Fresh install of UbuntuStudio 18.04, same issue:
# grep -i uread /var/log/syslog | grep -i "May 25 12:43" | wc -l
93742

May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sys: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:class: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sound: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:card0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:..: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:..: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:devices: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:pci0000:00: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:0000:00:1b.0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sound: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:card0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sys: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:class: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sound: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:card0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:..: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:..: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:devices: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:pci0000:00: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:0000:00:1b.0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sound: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:card0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:run: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:1000: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:run: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:1000: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:etc: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:usr: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:lib: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:run: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:1000: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:run: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:1000: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:etc: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:usr: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:lib: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:run: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:1000: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:run: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:1000: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:etc: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:usr: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:lib: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:systemd: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:user: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sys: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:dev: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:block: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:8:2: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:..: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:..: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:devices: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:pci0000:00: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:0000:00:1f.2: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:ata1: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:host0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:target0:0:0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:0:0:0:0: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:block: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sda: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:sda2: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:tracing_on: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:events/fs/open_exec/enable: Ignored relative path
May 25 12:43:54 darkstar ureadahead[411]: ureadahead:events/fs/do_sys_open/enable: Ignored relative path