Hi team,
I've been puzzled by a strange problem for a long time, when i use tickless OS mode on stm32f405, usleep can't wake up incidentally. My config about tickless OS mode as shown below: CONFIG_ARCH_HAVE_TICKLESS=y CONFIG_SCHED_TICKLESS=y # CONFIG_SCHED_TICKLESS_ALARM is not set # CONFIG_SCHED_TICKLESS_LIMIT_MAX_SLEEP is not set CONFIG_USEC_PER_TICK=10 # CONFIG_STM32_TICKLESS_SYSTICK is not set CONFIG_STM32_TICKLESS_TIMER=2 CONFIG_STM32_TICKLESS_CHANNEL=1 When use usleep(1000) in a pthread A, then thread A maybe sporadic sleep dead and can't be wake up, the probability is about 1/100000. Moreover, when the problem happened, if i execute usleep 10000 in NSH terminus, then thread A will wakeup. Is my configuration incorrect? Does anyone else have the same problem? Best regard Zou
