You CPU supports SSE3! But it's called PNI (Prescott new instructions) by the Linux kernel for historical reasons. And your flags show, that PNI is supported (see the last two flags), hence marking the bug as Invalid.
** Changed in: ubuntu Status: New => Invalid -- SSE3 Detection failure https://bugs.launchpad.net/bugs/207841 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs