64 bit kernel from http://kernel.ubuntu.com/~bradf/lp1169380/upstream-01/ works OK for me (Dell Precision M4600)
3.2.0-41-generic #65~bjf+lp1169380+upstream+01 SMP Tue Apr 23 18:50:23 UTC 2013
64 bit kernel from http:// kernel. ubuntu. com/~bradf/ lp1169380/ upstream- 01/ works OK for me (Dell Precision M4600)
3.2.0-41-generic #65~bjf+ lp1169380+ upstream+ 01 SMP Tue Apr 23 18:50:23 UTC 2013