Comment 0 for bug 1743856

The sb_edac needs additional patch to enable EDAC to know of the existence of some DIMMs attached to channels while figuring out the size of the DIMMs and the cluster mode is SNC2 or SNC4.
All the thread connected with this issue is described here https://www.spinics.net/lists/linux-edac/msg08170.html.

Please backport the following patch:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=24281a2f4ca569d44e44e4cbc500cf08e7bb4c36 to solve the sb_edac driver issue on Ubuntu 17.10.

Thank you!