Commit bc5393a6 authored Feb 19, 2007 by Thomas Gleixner Committed by Linus Torvalds Feb 19, 2007

[PATCH] NOHZ: Produce debug output instead of a BUG()



The BUG_ON() in tick_nohz_stop_sched_tick() triggers on some boxen.
Remove the BUG_ON and print information about the pending softirq
to allow better debugging of the problem.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 6ba9b346

kernel/time/tick-sched.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -165,7 +165,9 @@ void tick_nohz_stop_sched_tick(void)
		goto end;

		cpu = smp_processor_id();
		BUG_ON(local_softirq_pending());
		if (unlikely(local_softirq_pending()))
		printk(KERN_ERR "NOHZ: local_softirq_pending %02x\n",
		local_softirq_pending());

		now = ktime_get();
		/*