Severe packet loss on fxp interfaces with the new bridging code...
dillon at apollo.backplane.com
Sat Dec 24 14:54:51 PST 2005
:It looks like this is the problem after all. My machine has 128M of
:ram, which results in 1504 mbuf clusters by default. In operation,
:I have never seen it break 1000, so I assumed that this was not
:the issue. Since the magazine size for clusters ends up being 256
:though, it appears that there is not enough wiggle room for the
:After increasing nmbclusters though, things work perfectly. Still,
:it might be useful for this knob to take into account the number
:of cpus and magazine size.
:Anyways, enjoy the holidays!
Ok. That makes a lot of sense. The granularity is too high and
the objcache can't maintain enough magazines on each cpu. We have
a minimum calculation for that in the kernel which I'll have to
bump up, but I'll do it after the release.
Do you still want a leaf account?
<dillon at xxxxxxxxxxxxx>
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