This is still a problem in 10.04 on my Toshiba L305D-S5959. Setting various boot parameters as mentioned in previous posts (and even some not mentioned) so far have had no effect. The fan is either off and stays off until the critical point is reached and the system shut itself off, or, if the laptop already toasty (70°C or higher), the fan runs full speed even if it cools down to around 45°C or so. No trip points are set except for the critical of 105°C, which is way too hot IMO.
Both 9.04 and 9.10 ran just fine in this regard. This is a dual boot laptop, and the only thing that happened between the upgrade to 9.10 and the beginning of Beta testing for 10.04 was Windows 7 was installed on another partition. Vista and Windows 7 had/has no heat issues either. This laptop was purchased in August 2009 when a promotion was being run for the free Windows 7 upgrade. I'm beginning to suspect something was left out of the kernel or was replaced that was in the previous versions' kernels. Running a 32-bit or 64-bit ubuntu build makes no difference either. Because other issues kept nagging for attention during beta testing, I never quite go around to reporting this previously. One thing I have noticed that I thought was odd is the the file /etc/default/acpid is entirely commented, so no acpi modules are being loaded. Enabling loading of ACPI modules makes no difference though either. My next experiment is to see if I can re-load 9.10 or Debian Lenny to see if the heat issue continues or not. -- 10.04 beta1 fan is not working and increase the temperature - Toshiba U505 S2930 https://bugs.launchpad.net/bugs/475066 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs