Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks

* David Rientjes <[email protected]> wrote:

> > this patch extends the soft-lockup detector to automatically detect 
> > hung TASK_UNINTERRUPTIBLE tasks. Such hung tasks are printed the 
> > following way:
> 
> Wouldn't a natural extension of this feature be to mark these hung 
> TASK_UNINTERRUPTIBLE tasks with a new thread flag such as TIF_HUNG for 
> the purposes of the OOM killer?

maybe, but we'd have to see how often this gets triggered. An OOM is 
something that could happen in any overloaded system - while a hung task 
is likely due to a kernel bug.

	Ingo
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