em performs worse than igb (latency wise) in 12?
petefrench at ingresso.co.uk
Fri Apr 5 18:57:03 UTC 2019
On 05/04/2019 16:01, Kris von Mach wrote:
> I've upgraded from Stable 11 to Stable 12, and noticed that igb has been
> removed and is now part of em driver. However, the performance seems a
> lot worse. This is using HP 366FLR which is just HP's version of Intel
> i350 I believe.
Something odd going on there there - I am using 12-STABLE and I have igb
just fine, and it attaches to the same hardware that 11 did:
[petefrench at dilbert ~]$ ssh turpentine
Last login: Fri Apr 5 18:52:50 2019 from 2a02:b90:3002:411::6
FreeBSD 12.0-STABLE r343538 GENERIC
Baby baby turpentine...
[webadmin at turpentine ~]$ ifconfig igb0
igb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
inet 10.32.10.5 netmask 0xffff0000 broadcast 10.32.255.255
inet6 fe80::ae1f:6bff:fe46:5e32%igb0 prefixlen 64 scopeid 0x1
inet6 2a02:1658:1:2:e550::5 prefixlen 64
media: Ethernet autoselect (1000baseT <full-duplex>)
Do you have a custom kernel, and if so did you see this note in UPDATING?
The igb(4), em(4) and lem(4) ethernet drivers are now
IFLIB. If you have a custom kernel configuration that excludes
but you use igb(4), you need to re-add em(4) to your custom
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