I've been getting a weird error everytime I update Docker container's, Specifically I've noticed it with the Plex container,  Always starts the same with Duplicate device, followed by intelpowerclamp... No Idea how to trouble shoot this one!!

 

Mar 13 10:23:15 Tower kernel: BTRFS warning (device md4): duplicate device fsid:devid for 16d6aaf7-f0d9-419d-ac06-d0351d960bdb:1 old:/dev/md4 new:/dev/sdt1
Mar 13 10:23:16 Tower kernel: BTRFS warning (device md1): duplicate device fsid:devid for 1b8fa8ee-850f-48f2-8614-af47d6577726:1 old:/dev/md1 new:/dev/sdi1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md8): duplicate device fsid:devid for fe834164-5e8e-4dad-8ad1-3186ed9ca15d:1 old:/dev/md8 new:/dev/sdm1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md4): duplicate device fsid:devid for 16d6aaf7-f0d9-419d-ac06-d0351d960bdb:1 old:/dev/md4 new:/dev/sdt1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md6): duplicate device fsid:devid for e5144b2d-b213-4aae-8b7a-07a4556cae15:1 old:/dev/md6 new:/dev/sde1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md2): duplicate device fsid:devid for 0983df5e-c2c3-413d-ab3e-a00d88e8cf0a:1 old:/dev/md2 new:/dev/sdo1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md5): duplicate device fsid:devid for fe9954eb-fe72-400e-9e51-a93a620db2b6:1 old:/dev/md5 new:/dev/sdp1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md1): duplicate device fsid:devid for 1b8fa8ee-850f-48f2-8614-af47d6577726:1 old:/dev/md1 new:/dev/sdi1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md3): duplicate device fsid:devid for ef88f475-319d-426d-b02d-89353e6cc2be:1 old:/dev/md3 new:/dev/sdf1
Mar 13 10:23:35 Tower kernel: BTRFS warning (device md2): duplicate device fsid:devid for 0983df5e-c2c3-413d-ab3e-a00d88e8cf0a:1 old:/dev/md2 new:/dev/sdc1
Mar 13 10:23:35 Tower kernel: intel_powerclamp: No package C-state available

 

 

Diagnostics attached

tower-diagnostics-20190313-1632.zip

The btrfs warnings appear harmless, basically it's telling you that for example md1 and sdi1 have the same UUID, and that's true since they are the same disk, though no idea why you're getting these warnings, never seen them before.