Hi,
while debug some strange termal shutdowns I wrote this patch to get more
information in /var/log/messages about the reason for the shutdown. I
think this would be useful in general.
Danny
From: Danny Kukawka <dkukawka@xxxxxxx>
Subject: ACPI: more verbose thermal zone shutdown message
add more information to acpi thermal zone shutdown message for easier
debugging
Signed-off-by: Danny Kukawka <dkukawka@xxxxxxx>
---
thermal.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
--- linux-2.6.21-rc5/drivers/acpi/thermal.c 2007-04-05 13:37:07.000000000 +0200
+++ linux-2.6.21-rc5/drivers/acpi/thermal.c 2007-04-05 16:02:03.000000000 +0200
@@ -457,14 +457,20 @@
return -EINVAL;
if (tz->temperature >= tz->trips.critical.temperature) {
- printk(KERN_WARNING PREFIX "Critical trip point\n");
+ printk(KERN_WARNING PREFIX
+ "Critical trip point (%ld C) reached on thermal zone [%s]\n",
+ KELVIN_TO_CELSIUS(tz->trips.critical.temperature),
+ acpi_device_bid(tz->device));
tz->trips.critical.flags.enabled = 1;
} else if (tz->trips.critical.flags.enabled)
tz->trips.critical.flags.enabled = 0;
printk(KERN_EMERG
- "Critical temperature reached (%ld C), shutting down.\n",
- KELVIN_TO_CELSIUS(tz->temperature));
+ "Critical temperature reached (%ld C on [%s] with trip point set to: %ld C), shutting down.\n",
+ KELVIN_TO_CELSIUS(tz->temperature),
+ acpi_device_bid(tz->device),
+ KELVIN_TO_CELSIUS(tz->trips.critical.temperature));
+
acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
tz->trips.critical.flags.enabled);
-
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
