@penalvch: I can confirm the problem still exists on 4.9.0-040900rc4-generic
I also can confirm that taking the bottom of the laptop off and blowing cool air in there shuts off the fans. Monitoring CPU temp while doing this, it's around 25c - but it seems to vary, sometimes 26c, sometimes 24c. It's strange. Once I stop blowing cool air into it, the fans eventually start again. However, under Windows using HWInfo, another temp sensor shows up - PCH (platform controller hub). Under Windows this usually seems to run warmer than the CPU. Under Linux, I've never found a way to report the temp for the PCH. I wonder if this could actually be heating up under Linux (due to poor power management) thereby causing the BIOS to run the fans. Just something I noticed so thought i'd throw it out there... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1602888 Title: Dell Inspiron 7559 fans do not shut off once started, even when cool To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1602888/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
