I'm also seeing this under kernel version 4.13.0-16-generic on artful (17.10).

I'm not too sure on what info you're after, but I've tried to follow what's been submitted above.

$ dmesg
[  106.176439] EDAC sbridge: Seeking for: PCI ID 8086:6fa0
[  106.176442] EDAC sbridge: Seeking for: PCI ID 8086:6fa0
[  106.176446] EDAC sbridge: Seeking for: PCI ID 8086:6fa0
[  106.176450] EDAC sbridge: Seeking for: PCI ID 8086:6f60
[  106.176457] EDAC sbridge: Seeking for: PCI ID 8086:6fa8
[  106.176459] EDAC sbridge: Seeking for: PCI ID 8086:6fa8
[  106.176462] EDAC sbridge: Seeking for: PCI ID 8086:6fa8
[  106.176466] EDAC sbridge: Seeking for: PCI ID 8086:6f71
[  106.176468] EDAC sbridge: Seeking for: PCI ID 8086:6f71
[  106.176471] EDAC sbridge: Seeking for: PCI ID 8086:6f71
[  106.176474] EDAC sbridge: Seeking for: PCI ID 8086:6faa
[  106.176476] EDAC sbridge: Seeking for: PCI ID 8086:6faa
[  106.176479] EDAC sbridge: Seeking for: PCI ID 8086:6faa
[  106.176483] EDAC sbridge: Seeking for: PCI ID 8086:6fab
[  106.176485] EDAC sbridge: Seeking for: PCI ID 8086:6fab
[  106.176487] EDAC sbridge: Seeking for: PCI ID 8086:6fab
[  106.176491] EDAC sbridge: Seeking for: PCI ID 8086:6fac
[  106.176493] EDAC sbridge: Seeking for: PCI ID 8086:6fac
[  106.176496] EDAC sbridge: Seeking for: PCI ID 8086:6fac
[  106.176499] EDAC sbridge: Seeking for: PCI ID 8086:6fad
[  106.176501] EDAC sbridge: Seeking for: PCI ID 8086:6fad
[  106.176504] EDAC sbridge: Seeking for: PCI ID 8086:6fad
[  106.176507] EDAC sbridge: Seeking for: PCI ID 8086:6f68
[  106.176510] EDAC sbridge: Seeking for: PCI ID 8086:6f68
[  106.176513] EDAC sbridge: Seeking for: PCI ID 8086:6f68
[  106.176516] EDAC sbridge: Seeking for: PCI ID 8086:6f79
[  106.176523] EDAC sbridge: Seeking for: PCI ID 8086:6f6a
[  106.176530] EDAC sbridge: Seeking for: PCI ID 8086:6f6b
[  106.176537] EDAC sbridge: Seeking for: PCI ID 8086:6f6c
[  106.176544] EDAC sbridge: Seeking for: PCI ID 8086:6f6d
[  106.176551] EDAC sbridge: Seeking for: PCI ID 8086:6ffc
[  106.176552] EDAC sbridge: Seeking for: PCI ID 8086:6ffc
[  106.176555] EDAC sbridge: Seeking for: PCI ID 8086:6ffc
[  106.176559] EDAC sbridge: Seeking for: PCI ID 8086:6ffd
[  106.176561] EDAC sbridge: Seeking for: PCI ID 8086:6ffd
[  106.176564] EDAC sbridge: Seeking for: PCI ID 8086:6ffd
[  106.176568] EDAC sbridge: Seeking for: PCI ID 8086:6faf
[  106.176570] EDAC sbridge: Seeking for: PCI ID 8086:6faf
[  106.176573] EDAC sbridge: Seeking for: PCI ID 8086:6faf
[  106.176752] EDAC MC0: Giving out device to module sb_edac.c controller Broadwell SrcID#1_Ha#0: DEV 0000:ff:12.0 (INTERRUPT)
[  106.176947] EDAC MC1: Giving out device to module sb_edac.c controller Broadwell SrcID#0_Ha#0: DEV 0000:7f:12.0 (INTERRUPT)
[  106.176966] EDAC sbridge: Some needed devices are missing
[  106.192161] EDAC MC: Removed device 0 for sb_edac.c Broadwell SrcID#1_Ha#0: DEV 0000:ff:12.0
[  106.212157] EDAC MC: Removed device 1 for sb_edac.c Broadwell SrcID#0_Ha#0: DEV 0000:7f:12.0
[  106.212184] EDAC sbridge: Couldn't find mci handler
[  106.212850] EDAC sbridge: Couldn't find mci handler
[  106.213534] EDAC sbridge: Failed to register device with error -19.


$ grep CONFIG_EDAC /boot/config-4.13.0-16-generic
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
CONFIG_EDAC=y
# CONFIG_EDAC_LEGACY_SYSFS is not set
# CONFIG_EDAC_DEBUG is not set
CONFIG_EDAC_DECODE_MCE=m
# CONFIG_EDAC_GHES is not set
CONFIG_EDAC_AMD64=m
# CONFIG_EDAC_AMD64_ERROR_INJECTION is not set
CONFIG_EDAC_E752X=m
CONFIG_EDAC_I82975X=m
CONFIG_EDAC_I3000=m
CONFIG_EDAC_I3200=m
CONFIG_EDAC_IE31200=m
CONFIG_EDAC_X38=m
CONFIG_EDAC_I5400=m
CONFIG_EDAC_I7CORE=m
CONFIG_EDAC_I5000=m
CONFIG_EDAC_I5100=m
CONFIG_EDAC_I7300=m
CONFIG_EDAC_SBRIDGE=m
CONFIG_EDAC_SKX=m
CONFIG_EDAC_PND2=m

Not too sure if the following is relevant, but I'll include it anyway.

System is running the following additional packages:
ZFS
Glusterfs v3.12.2

$ modinfo zfs
filename:       /lib/modules/4.13.0-16-generic/kernel/zfs/zfs/zfs.ko
version:        0.6.5.11-1ubuntu3
license:        CDDL
author:         OpenZFS on Linux
description:    ZFS
srcversion:     2F9D27546C1D6992FF66D5C
depends:        spl,znvpair,zcommon,zunicode,zavl
name:           zfs
vermagic:       4.13.0-16-generic SMP mod_unload
signat:         PKCS#7


If you need anything else, let me know.