Michal,
On Wed, 2007-02-21 at 16:38 +0100, Michal Piotrowski wrote:
> > But you still have those softirq pending messages, right ?
>
> Yes
>
> (+ new NOHZ: local_softirq_pending 02)
Yike, that's the timer softirq.
Can you add the patch below, maybe it gives us some useful info. Please
enable lockdep (your last config had it already)
Thanks,
tglx
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 512a4a9..cc705c7 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -165,9 +165,11 @@ void tick_nohz_stop_sched_tick(void)
goto end;
cpu = smp_processor_id();
- if (unlikely(local_softirq_pending()))
- printk(KERN_ERR "NOHZ: local_softirq_pending %02x\n",
- local_softirq_pending());
+ if (unlikely(local_softirq_pending())) {
+ print_irqtrace_events(current);
+ printk(KERN_ERR "NOHZ: local_softirq_pending %02x, %08x\n",
+ local_softirq_pending(), preempt_count());
+ }
now = ktime_get();
/*
-
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