It IS a real bug and it has been fixed here: http://lkml.org/lkml/2007/3/2/64 and is in 2.6.20.2
-- Regression: 2.6.20 fails to suspend because of libata and a Sil0680 controller https://launchpad.net/bugs/76431 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
