I don't know what autonegotiation is, but if I turn it off like Uriel suggested, the card doesn't freeze when uploading large files..
The card is 0000:02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8036 Fast Ethernet Controller (rev 10) I'm using sky2 on a custom vanilla 2.6.18-git5 kernel. Matteo -- sky2 driver freezing system after ifdown and ifup https://launchpad.net/bugs/38865 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs