fun with if_re

[Markus Hitter]

Am 04.02.2009 um 10:05 schrieb Gerrit Kühn:

> After the last update (11th December 2008) I have noticed the  
> following
> strange behaviour on at least two machines (identical hard- and  
> software):
> After weeks of flawless operation, the network connection on both
> interfaces suddenly starts to mangle packages. Even a simple ping  
> can show
> up to 50% or so package loss. The machine is mostly unreachable via  
> net.
> ifconfig up/down did not cure this, turning off checksum-offloading
> and stuff did not help. Even simply rebooting the machine did not  
> make the
> problem go away! I had to power-cycle them by unplugging all cables  
> to get
> back to normal operation.

I've seen a similar, but fully reproducible behavior on this ethernet  
hardware. It turned out to be not a problem of the driver:

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=kern/130957


> Is it
> possible to use if_re from head as drop-in replacement to test the  
> patches
> available after 12/09?

The other way, using an older if_re, worked by replacing sys/dev/re/ 
if_re.c, sys/pci/if_rlreg.h and sys/pci/if_rl.c, so the answer ist  
likely "yes".


MarKus

- - - - - - - - - - - - - - - - - - -
Dipl. Ing. Markus Hitter
http://www.jump-ing.de/