Re: How do you investigate the cause of total hang? Is there some information that I should pay attention to in order to get some hint?

Hi, Cong Wang Thank you for taking the time to respond to me. Do you think the message(i.e. "RCU detect a stall on CPU 2") indicates there is a lockup. Cong Wang 于2020年7月1日周三 下午2:07写道： > > On Tue, Jun 30, 2020 at 7:49 PM 孙世龙 sunshilong > wrote: > > > > Hi, list > > > > My x86

Re: How do you investigate the cause of total hang? Is there some information that I should pay attention to in order to get some hint?

On Tue, Jun 30, 2020 at 7:49 PM 孙世龙 sunshilong wrote: > > Hi, list > > My x86 machine(linux4.19) sometimes hangs, suddenly not responding in > any way to the mouse or the keyboard. > > How can I investigate why it hung up? Is there extra information I can > find for a clue? Is there anything less

How do you investigate the cause of total hang? Is there some information that I should pay attention to in order to get some hint?

Hi, list My x86 machine(linux4.19) sometimes hangs, suddenly not responding in any way to the mouse or the keyboard. How can I investigate why it hung up? Is there extra information I can find for a clue? Is there anything less drastic than power-off to get some kind of action, if only some