sudo umount /dev/zram0 umount: /home/ubuntu/autotest/client/results/default/ubuntu_zram_smoke_test.zram-smoke-test/mnt: target is busy.
..so the umount is failing, hence leaving the file system populated with a large file that consumes memory. Sigh.
sudo umount /dev/zram0 autotest/ client/ results/ default/ ubuntu_ zram_smoke_ test.zram- smoke-test/ mnt: target is busy.
umount: /home/ubuntu/
..so the umount is failing, hence leaving the file system populated with a large file that consumes memory. Sigh.