I am also having severe performance problems using NFS-over-TCP on
qemu-0.8 with a Linux host and guest. I will be looking at this
today. My current theory is that the whole machine is going idle
before qemu decides to poll kernel ring buffers holding packets the
guest is transmitting, but if anyone has actual information, please
let me know.
Thanks,
-Ken
> Hello,
>
> I tried the cvs version from about a week ago with the latest kqemu
> driver, but the network problem still exists. I am using:
>
> qemu -net nic -net tap,ifname=my-tap
>
> under Win2k with a Gentoo guest. The network throughput is about 20 MB (
> per Minute ! ). When I use qemu 0.7.2 with the tap patch:
>
> qemu -tap "my-tap"
>
> pthe performance is much better ( about factor 10: 3 MB per second ).
> Whats going wrong there ?
>
> Thanks
>
> Helmut
>
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