On Monday 08 May 2017 02:32 AM, Pavel Machek wrote: >> thermal_zone_device_check --> thermal_zone_device_update --> >> handle_thermal_trip --> handle_critical_trips --> orderly_poweroff >> >> The above sequence happens every 250/500 mS based on the configuration. >> The orderly_poweroff function is getting called every 250/500 mS. >> With a full fledged file system it takes at least 5-10 Seconds to >> power off gracefully. >> >> In that period due to the thermal_zone_device_check triggering >> periodically the thermal work queues bombard with >> orderly_poweroff calls multiple times eventually leading to >> failures in gracefully powering off the system. >> >> Make sure that orderly_poweroff is called only once. > > Pretty please, can we do it in the core code, not in thermal/? There > are other reasons kernel may want to shut the system down, like for > example critical battery, and if both thermal _and_ bad battery > happen, we want just one shutdown... Pavel, Thermal fix is still valid. As it is having multiple calls. I can work on fixing the core code as well. BTW the latest of this series is v6: https://patchwork.kernel.org/patch/9684929/ - Keerthy > >> Reported-by: Keerthy <j-keerthy@xxxxxx> >> Signed-off-by: Keerthy <j-keerthy@xxxxxx> > > And here probably we need your full name. > > Thanks, > Pavel > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
