em0 NIC slow on 8.2-p1 amd64?
Mike Tancsa
mike at sentex.net
Fri Jul 22 19:21:07 UTC 2011
On 7/22/2011 3:08 PM, Michael W. Lucas wrote:
>
> Basically the same. I don't think it's disk.
Are you able to saturate the ethernet ? Try something like
/usr/src/tools/tools/netrate/netblast/netblast
on the local ethernet and see if you can generate and receive a full
gigabit on the wire
---Mike
>
> There's kern/152828 claiming a performance regression with em under
> 8.2, but I'm not sure if that is applicable to my system. I'd upgrade
> the kernel to test, but I'm not brave enough to downgrade the kernel
> to 8.0 for comparison. (I've never had good luck running an old kernel
> on a new userland.)
>
> ==ml
>
--
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada http://www.tancsa.com/
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