GigE on PowerMac G5

Andreas Schwab schwab at
Mon Mar 6 21:40:59 EST 2006

Benjamin Herrenschmidt <benh at> writes:

> On Sat, 2006-03-04 at 15:53 +0100, Andreas Schwab wrote:
>> I suppose the NIC in the PowerMac G5 can do GigE, yet when plugged into a
>> GB switch it is only willing to talk 100MB with it.  Any idea why?  Kernel
>> is 2.6.16-rc5-git2.
> Works for me... Must be a problem with auto-neg and your switch, or the
> cable.... Can you check how the switch is configured maybe ? You can
> also try forcing the link speed with ethtool.

It's not the cable, I have swapped it with another system where Gb is
working fine.  Neither it's the switch port, I have swapped it too.  I
can't force the speed with ethtool either.  Any other idea what to look


Andreas Schwab, SuSE Labs, schwab at
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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