Linaro big.LITTLE

  1. Bug #1097213
  2. Comment #12

Comment 12 for bug 1097213

Revision history for this message
Mathieu Poirier (mathieu.poirier-deactivatedaccount) wrote : Re: switcher_off_hotplug_cpu.sh failed on IKS kernel

More investigation on this problem yields that enabling CONFIG_RCU_FAST_NO_HZ seems to be at the source of the problem. When the config isn't set the problem can't be observed.

Moreover, the problem can be reproduced on snowball using a stock 3.8-rc4 kernel but it takes much, much more time.