Unable to get RealTek 8139C+ to work with re(4) under FreeBSD 6.1

Pyun YongHyeon pyunyh at gmail.com
Mon Aug 14 11:08:40 UTC 2006


On Mon, Aug 14, 2006 at 06:55:58PM +0800, Dinesh Nair wrote:
 > 
 > On 08/14/06 18:39 Pyun YongHyeon said the following:
 > >Recent changes from wpaul disabled re_diag() routine by default so it
 > 
 > i disabled re_diag() in /usr/src/sys/dev/if_re.c, and that caused the 
 > kernel trap to go away, as per my original email. also, see my followup 
 > email (to myself) in which i disabled the check for the 8139C+, forcing it 
 > to be recognized by the rl driver and this seems to make it work.
 > 

AFAIK 8139C+ provides 8139 compatible mode which doesn't use
descriptor based transfer mechanism. As you know this mode
really sucks and need much more CPU power to saturate the link.
So I don't think it's good idea to make rl(4) serve 8139C+.

 > >However I've seen one user reported re(4) breakage on stable.
 > >http://lists.freebsd.org/pipermail/freebsd-stable/2006-August/027356.html
 > 
 > that seems to be exactly the problem i initially observed as well.
 > 
 > >Please try latest stable and show your results. If it still does not
 > >work please let us know. I don't have 8139C+ based NICs so it would be
 > 
 > i am on a recent stable, circa two weeks ago as well. have there been 
 > significant changes to the re driver since ?
 > 

Yes. What `ident /boot/kernel/if_re.ko` shows?

-- 
Regards,
Pyun YongHyeon


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