Hi again,
We finally both found a workaround, which seems obvious now when looking
back at the documentation from the community, though our chipsets were
not specifically listed in that part (and mine was even considered as
good).
The solution was to unload (using rmmod) and blacklist the module
Same issue with Gutsy Gibbon with a RTL8180 chipset on a laptop :
lspci gives :
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8180L 802.11b
MAC (rev 20)
I tried many solutions : native driver with network-manager, ndiswrapper driver
with network-manager, wicd using wext or ndi