Comment 19 for bug 1788432

Successfully verified on cosmic:

ubuntu@hwe0002:~/stress-ng$ apt-cache policy linux-generic
linux-generic:
  Installed: 4.18.0.18.19
  Candidate: 4.18.0.18.19
  Version table:
 *** 4.18.0.18.19 500
        500 http://us.ports.ubuntu.com/ubuntu-ports cosmic-proposed/main s390x Packages
        100 /var/lib/dpkg/status
     4.18.0.17.18 500
        500 http://us.ports.ubuntu.com/ubuntu-ports cosmic-updates/main s390x Packages
        500 http://ports.ubuntu.com/ubuntu-ports cosmic-security/main s390x Packages
     4.18.0.10.11 500
        500 http://us.ports.ubuntu.com/ubuntu-ports cosmic/main s390x Packages
ubuntu@hwe0002:~/stress-ng$ uname -r
4.18.0-18-generic
ubuntu@hwe0002:~/stress-ng$ ./stress-ng --sysfs 0 -t 60
stress-ng: info: [11889] dispatching hogs: 4 sysfs
stress-ng: info: [11889] successful run completed in 60.00s (1 min, 0.00 secs)
ubuntu@hwe0002:~/stress-ng$

and on bionic:
ubuntu@hwe0007:~/stress-ng$ apt-cache policy linux-generic
linux-generic:
  Installed: 4.15.0.48.50
  Candidate: 4.15.0.48.50
  Version table:
 *** 4.15.0.48.50 500
        500 http://us.ports.ubuntu.com/ubuntu-ports bionic-proposed/main s390x Packages
        100 /var/lib/dpkg/status
     4.15.0.47.49 500
        500 http://us.ports.ubuntu.com/ubuntu-ports bionic-updates/main s390x Packages
        500 http://ports.ubuntu.com/ubuntu-ports bionic-security/main s390x Packages
     4.15.0.20.23 500
        500 http://us.ports.ubuntu.com/ubuntu-ports bionic/main s390x Packages
ubuntu@hwe0007:~/stress-ng$ uname -r
4.15.0-48-generic
ubuntu@hwe0007:~/stress-ng$ ./stress-ng --sysfs 0 -t 60
stress-ng: info: [9386] dispatching hogs: 4 sysfs
stress-ng: info: [9386] successful run completed in 60.00s (1 min, 0.00 secs)
ubuntu@hwe0007:~/stress-ng$

Adjusting tags accordingly...