http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58642
--- Comment #30 from vincenzo Innocente <vincenzo.innocente at cern dot ch> --- better: as usual nastier bugs are in the tests! [innocent@olsnba04 parallel]$ strace ./affinity-1.exe | & grep affin execve("./affinity-1.exe", ["./affinity-1.exe"], [/* 61 vars */]) = 0 sched_getaffinity(110481, 8, 0x7b8010) = -1 EINVAL (Invalid argument) sched_getaffinity(110481, 128, { ffffffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 sched_getaffinity(110481, 128, { ffffffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 sched_setaffinity(110481, 8, { 1 }) = 0 sched_getaffinity(110481, 128, { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 sched_setaffinity(110482, 8, { 4 }) = 0 sched_setaffinity(110483, 8, { 10 }) = 0 sched_setaffinity(110484, 8, { 40 }) = 0 sched_getaffinity(110481, 128, { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 sched_setaffinity(110503, 8, { 80 }) = 0 sched_getaffinity(110481, 128, { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 sched_setaffinity(110518, 8, { 1 }) = 0 sched_setaffinity(110519, 8, { 1 }) = 0 sched_getaffinity(110481, 128, { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 sched_setaffinity(110542, 8, { 2 }) = 0 sched_setaffinity(110543, 8, { 4 }) = 0 sched_setaffinity(110544, 8, { 8 }) = 0 sched_setaffinity(110545, 8, { 10 }) = 0 sched_getaffinity(110481, 128, { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }) = 128 [innocent@olsnba04 parallel]$ ./affinity-1.exe OMP_PROC_BIND='spread,master,close' OMP_PLACES='{0}:8' Initial thread bound to {0}, verified #1 thread 0 bound to {0}, verified #1 thread 1 bound to {2}, verified #1 thread 2 bound to {4}, verified #1 thread 3 bound to {6}, verified #1,#1 thread 3,0 bound to {6}, verified #1,#1 thread 3,2 bound to {6}, verified #1,#1 thread 3,1 bound to {6}, verified #1,#2 thread 3,0 bound to {6}, verified #1,#2 thread 3,3 bound to {7}, verified #1,#2 thread 3,4 bound to {6}, verified #1,#2 thread 3,2 bound to {7}, verified #1,#2 thread 3,1 bound to {6}, verified #1,#2,#1 thread 3,3,0 bound to {7}, verified #1,#2,#1 thread 3,3,4 bound to {7}, verified #1,#2,#1 thread 3,3,3 bound to {7}, verified #1,#2,#1 thread 3,3,2 bound to {7}, verified #1,#2,#1 thread 3,3,1 bound to {7}, verified #1,#3 thread 3,0 bound to {6}, verified #1,#3 thread 3,3 bound to {6}, verified #1,#3 thread 3,2 bound to {6}, verified #1,#3 thread 3,1 bound to {6}, verified #1,#4 thread 3,4 bound to {7}, verified #1,#4 thread 3,0 bound to {6}, verified #1,#4 thread 3,3 bound to {7}, verified #1,#4 thread 3,2 bound to {6}, verified #1,#4 thread 3,5 bound to {7}, verified #1,#4 thread 3,1 bound to {6}, verified #2 thread 0 bound to {0}, verified #2 thread 1 bound to {2}, verified #2 thread 3 bound to {6}, verified #2 thread 4 bound to {7}, verified #2 thread 2 bound to {4}, verified #2,#1 thread 3,0 bound to {6}, verified #2,#1 thread 3,2 bound to {6}, verified #2,#1 thread 3,1 bound to {6}, verified #2,#2 thread 3,0 bound to {6}, verified #2,#2 thread 3,4 bound to {6}, verified #2,#2 thread 3,3 bound to {6}, verified #2,#2 thread 3,2 bound to {6}, verified #2,#2 thread 3,1 bound to {6}, verified #2,#3 thread 3,0 bound to {6}, verified #2,#3 thread 3,3 bound to {6}, verified #2,#3 thread 3,2 bound to {6}, verified #2,#3 thread 3,1 bound to {6}, verified #2,#4 thread 3,0 bound to {6}, verified #2,#4 thread 3,5 bound to {6}, verified #2,#4 thread 3,4 bound to {6}, verified #2,#4 thread 3,3 bound to {6}, verified #2,#4 thread 3,2 bound to {6}, verified #2,#4 thread 3,1 bound to {6}, verified #3 thread 0 bound to {0}, verified #3 thread 2 bound to {0}, verified #3 thread 1 bound to {0}, verified #3,#1 thread 2,0 bound to {0}, verified #3,#1 thread 2,3 bound to {0}, verified #3,#1 thread 2,2 bound to {0}, verified #3,#1 thread 2,1 bound to {0}, verified #3,#2 thread 2,2 bound to {4}, verified #3,#2 thread 2,1 bound to {2}, verified #3,#2 thread 2,0 bound to {0}, verified #3,#2 thread 2,3 bound to {6}, verified #3,#2,#1 thread 2,0,1 bound to {0}, verified #3,#2,#1 thread 2,0,0 bound to {0}, verified #3,#2,#1 thread 2,0,3 bound to {1}, verified #3,#2,#1 thread 2,0,4 bound to {0}, verified #3,#2,#1 thread 2,0,2 bound to {1}, verified #3,#2,#2 thread 2,3,0 bound to {6}, verified #3,#2,#2 thread 2,3,3 bound to {7}, verified #3,#2,#2 thread 2,3,2 bound to {7}, verified #3,#2,#2 thread 2,3,4 bound to {6}, verified #3,#2,#2 thread 2,3,1 bound to {6}, verified #3,#3 thread 2,0 bound to {0}, verified #3,#3 thread 2,3 bound to {0}, verified #3,#3 thread 2,2 bound to {0}, verified #3,#3 thread 2,1 bound to {0}, verified #3,#4 thread 2,1 bound to {1}, verified #3,#4 thread 2,5 bound to {5}, verified #3,#4 thread 2,3 bound to {3}, verified #3,#4 thread 2,0 bound to {0}, verified #3,#4 thread 2,2 bound to {2}, verified #3,#4 thread 2,4 bound to {4}, verified #4 thread 1 bound to {1}, verified #4 thread 2 bound to {2}, verified #4 thread 3 bound to {3}, verified #4 thread 4 bound to {4}, verified #4 thread 0 bound to {0}, verified #4,#1 thread 2,0 bound to {2}, verified #4,#1 thread 2,3 bound to {2}, verified #4,#1 thread 2,2 bound to {2}, verified #4,#1 thread 2,1 bound to {2}, verified #4,#2 thread 2,1 bound to {4}, verified #4,#2 thread 2,3 bound to {0}, verified #4,#2 thread 2,2 bound to {6}, verified #4,#2 thread 2,0 bound to {2}, verified #4,#2,#1 thread 2,0,0 bound to {2}, verified #4,#2,#1 thread 2,0,3 bound to {3}, verified #4,#2,#1 thread 2,0,2 bound to {3}, verified #4,#2,#1 thread 2,0,4 bound to {2}, verified #4,#2,#1 thread 2,0,1 bound to {2}, verified #4,#2,#2 thread 2,2,3 bound to {7}, verified #4,#2,#2 thread 2,2,2 bound to {7}, verified #4,#2,#2 thread 2,2,4 bound to {6}, verified #4,#2,#2 thread 2,2,1 bound to {6}, verified #4,#2,#2 thread 2,2,0 bound to {6}, verified #4,#2,#3 thread 2,3,2 bound to {1}, verified #4,#2,#3 thread 2,3,0 bound to {0}, verified #4,#2,#3 thread 2,3,4 bound to {0}, verified #4,#2,#3 thread 2,3,1 bound to {0}, verified #4,#2,#3 thread 2,3,3 bound to {1}, verified #4,#3 thread 2,0 bound to {2}, verified #4,#3 thread 2,3 bound to {2}, verified #4,#3 thread 2,2 bound to {2}, verified #4,#3 thread 2,1 bound to {2}, verified #4,#4 thread 2,1 bound to {3}, verified #4,#4 thread 2,2 bound to {4}, verified #4,#4 thread 2,5 bound to {7}, verified #4,#4 thread 2,4 bound to {6}, verified #4,#4 thread 2,0 bound to {2}, verified #4,#4 thread 2,3 bound to {5}, verified ./affinity-1.exe | grep verified | wc 1065 7445 44193 taskset -c 0-15 ./affinity-1.exe | grep gomp | wc 0 0 0 [innocent@olsnba04 parallel]$ > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58642 > > --- Comment #29 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > Created attachment 30967 > --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30967&action=edit > Y > > Ah, thanks, I can see where the failing sched_getaffinity calls are coming > from, hopefully this patch should fix that. > > That doesn't explain the libgomp errors you were getting though (if you can > still reproduce them). > To track that perhaps we could instrument libgomp to tell us more details. > > -- > You are receiving this mail because: > You reported the bug. -- Il est bon de suivre sa pente, pourvu que ce soit en montant. A.G. http://www.flickr.com/photos/vin60/1320965757/