[Bug 39083] Re: Laptop Fans are disabled after Flight 6 Upgrade

[Paul Drain]

Could it also be an acpi-support issue? The fans in this particular machine are passively controlled and there's no BIOS functionality to change the temperature based control.

... because i've just had the same lockup appear after 4 hours with GDM sitting on the screen (ie. not being logged in, just powered up)

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Laptop Fans are disabled after Flight 6 Upgrade
https://launchpad.net/bugs/39083