I still have this issue.
I have four computers A, B, C, D that are wired through an 8 port switch to a
Wireless/Wired Router/Gateway.
Computers A & B are both AOpen "XC Mini" PCs. They are different models, and
were purchased at different times. These are the computers that have the issue:
Computer A: AOpen MP945 "XC Mini" with Intel 945GM + ICH7-DH Chipset
Computer B: AOpen MP965 "XC Mini" with Intel GM965 + ICH8M Chipset
Computers C and D, which are wired through the same 8 port switch, do
not have a problem. I also have wireless computers & devices that
connect wirelessly to the same Wireless/Wired Router/Gateway without
issue. A television and another computer (E) also are also wired
directly to the same Wireless/Wired Router/Gateway without issue.
A, B, C, D ------> 8 Port Switch ---------------> Wireless/Wired
Router/Gateway
Wireless Computers & Devices ---------->
E ----------------------------------------->
TV ------------------------------------>
I do not think that this is a hardware failure problem on *both* the
AOpen machines (A & B), since they were purchased over a year apart.
For the on-board NIC to fail on both machines at the same time would be
unlikely.
Additionally, these machines both connected flawlessly before I
installed Ubuntu 10.10 x64. I previously had Kubuntu 10.04 x64 on both
machines. Ubuntu 10.10 x64 is a fresh install on these machines. The
live CD exhibits the same connectivity problem excessively, but I
subjectively feel that the issue becomes somewhat reduced after I
upgrade to the latest kernel 2.6.35-22, after installing Maverick 10.10.
To remedy the problem, I have to restart the machine, until I get an
active ethernet connection. (With the Live CD, I have to repeatedly
reboot from the Live CD).
On the back of the computer, I see that the ethernet adapter light comes
on when I turn the machine on. Often, during the boot splash-screen,
the ethernet adapter light turns off. If this happens, I know that the
computer was unable to connect, so I must reboot. (The ethernet adapter
light will not come on again, even if I do log into Ubuntu). If the
ethernet adapter light is still on by the time the login screen is
displayed, I then know the computer has connected successfully, so I can
go ahead and login.
(If this were a switch problem, wouldn't the ethernet light on the back
of the computer stay on?)
As I mentioned, the other computers on my home network, using the same
switch and gateway, have no problem connecting. The switch and gateway
work fine for the other machines on my network. Also these AOpen
machines did not have this problem with Kubuntu 10.04, so I do not think
this is a hardware failure. I believe something is different in release
10.10 or perhaps the newer Linux kernel that is not compatible with the
Intel ICH* Chipsets in these machines and is causing this problem.
I do not know how to enable "spanning-tree portfast" but I will research
this and see if I can do it. I will also try to pull out the 8 port
switch and connect one of these AOpen machines directly to the gateway,
as you suggested; I will report my results here.
--
[Maverick] Auto eth0 not working after latest package upgrade
https://bugs.launchpad.net/bugs/635475
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