Re: [WARNING] CPU: 27 PID: 6295 at kernel/sched/core.c:7300 __might_sleep+0xbd/0xd0()

Thanks Cong, I found another thread: https://lkml.org/lkml/2015/2/3/690 Looks the patch fix the same WARNING. On Thu, Feb 5, 2015 at 7:33 AM, Cong Wang wrote: > On Wed, Feb 4, 2015 at 1:57 AM, Jinpu Wang > wrote: >> Hi, >> >> I hit WARNING below after update to 3.19-rc6, when I running fio

Re: [WARNING] CPU: 27 PID: 6295 at kernel/sched/core.c:7300 __might_sleep+0xbd/0xd0()

On Wed, Feb 4, 2015 at 1:57 AM, Jinpu Wang wrote: > Hi, > > I hit WARNING below after update to 3.19-rc6, when I running fio with libaio. > Any one see this warning before, or maybe know how to fix it? > > From the call trace: > (gdb) list *read_events+0x1e8 > 0x81225ad8 is in read_events

[WARNING] CPU: 27 PID: 6295 at kernel/sched/core.c:7300 __might_sleep+0xbd/0xd0()

amp;ret), 1261until); 1262 1263if (!ret && signal_pending(current)) (gdb) looks like the WARNING come from wait_event_interruptible_hrtimeout? [ 165.011157] [ cut here ]---- [ 165.011182] WARNING: CPU: 27 PID: 6295 at kernel/sched/core.c:7300 _