Re: Re: PROBLEM: ACPI freezes 2.6.1 on boot

[Karol Kozimor <sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org>]

Thus wrote Georg C. F. Greve:
> So the problem we've been seeing seems to be related to the
> interaction between local APIC support and ACPI.

We've definitely had those problems before (with ASUS L3800C), there's 
even a patch fixing this issue (attached below) you might try.
I guess that's another of those lost and forgotten bugzilla bugs :)

-- 
Karol 'sziwan' Kozimor
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org


diff -Bru linux-2.6.0-test8/arch/i386/kernel/apic.c patched/arch/i386/kernel/apic.c
--- linux-2.6.0-test8/arch/i386/kernel/apic.c	2003-10-18 05:43:36.000000000 +0800
+++ patched/arch/i386/kernel/apic.c	2003-10-30 23:17:50.000000000 +0800
@@ -836,8 +836,8 @@
 {
 	unsigned int lvtt1_value, tmp_value;
 
-	lvtt1_value = SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV) |
-			APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR;
+	lvtt1_value = APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR;
+
 	apic_write_around(APIC_LVTT, lvtt1_value);
 
 	/*
diff -Bru linux-2.6.0-test8/drivers/acpi/bus.c patched/drivers/acpi/bus.c
--- linux-2.6.0-test8/drivers/acpi/bus.c	2003-10-18 05:43:19.000000000 +0800
+++ patched/drivers/acpi/bus.c	2003-10-30 23:20:32.000000000 +0800
@@ -589,6 +589,7 @@
 
 	ACPI_FUNCTION_TRACE("acpi_bus_init");
 
+	disable_APIC_timer();
 	status = acpi_initialize_subsystem();
 	if (ACPI_FAILURE(status)) {
 		printk(KERN_ERR PREFIX "Unable to initialize the ACPI Interpreter\n");
@@ -643,6 +644,7 @@
 		goto error1;
 	}
 
+	enable_APIC_timer();
 	printk(KERN_INFO PREFIX "Interpreter enabled\n");
 
 	/*
@@ -672,6 +674,7 @@
 error1:
 	acpi_terminate();
 error0:
+	enable_APIC_timer();
 	return_VALUE(-ENODEV);
 }
 


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