Additional info:
reporter:       libreport-2.17.11
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ksoftirqd/0:15]
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f700188be9c
Code: 89 4c 24 1c e8 45 97 f7 ff 44 8b 54 24 1c 8b 3c 24 45 31 c9 89 c5 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 04 24 e8 91 97 f7 ff 48 8b 04
RSP: 002b:00007f70003fd7b0 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f70003fd8a0 RCX: 00007f700188be9c
RDX: 0000000000000064 RSI: 00007f70003fd8a0 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 00000000002b7b7d
R13: 00007f70003fdcf0 R14: 0000000000000064 R15: 0000000000000000
 </TASK>
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (618 ticks this GP) idle=0f2c/1/0x4000000000000000 softirq=113277433/113277433 fqs=1
rcu: 	(t=241477 jiffies g=128827697 q=101 ncpus=1)
rcu: rcu_preempt kthread timer wakeup didn't happen for 168850 jiffies! g128827697 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=892940846
rcu: rcu_preempt kthread starved for 168853 jiffies! g128827697 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:0     pid:16    ppid:2      flags:0x00004000
Call Trace:

Potential duplicate: bug 2029505