Public bug reported: After upgrading from Ubuntu 16.04 to 18.04, I've noticed that CPU and GPU fans suddenly go full throttle. It doesn't seem to depend on temperature, could happen when 32 °C reported, sometimes the laptop can work for day or two without this issue, but eventually it happens. The only way to stop fans is to power off the laptop, power on (fans go 100% at this point again), power off during BIOS splash screen and power on again. Seems to happen more often after waking up from a sleep.
Things tried: Upgrading BIOS to latest available on ASUS site to the date of writing. No change. asus-fan kernel module (https://github.com/daringer/asus-fan). Detects both fans and shows correct speed in /sys/class/hwmon/*/fan{1,2}*, but does not seem to control it and does not prevent going full throttle. 4.17.0 kernel from Ubuntu mainline builds. Doesn't seem to affect the issue. Userspace fan control software (https://github.com/hirschmann/nbfc). Can control speed of both fans to the point where they go full throttle, after that has no effect on them. System info: $ lsb_release -rd Description: Ubuntu 18.04 LTS Release: 18.04 $ cat /proc/version Linux version 4.17.0-041700-generic (kernel@kathleen) (gcc version 7.3.0 (Ubuntu 7.3.0-20ubuntu1)) #201806041953 SMP Mon Jun 4 19:55:25 UTC 2018 ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: hw-specific ** Attachment added: "lspci-vnvn.log" https://bugs.launchpad.net/bugs/1775717/+attachment/5149995/+files/lspci-vnvn.log ** Summary changed: - COU.Fan suddenly goes 100% RPM on Asus ROG G752VT + CPU/GPU Fans suddenly go 100% RPM on Asus ROG G752VT -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1775717 Title: CPU/GPU Fans suddenly go 100% RPM on Asus ROG G752VT To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1775717/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
