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

[Oleg Cherkasov]

On 02.07.2020 08:09, 孙世龙 sunshilong wrote:
> Hi,
> 
> My x86 machine sometimes hangs, suddenly not responding in
> any way to the mouse or the keyboard.
> 
> How can I investigate the cause of total hang? Is there some
> information that I should pay attention to in order to get some hint?
> 

Try to switch into console mode with Alt+F3 or Alt+F4, login and check 
dmesg messages if there are any.


Cheers,
Oleg