In my previous post about the Precision M3800, I noted that there are still a couple of pieces that do not fully work on Linux. Those were the touchscreen, which requires a "quirk" to fix, and the SD card reader, which did not work. I have some updates on those.
Kent Baxley of Canonical and I are working on getting the quirks for the touchscreen included in the official Ubuntu and the upstream kernels. Until then, you can still use the packages available at <http://linux.dell.com/files/ubuntu/contributions/>.
As far as the SD card reader, there is a fix in the upstream 3.13-rc1 kernel's rts5249 driver. We have worked with Canonical so that this fix is expected to be in an upcoming Stable Release Update (SRU) kernel for Ubuntu 13.10. For users of other Linux distributions, I am working with the patch's author to try to get this patch into older Linux stable kernels.
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