VTNET + pf + TSO performance

[krad]

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 at 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 at 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
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> "
> >
>