If can help I attach my dmidecode output because I have the same problem. As you can see I have an older BIOS version but the CPU and motherboard is the same.
** Attachment added: "my dmidecode output" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/605686/+attachment/1674640/+files/dmidecode.txt -- nointremap needed - Blocked an interrupt request due to source-id verificiation failure https://bugs.launchpad.net/bugs/605686 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