Re: Tell user when ACPI is killing machine

[Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>]

Hi!

> On critical overheat (or perceived critical overheat -- acpi bioses on
> some notebooks apparently report bogus values from time to time),
> kernel itself calls /sbin/halt *without telling anything*. User can
> not see anything, his machine just shuts down cleanly. Bad.
> 
> We should at least tell the user what is going on... 

Okay, I had two bugs in single line of code (%ld and
KELVIN_TO_CELSIUS). Sorry about that, here's better version.

								Pavel

--- clean/drivers/acpi/thermal.c	2003-07-27 22:31:09.000000000 +0200
+++ linux/drivers/acpi/thermal.c	2003-11-28 17:42:17.000000000 +0100
@@ -467,6 +474,7 @@
 	if (result)
 		return_VALUE(result);
 
+	printk(KERN_EMERG "Critical temperature reached (%ld C), shutting down.\n", KELVIN_TO_CELSIUS(tz->temperature));
 	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled);
 
 	acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF);


-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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