Re: 2.6.17-rc5-mm2

[Ingo Molnar]

* Andrew Morton <akpm@xxxxxxxx> wrote:

> On Fri, 2 Jun 2006 09:09:48 +0200
> Ingo Molnar <mingo@xxxxxxx> wrote:
> 
> > In all other cases (if we go outside of the stack page(s)) we _must_ 
> > fall back to the dump 'scan the stack pages for interesting entries' 
> > method, to get the information out! "Uh oh the unwind info somehow got 
> > corrupted, sorry" is not enough to debug a kernel bug.
> 
> Also, it might be worth doing a two-pass thing.  Pass 1 doesn't print 
> anything - it just figures out whether pass2 will succeed.  If not, 
> fall back without printing anything.

correct, that's what stacktrace.c does for example. In the first lockdep 
queue i switched show_trace() to make use of stacktrace.c, so it can be 
used for printing traces too.

	Ingo
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