From: daniel.lezcano@linaro.org (Daniel Lezcano)
To: linux-arm-kernel@lists.infradead.org
Subject: exynos4: cpu hotplug + cpuidle/AFTR broken
Date: Tue, 01 Apr 2014 14:16:52 +0200 [thread overview]
Message-ID: <533AAE34.20601@linaro.org> (raw)
In-Reply-To: <533AA17A.1090405@samsung.com>
On 04/01/2014 01:22 PM, Tomasz Figa wrote:
> Hi Daniel,
>
> On 01.04.2014 12:43, Daniel Lezcano wrote:
>>
>> Hi all,
>>
>> I tried the v3.14 kernel and unplugged the cpu1. That leads to a kernel
>> hang without any trace.
>>
>> If I disable the cpuidle AFTR state through sysfs before unplugging
>> cpu1, it works well.
>>
>> I reproduced the issue on v3.14, v3.13, v3.12, v3.11
>>
>> v3.10 works fine.
>
> Could you try to reproduce the same issue on linux-next? Some of PM
> issues on Exynos should be patches there.
Tested on linux-next. Works fine.
Do you have an idea of the patch which have fixed the issue ? In order
to backport it the kernels mentioned above.
Thanks
-- Daniel
--
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next prev parent reply other threads:[~2014-04-01 12:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-01 10:43 exynos4: cpu hotplug + cpuidle/AFTR broken Daniel Lezcano
2014-04-01 11:04 ` Krzysztof Kozlowski
2014-04-01 11:51 ` Daniel Lezcano
2014-04-01 11:22 ` Tomasz Figa
2014-04-01 12:16 ` Daniel Lezcano [this message]
2014-04-01 12:29 ` Tomasz Figa
2014-04-01 12:49 ` Daniel Lezcano
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