pf + TSO performance Message-ID: <CALfReyfYJPeKotcT5GA9m90LEoFGEnOkGprTGJBN-tm5mOMssg@mail.gmail.com> In-Reply-To: <1737845049.15385.1376180211594.JavaMail.root@daemoninthecloset.org> References: <CALfReyeze=NsyozJ3y-he7Lqgrz4vtgBoCJE8UKzYZcjP_8QhA@mail.gmail.com> <1737845049.15385.1376180211594.JavaMail.root@daemoninthecloset.org>
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sorry for the late reply, im running virtualbox ontop of solaris 11, i will extract the verbose boot info, and all the version numbers when I get access later today On 11 August 2013 01:16, Bryan Venteicher <bryanv@daemoninthecloset.org>wrote: > > > ----- Original Message ----- > > Hi > > > > Was there any progress on the thread below? I have a freebsd guest ontop > of > > solaris 11 exhibiting this problem. I'm on a pretty upto date stable > > kernel. The TSO fix works fine but i guess im taking a performance hit > with > > it disabled > > > > I'm not totally sure what is going on. FreeBSD checksum offloading is a > bit limited w.r.t. some virtualization use cases, but that doesn't look > like what you are running into if you just have to disable TSO. > > What hypervisor are you using on Solaris 11? Can you post a bootverbose > dmesg of your guest? I suspect your hypervisor is advertising TSO (GSO > in VirtIO/Linux speak) when the tap/bridge/physical interface doesn't > actually support it and does not do the segmentation in software as a > fallback. > > > > > FreeBSD carrera.snaffler.net 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #0 > > r254177: Sat Aug 10 11:08:17 BST 2013 > > root@carrera.snaffler.net:/usr/obj/usr/src/sys/me > > amd6 > > > > > > > http://lists.freebsd.org/pipermail/freebsd-stable/2012-November/070413.html > > > > http://forums.freebsd.org/showthread.php?t=37814 > > _______________________________________________ > > 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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