From: Borislav Petkov <bp@alien8.de>
To: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
David Rientjes <rientjes@google.com>, Tejun Heo <tj@kernel.org>,
Ingo Molnar <mingo@elte.hu>, Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: WARNING: at kernel/lockdep.c:690 __lock_acquire+0x168/0x164b()
Date: Fri, 4 Nov 2011 10:25:20 +0100 [thread overview]
Message-ID: <20111104092520.GA16897@gere.osrc.amd.com> (raw)
In-Reply-To: <20111103075354.GA16666@zhy>
On Thu, Nov 03, 2011 at 03:53:54PM +0800, Yong Zhang wrote:
> On Thu, Nov 03, 2011 at 10:45:06AM +0300, Sergey Senozhatsky wrote:
> > On (11/03/11 15:27), Yong Zhang wrote:
> > > Did you have tried it? Though I don't find time to polish it yet but
> > > I think will smooth your concern.
> > >
> >
> > I'm compiling the kernel with you patch right now.
> > The whole point was just for
> > case if someone has different approach or whatsoever.
>
> Understood. If someone can come up with a simple patch which could
> cover the case I mentioned before, that would be great.
> /me goes to poke at it.
I dunno whether this is related but I get the following on 3.1:
[ 5499.537074] INFO: trying to register non-static key.
[ 5499.537080] the code is fine but needs lockdep annotation.
[ 5499.537083] turning off the locking correctness validator.
[ 5499.537088] Pid: 0, comm: kworker/0:1 Not tainted 3.1.0 #1
[ 5499.537091] Call Trace:
[ 5499.537094] <IRQ> [<ffffffff8107beed>] __lock_acquire+0x165d/0x1e30
[ 5499.537109] [<ffffffff810321fc>] ? double_rq_lock+0x2c/0x80
[ 5499.537115] [<ffffffff8107ccd3>] lock_acquire+0x93/0x160
[ 5499.537120] [<ffffffff810321fc>] ? double_rq_lock+0x2c/0x80
[ 5499.537126] [<ffffffff814d9866>] _raw_spin_lock+0x36/0x50
[ 5499.537130] [<ffffffff810321fc>] ? double_rq_lock+0x2c/0x80
[ 5499.537135] [<ffffffff810321fc>] double_rq_lock+0x2c/0x80
[ 5499.537140] [<ffffffff81039195>] load_balance+0x215/0x6c0
[ 5499.537146] [<ffffffff81039640>] ? load_balance+0x6c0/0x6c0
[ 5499.537151] [<ffffffff810396fd>] rebalance_domains+0xbd/0x1d0
[ 5499.537155] [<ffffffff81039640>] ? load_balance+0x6c0/0x6c0
[ 5499.537161] [<ffffffff810398ec>] run_rebalance_domains+0xdc/0x130
[ 5499.537166] [<ffffffff81048dcd>] __do_softirq+0xbd/0x290
[ 5499.537173] [<ffffffff814dc42c>] call_softirq+0x1c/0x30
[ 5499.537178] [<ffffffff81003eb5>] do_softirq+0x85/0xc0
[ 5499.537183] [<ffffffff810492ce>] irq_exit+0x9e/0xc0
[ 5499.537189] [<ffffffff8101ca9f>] smp_call_function_single_interrupt+0x2f/0x40
[ 5499.537195] [<ffffffff814dbeb0>] call_function_single_interrupt+0x70/0x80
[ 5499.537199] <EOI> [<ffffffff810096e6>] ? native_sched_clock+0x26/0x70
[ 5499.537212] [<ffffffffa0038e1a>] ? acpi_idle_enter_simple+0xee/0x11f [processor]
[ 5499.537221] [<ffffffffa0038e15>] ? acpi_idle_enter_simple+0xe9/0x11f [processor]
[ 5499.537227] [<ffffffff813f8b1d>] cpuidle_idle_call+0xdd/0x350
[ 5499.537233] [<ffffffff8100081f>] cpu_idle+0x6f/0xd0
[ 5499.537238] [<ffffffff814cc665>] start_secondary+0x1ae/0x1b3
--
Regards/Gruss,
Boris.
next prev parent reply other threads:[~2011-11-04 9:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-15 20:12 Sergey Senozhatsky
2011-10-15 21:42 ` David Rientjes
2011-10-15 22:23 ` Borislav Petkov
2011-10-15 22:32 ` David Rientjes
2011-10-16 5:09 ` Sergey Senozhatsky
2011-10-20 18:39 ` Borislav Petkov
2011-10-20 18:53 ` Sergey Senozhatsky
2011-10-20 19:07 ` Sergey Senozhatsky
2011-10-20 21:17 ` David Rientjes
2011-10-20 21:23 ` Tejun Heo
2011-10-20 21:31 ` David Rientjes
2011-10-20 21:36 ` Tejun Heo
2011-10-20 23:00 ` Sergey Senozhatsky
2011-10-21 9:14 ` David Rientjes
2011-10-21 9:26 ` Sergey Senozhatsky
2011-10-21 9:45 ` Yong Zhang
2011-11-03 7:17 ` Sergey Senozhatsky
2011-11-03 7:27 ` Yong Zhang
2011-11-03 7:45 ` Sergey Senozhatsky
2011-11-03 7:53 ` Yong Zhang
2011-11-04 9:25 ` Borislav Petkov [this message]
2011-11-04 9:31 ` Sergey Senozhatsky
2011-11-07 4:54 ` Yong Zhang
2011-11-07 8:43 ` Sergey Senozhatsky
2011-11-04 9:34 ` Yong Zhang
2011-11-04 9:51 ` Sergey Senozhatsky
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