RE: [Xen-devel] cpuidle causing Dom0 soft lockups

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> "Yu, Ke" <ke.yu@xxxxxxxxx> 21.01.10 13:07 >>>
>Could you try the following debugging patch. it can help to narrow down the 
>root cause:

According to our testing this did not have any effect. I added you to
the Cc list of the respective bug, so you have access to the relevant
logs.

>diff -r ea02c95af387 xen/arch/x86/acpi/cpu_idle.c
>--- a/xen/arch/x86/acpi/cpu_idle.c
>+++ b/xen/arch/x86/acpi/cpu_idle.c
>@@ -228,7 +228,6 @@ static void acpi_processor_idle(void)
>
>     cpufreq_dbs_timer_suspend();
>
>-    sched_tick_suspend();
>     /* sched_tick_suspend() can raise TIMER_SOFTIRQ. Process it now. */
>     process_pending_softirqs();

Jan


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