On 03/11/2015 07:01 PM, Paul E. McKenney wrote: >> With the commit I didn't hit it yet, but I do see 4 different WARNings: > I wish that I could say that I am surprised, but the sad fact is that > I am still shaking the bugs out.
I have one more to add: [ 93.330539] WARNING: CPU: 1 PID: 8 at kernel/rcu/tree_plugin.h:476 rcu_gp_kthread+0x1eaa/0x4dd0() [ 93.333515] Modules linked in: [ 93.334678] CPU: 1 PID: 8 Comm: rcu_preempt Tainted: G W 4.0.0-rc3-next-20150311-sasha-00035-g0a45b48-dirty #2052 [ 93.338402] ffff8800496f8000 00000000f3e72ee7 ffff880049ac7b28 ffffffff9ea97e89 [ 93.339495] 0000000000000000 0000000000000000 ffff880049ac7b78 ffffffff941e242a [ 93.339495] ffffffffa1721038 ffffffff9433bf2a ffffffffa1721040 ffff8800a2822000 [ 93.339495] Call Trace: [ 93.339495] [<ffffffff9ea97e89>] dump_stack+0x4f/0x7b [ 93.339495] [<ffffffff941e242a>] warn_slowpath_common+0xca/0x130 [ 93.339495] [<ffffffff9433bf2a>] ? rcu_gp_kthread+0x1eaa/0x4dd0 [ 93.339495] [<ffffffff941e266a>] warn_slowpath_null+0x1a/0x20 [ 93.339495] [<ffffffff9433bf2a>] rcu_gp_kthread+0x1eaa/0x4dd0 [ 93.339495] [<ffffffff95f2346c>] ? plist_check_head+0x3c/0x50 [ 93.339495] [<ffffffff9433a080>] ? cond_synchronize_rcu+0x20/0x20 [ 93.339495] [<ffffffff942dffb5>] ? trace_hardirqs_on_caller+0x475/0x610 [ 93.339495] [<ffffffff9eb0bdf9>] ? _raw_spin_unlock_irq+0x69/0xa0 [ 93.339495] [<ffffffff9eaf95e3>] ? __schedule+0x993/0x1b90 [ 93.339495] [<ffffffff95f49e39>] ? ___preempt_schedule+0x12/0x14 [ 93.339495] [<ffffffff942c4530>] ? abort_exclusive_wait+0x1d0/0x1d0 [ 93.339495] [<ffffffff9433a080>] ? cond_synchronize_rcu+0x20/0x20 [ 93.339495] [<ffffffff94248b56>] kthread+0x216/0x2e0 [ 93.339495] [<ffffffff94248940>] ? flush_kthread_work+0x300/0x300 [ 93.339495] [<ffffffff9eb0bdc0>] ? _raw_spin_unlock_irq+0x30/0xa0 [ 93.339495] [<ffffffff94248940>] ? flush_kthread_work+0x300/0x300 [ 93.339495] [<ffffffff9eb0d293>] ret_from_fork+0x53/0x80 [ 93.339495] [<ffffffff94248940>] ? flush_kthread_work+0x300/0x300 Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
