Re: [PATCH 0/4] qemu: TAP filtering support

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On Wed, 2009-02-11 at 12:51 -0700, Alex Williamson wrote:
> >   - What do we need rxfilter=on|off on the command line for?
> 
> Primarily because the current tun driver in Linux has a bug that it can
> drop unicast packets requested to be included in the filter if it
> overflows the exact match table.
> 
> http://www.spinics.net/lists/netdev/msg88451.html

Oh dear. Does this suggest we should make rxfilter=off the default?

Is there any way we can automatically detect we're running on a broken
kernel?

Thanks,
Mark.


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