[Bug 201457] Current temperature error (=?UTF-8?Q?255=C2=B0=20C?=)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Jul 10 13:23:16 UTC 2015


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201457

            Bug ID: 201457
           Summary: Current temperature error (255° C)
           Product: Base System
           Version: 10.1-RELEASE
          Hardware: ppc
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: matthias.schojohann at gmail.com

iBook G4 1,41GHz and every once in a while i get an error on the terminal that
says:
WARNING: Current temperature (CPU BOTTOMSIDE: 255.0 C) exceeds critical
temperature (80.0 C); count = 1

sysctl dev.adt746x.0.sensors.cpu_bottomside.temp however gives me temps like
50.0 C

Justin Hibbits via the ppc ML:
"255 is (char)-1 on PowerPC, so it indicates an error reading from the
device.  I'll take a look at it, and try to silence the error"

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