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SubjectRe: 2.6.27-rc1: critical thermal shutdown on thinkpad x60 (bisected)
Andi Kleen wrote:

> On Tue, Aug 12, 2008 at 08:30:04PM +0200, Dominik Brodowski wrote:
>
>> Hi,
>>
>> On Tue, Aug 12, 2008 at 05:48:27PM +0200, Milan Broz wrote:
>>
>>> -static unsigned int ignore_ppc = -1;
>>> +static int ignore_ppc = -1;
>>> module_param(ignore_ppc, uint, 0644);
>>>
>> ^^^^
>> follow-up change?
>>
yep, thanks.
I am running my x60s with this patch now:

--

Fix signed parameter in ACPI frequency notifier.

static unsigned int ignore_ppc = -1;
...
if (event == CPUFREQ_START && ignore_ppc <= 0) {
ignore_ppc = 0;
...
Signed-off-by: Milan Broz <mbroz@redhat.com>
---
drivers/acpi/processor_perflib.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6.26.y/drivers/acpi/processor_perflib.c
===================================================================
--- linux-2.6.26.y.orig/drivers/acpi/processor_perflib.c 2008-08-12 17:20:07.000000000 +0200
+++ linux-2.6.26.y/drivers/acpi/processor_perflib.c 2008-08-13 09:32:38.000000000 +0200
@@ -70,8 +70,8 @@ static DEFINE_MUTEX(performance_mutex);
* 0 -> cpufreq low level drivers initialized -> consider _PPC values
* 1 -> ignore _PPC totally -> forced by user through boot param
*/
-static unsigned int ignore_ppc = -1;
-module_param(ignore_ppc, uint, 0644);
+static int ignore_ppc = -1;
+module_param(ignore_ppc, int, 0644);
MODULE_PARM_DESC(ignore_ppc, "If the frequency of your machine gets wrongly" \
"limited by BIOS, this should help");




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