linux-kernel - Re: [linux-pm] linux-next: Tree for Feb 8 [ smp|cpufreq: WARNING: at kernel/smp.c:245 smp_call_function

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Message-ID: <CA+icZUUedcLAo1OkDSD7K_zgZoLvUAPNYOWAJxSPLp9J3hCKNw@mail.gmail.com>
Date:	Fri, 8 Feb 2013 15:48:56 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Stephen Rothwell <sfr@...b.auug.org.au>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Hillf Danton <dhillf@...il.com>, linux-next@...r.kernel.org,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	Chuansheng Liu <chuansheng.liu@...el.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [linux-pm] linux-next: Tree for Feb 8 [ smp|cpufreq: WARNING: at
 kernel/smp.c:245 smp_call_function_single ]

On Fri, Feb 8, 2013 at 3:45 PM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 8 February 2013 18:51, Rafael J. Wysocki <rjw@...k.pl> wrote:
>> On Friday, February 08, 2013 01:47:44 PM Sedat Dilek wrote:
>>> >> [    0.377473]  [<ffffffff8105a5ef>] warn_slowpath_common+0x7f/0xc0
>>> >> [    0.377479]  [<ffffffff81579130>] ? acpi_cpufreq_target+0x2c0/0x2c0
>>> >> [    0.377483]  [<ffffffff8105a64a>] warn_slowpath_null+0x1a/0x20
>>> >> [    0.377487]  [<ffffffff810bb7e6>] smp_call_function_single+0x146/0x190
>>> >> [    0.377492]  [<ffffffff81579130>] ? acpi_cpufreq_target+0x2c0/0x2c0
>>> >> [    0.377496]  [<ffffffff810bb881>] smp_call_function_any+0x51/0x100
>>> >> [    0.377500]  [<ffffffff815788c9>] get_cur_val+0x99/0x130
>>> >> [    0.377504]  [<ffffffff81579444>] ? acpi_cpufreq_cpu_init+0x2b4/0x6a0
>>> >> [    0.377508]  [<ffffffff81578db0>] get_cur_freq_on_cpu+0x60/0x80
>>> >> [    0.377512]  [<ffffffff815795a2>] acpi_cpufreq_cpu_init+0x412/0x6a0
>>> >> [    0.377517]  [<ffffffff81575bb9>] cpufreq_add_dev+0x2d9/0x4f0
>
>> This problem was introduced by some cpufreq changes that have been dropped from
>> linux-next for now (they are still present in the one you're testing, though).
>
> I know why you got this crash and a pull from following would
> certainly fix it :)
>
> http://git.linaro.org/gitweb?p=people/vireshk/linux.git;a=shortlog;h=refs/heads/for-rafael

Nah, I pulled in latest pm-next where this commit is new...

commit 8d5666f3456f2fd4a4e5dced228475b829851e53
"ACPI: Unbind ACPI drv when probe failed"

...building with it.

Same to you, say concretely which commit is fixing what...

Pull-N-B-Happy was never my strategy... I want to understand what went
wrong and have stolen my time.

- Sedat -

[1] http://git.kernel.org/?p=linux/kernel/git/rafael/linux-pm.git;a=commitdiff;h=8d5666f3456f2fd4a4e5dced228475b829851e53
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