A comma separated list of extra information to be dumped on panic, for example, “tasks,mem,timers,…”. It is a human readable alternative to ‘panic_print’. Possible values are:
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tasks print all tasks info
mem print system memory info
timer print timers info
lock print locks info if CONFIG_LOCKDEP is on
ftrace print ftrace buffer
all_bt print all CPUs backtrace (if available in the arch)
blocked_tasks print only tasks in uninterruptible (blocked) state
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