http://bugzilla.kernel.org/show_bug.cgi?id=13573
Len Brown <len.br...@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
CC| |len.br...@intel.com
Component|Power-Thermal |BIOS
Resolution|CODE_FIX |INVALID
AssignedTo|rui.zh...@intel.com |acpi_b...@kernel-bugs.osdl.
| |org
--- Comment #54 from Len Brown <len.br...@intel.com> 2009-08-29 22:21:36 ---
Noooo....
Although cpufreq has problems on this machine,
fixing it will never address the thermal problem seen
when all cores are running at max frequency for a long period.
Although ACPI fan control is broken on this machine,
"fixing it" is probably not the way to go, as approximately
0 desktop machines actually _have_ underlying ACPI fan control.
Although ACPI throttling is broken on this machine,
fixing it with a kernel workaround is _not_ the way to go
because this is a quad-core desktop machine.
It is a class of system that should be able to run
at maximum performance for an indefinite period of
time with _no_ thermal throttling.
My advice is to return this piece of junk and get
a real computer. If that is not possible, then
the workaround mentioned in commnet #12 should be
all you need. Boot with "thermal.nocrt=1"
This is a quad-core desktop.
If the machine overheats, then the supplier did not
install sufficient fans -- get bigger ones, or some
fans that spin at a faster speed at a given voltage.
The only thing here that I think could be a kernel
issue worth fixing is that the temperature reading jumps
around and we shut-down even if it "gets better" after
the initial event. This may be a junk sensor, or it
could be an issue with the Linux EC driver. But we should
probably re-read the critical temperature to be sure
it is still over-temp before shutting down.
closing this as an invalid BIOS issue.
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