It looks like the problem has to do with entering the powersave routine
with irqs disabled. Here is a patch that will only enter powersave if irqs
are enabled.
Entering powersave on PPC while irqs are disabled causes a hang. Only
enter powersave if irqs are disabled.
Signed-off-by: Brian Waite <[EMAIL PROTECTED]>
Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
diff -Nru a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
--- a/arch/ppc/kernel/idle.c 2005-01-24 15:48:24 -06:00
+++ b/arch/ppc/kernel/idle.c 2005-01-24 15:48:24 -06:00
@@ -39,7 +39,7 @@
powersave = ppc_md.power_save;
if (!need_resched()) {
- if (powersave != NULL)
+ if (powersave != NULL && !irqs_disabled())
powersave();
else {
#ifdef CONFIG_SMP
-
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