I did a clean install of vivid, installed themrald 1.3-9, then upgraded to 1.4.3-5~15.04.1 and I can't reproduce this issue.
sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be upgraded: thermald 1 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade. Need to get 0 B/201 kB of archives. After this operation, 58.4 kB of additional disk space will be used. Do you want to continue? [Y/n] (Reading database ... 205171 files and directories currently installed.) Preparing to unpack .../thermald_1.4.3-5~15.04.1_amd64.deb ... Unpacking thermald (1.4.3-5~15.04.1) over (1.3-9) ... Processing triggers for dbus (1.8.12-1ubuntu5) ... Processing triggers for man-db (2.7.0.2-5) ... Processing triggers for systemd (219-7ubuntu6) ... Processing triggers for ureadahead (0.100.0-19) ... ureadahead will be reprofiled on next reboot Setting up thermald (1.4.3-5~15.04.1) ... Installing new version of config file /etc/init/thermald.conf ... Installing new version of config file /etc/thermald/thermal-conf.xml ... Processing triggers for ureadahead (0.100.0-19) ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1484741 Title: package thermald 1.4.3-3~15.04.1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting a removal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thermald/+bug/1484741/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs