I am affected by this, too. Board is an Intel S5520HC with 2 82575EB NICs. After dropping the acpi-support package both NICs seem to work fine.
Please mail if I can help to track this down. Regards Harri -- aixigo AG, Karl-Friedrich-Strasse 68, 52072 Aachen, Germany Amtsgericht Aachen - HRB 8057, Vorstand: Erich Borsch, Christian Friedrich, Tobias Haustein, Vors. des Aufsichtsrates: Prof. Dr. Ruediger von Nitzsch -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org