Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757916AbaAJQWQ (ORCPT ); Fri, 10 Jan 2014 11:22:16 -0500 Received: from mail-lb0-f178.google.com ([209.85.217.178]:34652 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757287AbaAJQWN convert rfc822-to-8bit (ORCPT ); Fri, 10 Jan 2014 11:22:13 -0500 MIME-Version: 1.0 In-Reply-To: <52CFB091.5040707@linaro.org> References: <52CFB091.5040707@linaro.org> Date: Fri, 10 Jan 2014 08:22:08 -0800 Message-ID: Subject: Re: BUG: bad unlock balance detected From: John Tobias To: Daniel Lezcano Cc: "" , Shawn Guo , Fabio Estevam , "" , "" , "" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It happened once and I am not sure how to re-produce... On Fri, Jan 10, 2014 at 12:34 AM, Daniel Lezcano wrote: > 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/