On 09/08, kernel test robot wrote: > > FYI, we noticed the following commit: > > https://github.com/0day-ci/linux > Oleg-Nesterov/sched-wait-fix-and-then-kill-abort_exclusive_wait/20160907-145024 > commit 02ae2b22bd2a42c4e4054563b139a541ba67a43e ("sched/wait: avoid > abort_exclusive_wait() in ___wait_event()")
Thanks! > [ 30.775242] kill 958 cat /proc/kmsg > [ 30.775242] wait for background monitors: 959 962 oom-killer nfs-hang > [ 32.078512] ------------[ cut here ]------------ > [ 32.080657] WARNING: CPU: 0 PID: 958 at kernel/sched/core.c:7610 > __might_sleep+0x6e/0x90 > [ 32.084787] do not call blocking ops when !TASK_RUNNING; state=1 set at > [<ffffffff81107e0d>] prepare_to_wait_event+0xad/0x120 Because I am stupid. With my change prepare_to_wait_event() does set_current_state(state) even on failure. Thanks a lot, I'll send V2. Oleg.
