Is this really not an aknowledged problem? I have seen several postings on
internet regarding this, this should be considered as a severe bug.
I have also done some testing on 5.4/Sparc64 and it actually I think I can
replicate the same behaviour there with SMP kernel.
On Sat, 8 Oct 2005, Roger Skjetlein wrote:
Hi,
I have a server with a Supermikro mainboard and two Xeon 3.0Ghz/2MB. When
running kernel with SMP support the network performance is very poor, this is
very visible on NFS traffic. When running UP kernel the performance is as
espected and very good.
I have tried some different GB nics and the problems is static and
independent of modell/brand.
I have also disabled as much as hardware possible, no usb, sio and etc.
Typical indicator is also that the load on the box is skyrocketing when it
starts to serve nfs client, but the cpu load is very load.
Is there any way around this problem?
Regards,
RS
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