Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752683AbaAJIe2 (ORCPT ); Fri, 10 Jan 2014 03:34:28 -0500 Received: from mail-we0-f170.google.com ([74.125.82.170]:60712 "EHLO mail-we0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751338AbaAJIe1 (ORCPT ); Fri, 10 Jan 2014 03:34:27 -0500 Message-ID: <52CFB091.5040707@linaro.org> Date: Fri, 10 Jan 2014 09:34:25 +0100 From: Daniel Lezcano User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: John Tobias , "" , Shawn Guo , Fabio Estevam , "" , "" , "" Subject: Re: BUG: bad unlock balance detected References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/10/2014 03:52 AM, John Tobias wrote: > Hi Shawn, > > Any idea on these bug?. Is this bug happening systematically or randomly ? > [ 559.972748] ===================================== > [ 559.977457] [ BUG: bad unlock balance detected! ] > [ 559.982169] 3.13.0-rc1 #1 Tainted: G O > [ 559.986790] ------------------------------------- > [ 559.991499] swapper/0 is trying to release lock (master_lock) at: > [ 559.997642] <8001d708> imx6q_enter_wait+0x80/0x8c > [ 560.002524] but there are no more locks to release! > [ 560.007404] > [ 560.007404] other info that might help us debug this: > [ 560.013939] no locks held by swapper/0. > [ 560.017779] > [ 560.017779] stack backtrace: > [ 560.022147] CPU: 0 PID: 0 Comm: swapper Tainted: G O 3.13.0-rc1 #1 > [ 560.029200] Backtrace: > [ 560.031685] <80011fb4> (dump_backtrace+0x0/0x10c) from <80012150> > (show_stack+0x18/0x1c) > [ 560.040128] :806c00e8 :8001d708 :806bd1b0 :00000000 > [ 560.045869] <80012138> (show_stack+0x0/0x1c) from <804eeef0> > (dump_stack+0x20/0x28) > [ 560.053889] <804eeed0> (dump_stack+0x0/0x28) from <8004b2a8> > (print_unlock_imbalance_bug+0xb4/0xe4) > [ 560.063296] <8004b1f4> (print_unlock_imbalance_bug+0x0/0xe4) from > <8004e338> (lock_release+0x184/0x1bc) > [ 560.073037] :80be210c :806bd1b0 :806b2000 :00000000 > [ 560.078771] <8004e1b4> (lock_release+0x0/0x1bc) from <804f546c> > (_raw_spin_unlock+0x20/0x2c) > [ 560.087572] <804f544c> (_raw_spin_unlock+0x0/0x2c) from <8001d708> > (imx6q_enter_wait+0x80/0x8c) > [ 560.096620] :806f2f14 :806bd1b0 > [ 560.100246] <8001d688> (imx6q_enter_wait+0x0/0x8c) from <80305d84> > (cpuidle_enter_state+0x44/0xfc) > [ 560.109554] :806dcae0 :00000082 :6128317f :8001d688 > [ 560.115285] <80305d40> (cpuidle_enter_state+0x0/0xfc) from > <80305f28> (cpuidle_idle_call+0xec/0x15c) > [ 560.124767] :806b2000 :806dcae4 :806c00f8 :00000001 :80c37030 > :806dcae0 > [ 560.132701] <80305e3c> (cpuidle_idle_call+0x0/0x15c) from <8000fd08> > (arch_cpu_idle+0x10/0x44) > [ 560.141662] :00000001 :806e8d8a :806b2000 :806ba0dc :806b2000 > :00000000 > [ 560.149595] <8000fcf8> (arch_cpu_idle+0x0/0x44) from <80056be4> > (cpu_startup_entry+0x50/0x114) > [ 560.158568] <80056b94> (cpu_startup_entry+0x0/0x114) from <804ea1e0> > (rest_init+0xb4/0xdc) > [ 560.167181] :8181af00 :00000000 > [ 560.170808] <804ea12c> (rest_init+0x0/0xdc) from <80684a98> > (start_kernel+0x2f0/0x348) > [ 560.179074] :ffffffff :806f2b80 :806ba158 > [ 560.183750] <806847a8> (start_kernel+0x0/0x348) from <80008070> (0x80008070) > -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/