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[Bug 1171253] [NEW] exynos5 : cpu_suspend for cpuidle broken

 

Public bug reported:

When the cpu exits the AFTR state after the cpu_suspend. The kernel
hangs.

How to reproduce ?

set cpu1 offline:

echo 0 > /sys/devices/system/cpu/cpu1/online

Wait awhile the cpu0 enters the state1 then => hang !

** Affects: linaro-power-kernel
     Importance: Critical
         Status: New

** Changed in: linaro-power-kernel
   Importance: Undecided => Critical

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Kernel.
https://bugs.launchpad.net/bugs/1171253

Title:
  exynos5 : cpu_suspend for cpuidle broken

Status in Kernel related development for Power Management Working Group:
  New

Bug description:
  When the cpu exits the AFTR state after the cpu_suspend. The kernel
  hangs.

  How to reproduce ?

  set cpu1 offline:

  echo 0 > /sys/devices/system/cpu/cpu1/online

  Wait awhile the cpu0 enters the state1 then => hang !

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