# systemctl start mysqld.service
Job failed. See system logs and 'systemctl status' for details.
# ps aux | grep -i mysql
root 2657 0.0 0.0 19216 668 ? S 17:37 0:00 /lib/systemd/systemd-cgroups-agent /system/mysqld.service
root 2662 0.0 0.0 109256 852 pts/0 S+ 17:38 0:00 grep --color=auto -i mysql
# dmesg | tail -n 25
236.302158] 51 0e 00 0a 20 20 20 20 20 20 00 00 00 fc 00 53
236.302160] 79 6e 63 4d 61 73 74 65 72 0a 20 20 00 00 00 ff
236.302162] 00 48 39 4e 57 38 31 33 37 36 34 0a 20 20 00 a3
236.354255] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 158
236.354257] Raw EDID:
236.354259] 07 fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
236.354260] 20 0d 01 03 6c 22 1b 78 2a 36 a1 a2 59 4c 97 24
236.354262] 17 51 56 bf ef 00 81 8f 61 4f 45 4f 31 40 01 01
236.354264] 01 01 01 01 01 01 30 2a 00 98 51 00 2a 40 30 70
236.354265] 13 00 52 0e 11 00 00 1e 00 00 00 fd 00 38 4b 1e
236.354267] 51 0e 00 0a 20 20 20 20 20 20 00 00 00 fc 00 53
236.354269] 79 6e 63 4d 61 73 74 65 72 0a 20 20 00 00 00 ff
236.354271] 00 48 39 4e 57 38 31 33 37 36 34 0a 20 20 00 a3
236.406371] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 158
236.406373] Raw EDID:
236.406374] 07 fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
236.406376] 20 0d 01 03 6c 22 1b 78 2a 36 a1 a2 59 4c 97 24
236.406378] 17 51 56 bf ef 00 81 8f 61 4f 45 4f 31 40 01 01
236.406380] 01 01 01 01 01 01 30 2a 00 98 51 00 2a 40 30 70
236.406381] 13 00 52 0e 11 00 00 1e 00 00 00 fd 00 38 4b 1e
236.406383] 51 0e 00 0a 20 20 20 20 20 20 00 00 00 fc 00 53
236.406385] 79 6e 63 4d 61 73 74 65 72 0a 20 20 00 00 00 ff
236.406387] 00 48 39 4e 57 38 31 33 37 36 34 0a 20 20 00 a3
236.406390] radeon 0000:01:00.0: VGA-1: EDID block 0 invalid.
535.757213] TCP lp registered