Good Morning Juri, On 10/09/2014 03:51 PM, Juri Lelli wrote: > Hi Daniel, > > On 09/10/14 10:47, Daniel Wagner wrote: >> Hi Juri, >> >> On 10/07/2014 03:20 PM, Daniel Wagner wrote: >>> On 10/07/2014 02:10 PM, Daniel Wagner wrote: >>>> [ 36.689416] pthread_-1555 0d..5 18486408us : sched_stat_sleep: comm=pthread_test pid=1554 delay=143975 [ns] >>>> [ 36.689416] pthread_-1555 0d..5 18486408us : sched_wakeup: comm=pthread_test pid=1554 prio=120 success=1 target_cpu=000 >>>> [ 36.689416] pthread_-1555 0d..4 18486420us : sched_pi_setprio: comm=pthread_test pid=1555 oldprio=-1 newprio=-1 >>>> [ 36.689416] pthread_-1555 0d..4 18486421us : sched_dequeue_dl_entity: comm=pthread_test pid=1555 flags=0 >>>> [ 36.689416] pthread_-1555 0d..4 18486421us : sched_enqueue_dl_entity: comm=pthread_test pid=1555 pi_comm=pthread_test pi_pid=1555 flags=8 >>>> [ 36.689416] pthread_-1555 0d..4 18486421us : sched_dequeue_dl_entity: comm=pthread_test pid=1555 flags=0 >>>> [ 36.689416] pthread_-1555 0d..4 18486422us : sched_enqueue_dl_entity: comm=pthread_test pid=1555 pi_comm=pthread_test pi_pid=1555 flags=0 >>>> [ 36.689416] pthread_-1555 0d.H4 18486539us : sched_enqueue_dl_entity: comm=pthread_test pid=1555 pi_comm=pthread_test pi_pid=1555 flags=8 >>> >>> I noticed that the last two lines are different. Maybe that is yet >>> another path into enqueue_task_dl(). >> >> So more testing revealed that the patch also starve both task >> eventually. Both process make no progress at all. >> > > Mmm, that's bad. > > Can you give a try to this different patch (after applying > the other one I sent out)? > > This thing is looking good on my box. I'd like to do more > testing, but I have to context switch for a bit now :/. I'll applied both patches and my test program runs fine since a couple hours. Before that a panic triggered within minutes. cheers, daniel -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
