From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Tue, 01 Apr 2014 14:16:52 +0200 Subject: exynos4: cpu hotplug + cpuidle/AFTR broken In-Reply-To: <533AA17A.1090405@samsung.com> References: <533A9849.1080402@linaro.org> <533AA17A.1090405@samsung.com> Message-ID: <533AAE34.20601@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 -- Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog