Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks

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* Pekka Enberg <[email protected]> wrote:

> Hi,
> 
> On Mon, Dec 03, 2007 at 12:59:00PM +0100, Ingo Molnar wrote:
> > > "audit thousands of callsites in 8 million lines of code first" is a
> > > nice euphemism for hiding from the blame forever. We had 10 years for it
> 
> On Dec 3, 2007 2:13 PM, Andi Kleen <[email protected]> wrote:
> > Ok your approach is then to "let's warn about it and hope
> > it will go away"
> 
> It's more like "lets warn about it and fix the problems when we find 
> some." Btw, how is this different from how the lockdep patches went 
> in?

yeah, it's quite similar. (in fact this feature is expected to have a 
false positive rate lower than that of lockdep) The backtraces are 
essential as well, they help kernel developer find the bugs.

	Ingo
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