Gigabit ethernet RTL8169 problems with kernel 2.6.10-1.760

Ian Searle ian.searle at rmit.edu.au
Thu Feb 3 04:10:22 UTC 2005


>After updating to the latest kernel, 2.6.10-1.760_FC3, I rebooted
>(without cycling the power) and something strange happened.
>
>My gigabit ethernet card (RTL8169 chipset on PCI card) simply
>did not work at all.  The TCP stack seemed fine, but no Ethernet
>frames would ever go out.  No arp resolutions would even happen,
>nor anything else.  No amount of bringing down or up the interface
>(eth0) worked, nor bringing up or down the link (ip link set ...).
>
>I noticed that the activity lights on my gigabit switch for that
>port were continuously busy; but no traffic was entering any
>other ports.  I examined the syslog and nothing out of place
>was found, except the expected things like NFS mounts failing.
>
>
>I finally powered the system completely off then on, and it has
>been behaving correctly ever since.  No network cables were
>touched nor was the switch reset.  Thus, this is no longer an
>immediate problem for me.  But I wanted to report this in case
>there is some kind of linux problem and not just a freak occurrence.

I have experienced something similar - a long time ago.  If I remember
correctly I had a very old NE2000 card that sometimes ceased to work
until powered off.  But that was not with Linux.  I also had problems
with a very ancient Sound Blaster card.  That was with RedHat around
about version 5, I think.  My theory is that the problem is with the
hardware.  The board hardware needs to be reset and this only happens
with recycling the power.
-- 
Ian Searle <ian.searle at rmit.edu.au>
RMIT University
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