re0 "no carrier" problem - Patches found in archives didn't
jpeg at thilelli.net
Sun Jun 19 16:53:00 GMT 2005
>> this may seem obvious, but do you still have the same issue if you
>> statically define the mediatype to a fixed link speed and duplex?
>> lots of interfaces have problems negotiating autoselect with
>> switches, as protocols vary widely. the blinking is indicative of
>> autoselect setup woes...
> When I set the media by hand it showed 'active', but no data could be
> transmitted (yellow link diode on switch, not blinking). I then pulled
> the switch with my home lan from the wall and plugged my re0 instead -
> It worked!
> So this seems to be the %$R#(@%*$ switch issue. The funny thing is, that
> with media set manually (or sometimes with autoselect) everything works
> fine with this switch (i have used it all day yesterday till evening
> without problem). Now, when i wait some time with media manually set, it
> starts transmitting data and everything works fine.
> Why does it happen? Why is it so unpredictible? Can it be fixed in
> software, or should i throw the switch out the window and by a new one?
Not sure if it is solely "switch related". I encountered the very same
problem for months now using different links ans switches. Moreover, it
seems to be FreeBSD specific since the same machine works better with
See PR kern/80005 for a more long description on a very similar problem.
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