I have exactly the same problem in i386. The OS version is 12.04.1 32 bit, NIC is Macronix 98715. With 12.10 LiveCD NetworkManager works as designed. Please let me know if you need logs.
I have exactly the same problem in i386. The OS version is 12.04.1 32 bit, NIC is Macronix 98715. With 12.10 LiveCD NetworkManager works as designed.
Please let me know if you need logs.