On Wed, 2010-09-22 at 10:57 +0200, Stanislaw Gruszka wrote: > So why we can see this warning? During my testing I saw it also. > There is race regarding SCAN_HW_SCANNING bit, usually we set/clear > this bit under local->mtx, but not in ieee80211_restart_hw() > > cpu0 cpu1 > __ieee80211_start_scan > __set_bit(SCAN_HW_SCANNING, &local->scanning); > > iwl_bg_restart() > ieee80211_restart_hw() > WARN Why can't iwlwifi's bg_restart() force-abort the scan? It'll be aborted anyway... johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html