I tested to use the upstream kernel from your link http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc6-raring/ .
And i install 2 package that you advice linux-image and linux-image- extra .deb packages in AMD64. After that i reboot server and chose to new 3.7 kernel but it not boot UP!. It still hang in Black screen after i chose new 3.7 kernel. Agian and agian . Sorry i think i can,t Test this That you advice agian. because That Server use for my organization. It unable to reboot many time. Thank. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1079544 Title: ACPI Error: SMBus or IPMI write requires Buffer of length 66, found length 32 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1079544/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs