[Bug 199812] ACPI: Unable to turn cooling device [ffff81007ffa6810] 'on' is spewed repeatedly on the console

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https://bugzilla.redhat.com/show_bug.cgi?id=199812





--- Comment #26 from John Guthrie <guthrie at counterexample.org>  2009-05-14 04:03:41 EDT ---
(In reply to comment #23)
> boot option "acpi.power_nocheck=1" doesn't work any more?  

It doesn't seem to yet:
leibniz_1005% dmesg | tail
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
ACPI: Unable to turn cooling device [eb815f18] 'on'
leibniz_1006% cat /proc/cmdline
ro root=UUID=bd8c223b-daf4-4636-97bf-8a3ea838b87d rhgb acpi.power_nocheck=1
                                                       ^^^^^^^^^^^^^^^^^^^^
leibniz_1007% uname -a
Linux leibniz 2.6.27.21-170.2.56.fc10.i686 #1 SMP Mon Mar 23 23:37:54 EDT 2009
i686 athlon i386 GNU/Linux

Now looking at the URL in comment #19, it would appear that the patch for the
above kernel command line option was committed to kernel 2.6.28-rc1, whereas
the current kernel version is 2.6.27.21.  So we might have to wait until we
have a 2.6.28 kernel before we see any relief for this bug.

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