So, now all the required output (uname -a, dmesg, lspci -vvnn) for both WORKING (2.6.20-9-lowlatency) and NON_WORKING kernel (2.6.20-11-lowlatency)
** Attachment added: "WORKING (2.6.20-9-lowlatency)" http://librarian.launchpad.net/6850802/working -- RT2500-based wireless G network card cannot be set or reset on 2.6.20-11 https://launchpad.net/bugs/92742 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs