Public bug reported: https://bugs.launchpad.net/ubuntu/+source/linux- raspi/+bug/2041741/comments/9
@waveform I'm not sure if that is the final solution. With your build speed control works but the set hysteresis (default: 5°C) seems to be ignored. This results in very frequent changes around trip points. Did you just fix the uninitialized variable or apply the whole commit (https://github.com/raspberrypi/linux/commit/29d2bdf66191b6e50deef2110792c43c10cccfd9)? E.g. lots of changes between states 0 and 1, with the fan sometimes stopping for just a fraction of a second: ** Affects: linux-raspi (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux-raspi (Ubuntu Mantic) Importance: Undecided Status: Confirmed ** Also affects: linux-raspi (Ubuntu Mantic) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi in Ubuntu. https://bugs.launchpad.net/bugs/2044341 Title: Fan toggles on/off repeatedly Status in linux-raspi package in Ubuntu: Invalid Status in linux-raspi source package in Mantic: Confirmed Bug description: https://bugs.launchpad.net/ubuntu/+source/linux- raspi/+bug/2041741/comments/9 @waveform I'm not sure if that is the final solution. With your build speed control works but the set hysteresis (default: 5°C) seems to be ignored. This results in very frequent changes around trip points. Did you just fix the uninitialized variable or apply the whole commit (https://github.com/raspberrypi/linux/commit/29d2bdf66191b6e50deef2110792c43c10cccfd9)? E.g. lots of changes between states 0 and 1, with the fan sometimes stopping for just a fraction of a second: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/2044341/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

