Re: INFO: rcu detected stall in __schedule

2018-05-02 Thread Dmitry Vyukov
On Thu, May 3, 2018 at 7:45 AM, Tetsuo Handa wrote: > I'm not sure whether this is a PPP bug. > > As of uptime = 484, RCU says that it stalled for 125 seconds. > > -- > [ 484.407032] INFO: rcu_sched self-detected stall on CPU > [ 484.412488] 0-...!: (125000 ticks this GP) idle=f3e/1/461

Re: INFO: rcu detected stall in __schedule

2018-05-02 Thread Tetsuo Handa
I'm not sure whether this is a PPP bug. As of uptime = 484, RCU says that it stalled for 125 seconds. -- [ 484.407032] INFO: rcu_sched self-detected stall on CPU [ 484.412488] 0-...!: (125000 ticks this GP) idle=f3e/1/4611686018427387906 softirq=112858/112858 fqs=0 [ 484.422300] (

INFO: rcu detected stall in __schedule

2018-05-02 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:f2125992e7cb Merge tag 'xfs-4.17-fixes-1' of git://git.kern... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?id=4755940087693312 kernel config: https://syzkaller.appspot.com/x/.config?id=64935577