sk0: watchdog timeout

[Danial Thom]

--- Vladimir Dvorak <dvorakv at vdsoft.org> wrote:

> Bernhard Fischer wrote:
> 
> >>>If you change hardware settings, you should
> also maintain the same
> >>>settings on both ends of the wire, i.e. at
> the computer *and* the
> >>>ethernet switch.
> >>>      
> >>>
> >>[SNIP]
> >>
> >>I just forced it to use 100baseTX /
> >>full-duplex which I think was used before I
> forced it as well.
> >>    
> >>
> >
> >That's exactly what I ment. If you force your
> sk0 to 100-full do the same with 
> >your switch. If you set sk0 to auto-config --
> do it with your switch.
> >
> >Watch your interface-counters: 
> >
> >netstat -I sk0 -b -d -t
> >
> >If the hardware (cards, cabeling, plugs, ...)
> is ok, there shouldn't be any 
> >errors for days or even weeks!
> >
> >Regards,
> >bh
> >  
> >
> Hi Bernhard,
> 
> thanks for your message. I suppose we all know
> something about
> networking, but this is hardware/driver related
> problem ( with the
> highest probability ). I used my server in two
> different environments -
> at home and now at serverhouse. No difference.
> Still getting (from time to time ):
> 
> sk0: watchdog timeout
> sk0: link state changed to DOWN
> sk0: watchdog timeout
> sk0: link state changed to UP
> sk0: watchdog timeout
> sk0: link state changed to DOWN
> sk0: watchdog timeout
> sk0: link state changed to UP
> sk0: watchdog timeout
> sk0: link state changed to DOWN
> 
> messages. But server still running. I am out of
> ideas how can we solve
> our problem and I am about to buy new network
> card, because this
> stressfull situation is not good. ;-)
> 
> Vladimir

There are generally 2 cases in which you'll get a
watchdog timeout message on a network card
driver. 

1) Your machine is in livelock (ie overrun)
2) There is a problem with the interrupts

Clearly you should know if 1) was occurring. With
2), it could be a driver or hardware problem or
both.

DT


		
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