See http://bugzilla.kernel.org/show_bug.cgi?id=13002. You can either revert the faulty patch yourself, wait for ubuntu (or someone else) to package a kernel that has the fix, or use "pci=noacpi" in your kernel parameters.
See http:// bugzilla. kernel. org/show_ bug.cgi? id=13002. You can either revert the faulty patch yourself, wait for ubuntu (or someone else) to package a kernel that has the fix, or use "pci=noacpi" in your kernel parameters.