Date: Wed, 09 Sep 2009 16:56:50 +0300 From: Danny Braniss <danny@cs.huji.ac.il> To: Fredrik Lindberg <fli@shapeshifter.se> Subject: Re: VirtualBox network patches for FreeBSD (vboxnetflt + vboxnetadp) Message-ID: <E1MlNfG-000OyK-CE@kabab.cs.huji.ac.il> In-Reply-To: Your message of Wed, 09 Sep 2009 15:31:39 %2B0200 .
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> It supports PXE. However the OSE version of VirtualBox does only have > PXE booting on the PCnet interfaces not the Intel ones. > Also, if you're going to boot a FreeBSD kernel you'll need to patch > the etherboot code in virtualbox, otherwise it will abort with > "Unable to load file". i just tried, the pxeboot is loaded, but then it starts complaining: 132.65.16.80 is not in my arp table! ... this is the nfs server, which is differnet from the tftp server. the error seems to come from the pxe code? > I don't know whether it's FreeBSDs pxeboot or etherboot that is the > offender here. > > See, for more info > http://lists.freebsd.org/pipermail/freebsd-emulation/2007-April/003503.html > > > Throughput is not something I have actively looked at, there might be > something that can be optimized regarding mbuf to SG-convertion. > One source is most likely due to its dependency on the netgraph > system which causes an additional packet detour. > It uses netgraph because it's the only reliable way to hook > into the input/output path of ethernet interfaces, and > that also works properly on FreeBSD 7 and higher. > > Fredrik I'll try and install vbox on an apple server, which is connected at 1g, and see what speeds i get there, maybe that will shed some light. cheers, danny
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