Control: tag -1 moreinfo On Sun, 2016-09-18 at 14:46 +0200, Alessio Gaeta wrote: > Package: src:linux > Version: 4.7.2-1+s1 > Severity: important > > Hello, > > I'm facing a power issue with the Linux 4.7 kernel. > > Every time the system goes idle (the configured delay passes and the display > goes black), the frequency of all cores get maxed, even if all cores are idle. > > Evident symptoms are the fan spinning loudly and the errors logged in journal > stating the thermal threshold being surpassed and the CPU throttled. > > In detail, the frequency of all cores raises from ~800 MHz to 2.6 GHz for all 8 > cores of my i7. I can reproduce the behavior 100% of times, by connecting via > ssh to the affected system and launching powertop. > > The issue does not exists in Linux 4.6 (to wich I will stick for now), so I > guess the problem resides in kernel, not in other packages. > > You have all system information here below (gathered by repotbug). Ask any > further info if needed. Thank you! [...] Please test with bbswitch and acpi_call removed. Ben. -- Ben Hutchings Klipstein's 4th Law of Prototyping and Production: A fail-safe circuit will destroy others.
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