Keyboard and mouse freeze with tracker-miner-fs errors in Red Hat Enterprise Linux 7

Issue

• Keyboard and mouse freeze with tracker-miner-fs errors in Red Hat Enterprise Linux 7

• tracker-miner-fs errors shows in /var/log/messsages.

Mar xx xx:xx:xx XXXX gnome-session: (tracker-miner-fs:4097): Tracker-CRITICAL **:   (Sparql buffer) Error in task 0 of the array-update: cannot commit transaction - SQL statements in progress (strerror of errno (not necessarily related): Resource temporarily unavailable)
Mar xx xx:xx:xx XXXX gnome-session: (tracker-miner-fs:4097): Tracker-CRITICAL **: Could not execute sparql: cannot commit transaction - SQL statements in progress (strerror of errno (not necessarily related): Resource temporarily unavailable)
Mar xx xx:xx:xx XXXX tracker-extract[2735]: unable to create file '/run/user/0/dconf/user': Permission denied.  dconf will not work properly.
Mar xx xx:xx:xx XXXX tracker-miner-f[2739]:   (Sparql buffer) Error in task 0 (file:///root/Desktop/stress.log) of the array-update: column nie:url is not unique (strerror of errno (not necessarily related): No such file or directory)
Mar xx xx:xx:xx XXXX tracker-miner-f[2739]: Could not execute sparql: column nie:url is not unique (strerror of errno (not necessarily related): No such file or directory)
......
Mar xx xx:xx:xx XXXX gnome-session[183589]: (tracker-miner-fs:183966): Tracker-WARNING **: File 'file:///home/xxxxxxxx/xxxxxxx/x/xxxxxxx/xxxxxx' has been reenqueued more than 2 times. It will not be indexed.