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SubjectRe: [PATCH] x86/mce: Lower throttling MCE messages to warnings
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Hi,

On 09-10-2019 17:54, Benjamin Berg wrote:
> On modern CPUs it is quite normal that the temperature limits are
> reached and the CPU is throttled. In fact, often the thermal design is
> not sufficient to cool the CPU at full load and limits can quickly be
> reached when a burst in load happens. This will even happen with
> technologies like RAPL limitting the long term power consumption of
> the package.
>
> So these messages do not usually indicate a hardware issue (e.g.
> insufficient cooling). Log them as warnings to avoid confusion about
> their severity.
>
> Signed-off-by: Benjamin Berg <bberg@redhat.com>
> Tested-by: Christian Kellner <ckellner@redhat.com>

Ah, yes lets please lower the log-prio of these messages:

Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans



> ---
> arch/x86/kernel/cpu/mce/therm_throt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kernel/cpu/mce/therm_throt.c b/arch/x86/kernel/cpu/mce/therm_throt.c
> index 6e2becf547c5..bc441d68d060 100644
> --- a/arch/x86/kernel/cpu/mce/therm_throt.c
> +++ b/arch/x86/kernel/cpu/mce/therm_throt.c
> @@ -188,7 +188,7 @@ static void therm_throt_process(bool new_event, int event, int level)
> /* if we just entered the thermal event */
> if (new_event) {
> if (event == THERMAL_THROTTLING_EVENT)
> - pr_crit("CPU%d: %s temperature above threshold, cpu clock throttled (total events = %lu)\n",
> + pr_warn("CPU%d: %s temperature above threshold, cpu clock throttled (total events = %lu)\n",
> this_cpu,
> level == CORE_LEVEL ? "Core" : "Package",
> state->count);
>

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