+1, Dell 7440 with 14.10, on mainline PPA kernel.
gary@gary-dell:~/$ uname -a Linux gary-dell 3.18.0-031800rc2-generic #201410281737 SMP Tue Oct 28 21:38:57 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
+1, Dell 7440 with 14.10, on mainline PPA kernel.
gary@gary-dell:~/$ uname -a 031800rc2- generic #201410281737 SMP Tue Oct 28 21:38:57 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Linux gary-dell 3.18.0-