Hi, Some progress on this issue has been made, although it is merely a workaround of the bug.
https://bugzilla.kernel.org/show_bug.cgi?id=47991#c25 I can now get ACPI S3 State to work with Ubuntu 12.04 LTS and ASUS P4S8X-MX mainboard (SiS 661GX/964 chipset). Regards, fpgahardwareengineer ** Bug watch added: Linux Kernel Bug Tracker #47991 http://bugzilla.kernel.org/show_bug.cgi?id=47991 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1068393 Title: [Ubuntu 12.04.1 LTS 32-bit] SiS chipset USB wakes up the system from ACPI S3 State instantaneously bug To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1068393/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs