After few times reboot with kernel armdaxp-1607.9, the reboot oops is
random event. Examine the oops text and put some debug message into the
kernel, but the test kernel have no reboot oops.
diff --git a/arch/arm/plat-armada/hotplug.c b/arch/arm/plat-armada/hotplug.c
index db72c99..2cc1c22 100644
--- a/arch/arm/plat-armada/hotplug.c
+++ b/arch/arm/plat-armada/hotplug.c
@@ -83,13 +83,17 @@ void __ref platform_cpu_die(unsigned int cpu)
* we're ready for shutdown now, so do it
*/
+pr_info("ikepanhc: %s:%d\n", __FUNCTION__, __LINE__);
flush_cache_all();
#ifdef CONFIG_SHEEVA_DEEP_IDLE
+pr_info("ikepanhc: %s:%d\n", __FUNCTION__, __LINE__);
armadaxp_fabric_prepare_hotplug();
#endif
/* none zero means deepIdle wasn't entered and regret event happened */
+pr_info("ikepanhc: %s:%d\n", __FUNCTION__, __LINE__);
platform_do_lowpower(cpu);
+pr_info("ikepanhc: %s:%d\n", __FUNCTION__, __LINE__);
/*
* bring this CPU back into the world of cache
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https://bugs.launchpad.net/bugs/1090591
Title:
armadaXP: Unable to handle kernel NULL pointer dereference at virtual
address 00000000 on shutdown
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