On Mon, 6 Mar 2006, Andrea Venturoli wrote:
Hello.
I've just installed 6.0/AMD64 on an Asus A8V, which features a vr interface.
I'm getting tons of "vr0: rx packet lost" kernel messages as soon as I start
transfering some files on my LAN. Needless to say, network performance is
VERY poor (ranging from 100KB/s to 1MB/s *).
This may sound silly but if performance is that bad have you checked if
you have a Duplex mismatch ? (one side set to full manually and the other
to auto commonly results in duplex mismatches in my experience.
(see http://www.cites.uiuc.edu/network/autosense.html or use google for
more info)
Vince
I've looked in the archives and in bug reports and I've seen someone has
reported this too, but found no solutions.
Someone says that the same board connected to a different switch behaves
correctly.
I can only add that an identical system running 5.4/i386 does not show this
problem.
So, getting to the questions:
_ is this a known problem?
_ was it introduced in 6.0? (And possibly would it be fixed in 6.1?)
_ is it an AMD64 only issue? If so, would I be better of starting from
scratch with i386?
_ any insight on which switches should work, which shouldn't and why?
_ any other info is welcome.
*) Tests indicate ~1MB/s with a generic kernel and 100-150kB/s with my custom
one, which introduces ipfw). I haven't tested thoroughly, however, so don't
take this figures seriously.
bye & Thanks
av.
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