Re: [ANNOUNCE] 3.12.6-rt9
From: Joakim Hernberg <hidden>
Date: 2014-01-22 21:28:01
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On Mon, 20 Jan 2014 21:17:36 -0500 Steven Rostedt [off-list ref] wrote:
I happen to have a i7 box to test on, and sure enough, the latest 3.12-rt locks up on boot and reverting the timers-do-not-raise-softirq-unconditionally.patch, it boots fine.
quoted hunk ↗ jump to hunk
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>diff --git a/kernel/timer.c b/kernel/timer.c index 46467be..8212c10 100644 --- a/kernel/timer.c +++ b/kernel/timer.c@@ -1464,13 +1464,11 @@ void run_local_timers(void) raise_softirq(TIMER_SOFTIRQ); return; } - if (!base->active_timers) - goto out; /* Check whether the next pending timer has expired */ if (time_before_eq(base->next_timer, jiffies)) raise_softirq(TIMER_SOFTIRQ); -out: + rt_spin_unlock_after_trylock_in_irq(&base->lock); }
This fixes the problem on my i7-2600k. -- Joakim