On 18/01/2019 16:18, jianchao.wang wrote: > It looks like the blk_mq_run_work_fn went to sleep with rcu lock (preempt), isn't it ? > Can you share the symbol of the following address ? Note: if I boot with 'nosmp', then the system reboots without logging anything. (Perhaps some kind of HW watchdog, or secure OS) I no longer get the 'rcu_preempt detected stalls' message... Regards.
