Hi Eric, Tested with both patches applied, still seeing the warning. Thanks! On Sat, Oct 29, 2016 at 7:43 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote: > On Sat, 2016-10-29 at 19:06 +0200, Andrey Konovalov wrote: >> Hi Cong, >> >> Tested with your patch, still getting a warning, though it's a little different: >> >> ------------[ cut here ]------------ >> WARNING: CPU: 1 PID: 3876 at kernel/sched/core.c:7724 >> __might_sleep+0x14c/0x1a0 kernel/sched/core.c:7719 >> do not call blocking ops when !TASK_RUNNING; state=1 set at >> [<ffffffff811f5a5c>] prepare_to_wait+0xbc/0x210 >> kernel/sched/wait.c:178 >> Modules linked in: > > This looks like the following patch is needed, can you test it ? > Thanks ! > > diff --git a/net/dccp/output.c b/net/dccp/output.c > index b66c84db0766..74d8583a0d52 100644 > --- a/net/dccp/output.c > +++ b/net/dccp/output.c > @@ -228,6 +228,7 @@ static int dccp_wait_for_ccid(struct sock *sk, unsigned long delay) > > remaining = schedule_timeout(delay); > > + sched_annotate_sleep(); > lock_sock(sk); > sk->sk_write_pending--; > finish_wait(sk_sleep(sk), &wait); > > > -- To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
