As the picture below , my VM Linux machine was hung and I cant loginhow to identify the reason for the hung according to the messages on the console? I also searched more info from the /var/log/messages file ( but I get lost there , I can't find something useful ) , also not exactly know where to find core files?what the other  files that we can find info for this situation ?
Linux + how to know why Linux machine is hung from the messages on the console
linux;kernel;logs;kernel panic;core dump