lkml.org 
[lkml]   [2019]   [Oct]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] x86/mce: Lower throttling MCE messages to warnings
Date
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>
---
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);
--
2.23.0
\
 
 \ /
  Last update: 2019-10-09 17:56    [W:0.041 / U:26.052 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site