[ 26.541937] INFO: rcu_sched self-detected stall on CPU [ 26.542948] INFO: rcu_sched detected stalls on CPUs/tasks: [ 26.542959] 3-...: (20987 ticks this GP) idle=2ef/140000000000001/0 softirq=182/182 fqs=5168 [ 26.542962] (detected by 1, t=21002 jiffies, g=-222, c=-223, q=14) [ 26.542964] Task dump for CPU 3: [ 26.542968] swapper/0 R running task 0 1 0 0x00000008 [ 26.542973] 0000000000000003 ffff8803a4bef228 0000000000015120 ffff8803a4be6400 [ 26.542976] ffffffffa900e5a0 0000000000000297 0000000000000000 0000000000000297 [ 26.542979] ffff88039d950c00 000000000006e660 ffff8803a4bef220 0000000000000297 [ 26.542980] Call Trace: [ 26.542983] [] ? 0xffffffffa7fbd7c1 [ 26.542985] [] ? 0xffffffffa7f17d35 [ 26.542986] [] ? 0xffffffffa796c115 [ 26.542988] [] ? 0xffffffffa7633d86 [ 26.542989] [] ? 0xffffffffa796c0a6 [ 26.542991] [] ? 0xffffffffa796c761 [ 26.542992] [] ? 0xffffffffa796a5d0 [ 26.542993] [] ? 0xffffffffa7f17d35 [ 26.542995] [] ? 0xffffffffa7657aee [ 26.542996] [] ? 0xffffffffa77d2daf [ 26.542997] [] ? 0xffffffffa77d3241 [ 26.542999] [] ? 0xffffffffa768e427 [ 26.543000] [] ? 0xffffffffa7680b62 [ 26.543002] [] ? 0xffffffffa7681d05 [ 26.543003] [] ? 0xffffffffa7682d36 [ 26.543004] [] ? 0xffffffffa76859e4 [ 26.543006] [] ? 0xffffffffa7677352 [ 26.543007] [] ? 0xffffffffa767886a [ 26.543009] [] ? 0xffffffffa8e68a94 [ 26.543010] [] ? 0xffffffffa8e7998f [ 26.543011] [] ? 0xffffffffa7967d0a [ 26.543013] [] ? 0xffffffffa7968cee [ 26.543014] [] ? 0xffffffffa7f17bfe [ 26.543016] [] ? 0xffffffffa796c1b6 [ 26.543017] [] ? 0xffffffffa796c1b6 [ 26.543018] [] ? 0xffffffffa7f47d98 [ 26.543020] [] ? 0xffffffffa796c777 [ 26.543021] [] ? 0xffffffffa796a5d0 [ 26.543023] [] ? 0xffffffffa7f17d35 [ 26.543024] [] ? 0xffffffffa7657aee [ 26.543026] [] ? 0xffffffffa7657950 [ 26.543027] [] ? 0xffffffffa7f57519 [ 26.543028] [] ? 0xffffffffa7f57577 [ 26.543030] [] ? 0xffffffffa77d2928 [ 26.543031] [] ? 0xffffffffa768d320 [ 26.543033] [] ? 0xffffffffa767fccd [ 26.543034] [] ? 0xffffffffa767fccd [ 26.543035] [] ? 0xffffffffa7680ee7 [ 26.543037] [] ? 0xffffffffa76806c0 [ 26.543038] [] ? 0xffffffffa8078048 [ 26.543040] [] ? 0xffffffffa7620446 [ 26.543041] [] ? 0xffffffffa7620446 [ 26.543043] [] ? 0xffffffffa7fbd7c1 [ 26.543044] [] ? 0xffffffffa7f17d35 [ 26.543046] [] ? 0xffffffffa796c115 [ 26.543047] [] ? 0xffffffffa7633d86 [ 26.543048] [] ? 0xffffffffa796c0a6 [ 26.543050] [] ? 0xffffffffa796c761 [ 26.543051] [] ? 0xffffffffa796a5d0 [ 26.543052] [] ? 0xffffffffa7f17d35 [ 26.543054] [] ? 0xffffffffa7657aee [ 26.543055] [] ? 0xffffffffa77d2daf [ 26.543057] [] ? 0xffffffffa77d3241 [ 26.543058] [] ? 0xffffffffa7683199 [ 26.543059] [] ? 0xffffffffa76859e4 [ 26.543061] [] ? 0xffffffffa7677352 [ 26.543062] [] ? 0xffffffffa767886a [ 26.543063] [] ? 0xffffffffa8e68a94 [ 26.543065] [] ? 0xffffffffa8e7998f [ 26.543066] [] ? 0xffffffffa79687af [ 26.543068] [] ? 0xffffffffa7967d0a [ 26.543069] [] ? 0xffffffffa7968cee [ 26.543071] [] ? 0xffffffffa7f17bfe [ 26.543072] [] ? 0xffffffffa796c1b6 [ 26.543073] [] ? 0xffffffffa796c1b6 [ 26.543075] [] ? 0xffffffffa7f47d98 [ 26.543076] [] ? 0xffffffffa796c777 [ 26.543078] [] ? 0xffffffffa796a5d0 [ 26.543079] [] ? 0xffffffffa7f17d35 [ 26.543080] [] ? 0xffffffffa7657aee [ 26.543082] [] ? 0xffffffffa7657950 [ 26.543083] [] ? 0xffffffffa7f57519 [ 26.543085] [] ? 0xffffffffa7f57577 [ 26.543086] [] ? 0xffffffffa77d2928 [ 26.543088] [] ? 0xffffffffa76928d6 [ 26.543089] [] ? 0xffffffffa769198f [ 26.543090] [] ? 0xffffffffa76935b9 [ 26.543092] [] ? 0xffffffffa7693110 [ 26.543093] [] ? 0xffffffffa76859e4 [ 26.543095] [] ? 0xffffffffa7693867 [ 26.543096] [] ? 0xffffffffa767886f [ 26.543098] [] ? 0xffffffffa8e68a94 [ 26.543099] [] ? 0xffffffffa8e7998f [ 26.543101] [] ? 0xffffffffa8e68a60 [ 26.757288] 3-...: (20987 ticks this GP) idle=2ef/140000000000001/0 softirq=182/182 fqs=5221 [ 26.758231] (t=21217 jiffies g=-222 c=-223 q=14) [ 26.759200] Task dump for CPU 3: [ 26.760162] swapper/0 R running task 0 1 0 0x00000008 [ 26.761198] ffffffffa9662f20 000000002fea3a50 ffff8803acf87c98 ffffffffa770d396 [ 26.762288] 0000000000000006 0000000000000010 0000000041b58ab3 ffffffffa94133d8 [ 26.763404] ffffffffa770d170 ffff8803acf87d30 ffffffffa7f57519 0000000000000008 [ 26.764568] Call Trace: [ 26.765720] [] 0xffffffffa770d396 [ 26.766934] [] ? 0xffffffffa770d170 [ 26.768166] [] ? 0xffffffffa7f57519 [ 26.769397] [] 0xffffffffa7714ec1 [ 26.770633] [] 0xffffffffa8e5e395 [ 26.771876] [] 0xffffffffa7794356 [ 26.773122] [] ? 0xffffffffa78242af [ 26.774380] [] 0xffffffffa779e4a0 [ 26.775645] [] 0xffffffffa77c8253 [ 26.776907] [] ? 0xffffffffa779eb93 [ 26.778180] [] ? 0xffffffffa77c81a0 [ 26.779460] [] 0xffffffffa779f30e [ 26.780747] [] 0xffffffffa77a0fbc [ 26.782037] [] 0xffffffffa8e7b26f [ 26.783326] [] 0xffffffffa8e7b2d9 [ 26.784608] [] 0xffffffffa8e7ab1c [ 26.785896] [] ? 0xffffffffa76928d6 [ 26.787228] [] ? 0xffffffffa769198f [ 26.788572] [] 0xffffffffa76935b9 [ 26.789916] [] ? 0xffffffffa7693110 [ 26.791268] [] ? 0xffffffffa76859e4 [ 26.792625] [] 0xffffffffa7693867 [ 26.793991] [] 0xffffffffa767886f [ 26.795355] [] 0xffffffffa8e68a94 [ 26.796720] [] 0xffffffffa8e7998f [ 26.798086] [] ? 0xffffffffa8e68a60