Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> writes: [...] >> One more problem, cpu0 doesn't boot after offline and system is halted. >> >> # echo 0 > /sys/devices/system/cpu/cpu0/online >> [ 28.027852] IRQ152 no longer affine to CPU0 >> [ 28.028087] IRQ256 no longer affine to CPU0 >> [ 28.028344] CPU0: shutdown >> # >> # echo 1 > /sys/devices/system/cpu/cpu0/online >> >> So, it's failed script[1] to test MCPM functionalities >> >> Thanks. >> >> [1]: http://www.spinics.net/lists/arm-kernel/msg330946.html FYI... this hotplug problem happens with or without the patch to bring all 8 CPUs online, so it's not related to that fix. Also, it only happens with the bL switcher enabled, and not with the switcher disabled. Since the bL switcher is built on top of hotplug, I'm not sure if the switcher deals well with CPUs being hotplugged without it knowing. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html