Public bug reported:
I've been having this bug for a while - i think since maverick meerkat
and its 2.6.35 kernel?? (Ordinarily, 9/10 times i use my wireless
connection, but i have to use wired at university and i've finally had
enough of this issue :(
(You can check any relevant hardware info you need from data in other
bugs i've posted, but in short i'm on ubuntu 11.10 64bit on an Asus
K51AE.)
related lspci output:
(02:00.0 Ethernet controller: Atheros Communications AR8121/AR8113/AR8114
Gigabit or Fast Ethernet (rev b0))
So it's definitely the atl1e driver and everytime i
shutdown/suspend/restart, the MAC address changes (this is a particular
problem because the university MAC filters us, so i would have to
reregister everytime, were it not for a few commands i picked up from
helpful users to temporarily get around the problem:
sudo ifconfig eth0 down
sudo ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx
sudo ifconfig eth0 up
(Doing this changes the address to one i've registered previously
((However, this only lasts until i shutdown/restart/suspend/until i
remove and reinsert the ethernet cable.))
Sometimes, if i restart, it not only changes the MAC address but
increments the name for the new connection, i.e. After a few restarts, i
can end up being on connection eth8 - when this is the only wired
connection i ever use.
I've used dozens of kernels and many versions of ubuntu and lubuntu
since this first happened (~Dec 2010 - Jan 2011) Possibly a regression
somewhere?
Steps to repeat:
1) Start computer and log in. Check MAC address of wired connection and make a
note of it.
2) Unplug then reinsert the ethernet cable or Restart/Shutdown the computer.
3) Check MAC address and see that it's different to before.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/919504
Title:
Recurring MAC address problem with ATL1E Driver after
suspend/shutdown/restart/ethernet cable removal
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