Re: [1/3] 2.6.22-rc3: known regressions v2

[Ingo Molnar]

* Miklos Szeredi <miklos@xxxxxxxxxx> wrote:

> > Subject    : long freezes on thinkpad t60
> > References : http://lkml.org/lkml/2007/5/24/100
> > Submitter  : Miklos Szeredi <miklos@xxxxxxxxxx>
> > Handled-By : Ingo Molnar <mingo@xxxxxxx>
> > Status     : problem is being debugged
> 
> This isn't a regression strictly speaking, as 2.6.21 is known to be 
> affected, and older kernels might also be.
> 
> It's non-fatal and only happens under very special circumstances, so 
> it's definitely not a showstopper.
> 
> I don't mind being bugged about this once in a while, this is just for 
> clarification.

i have no better ideas that what you already tried - but unfortunately 
the tracer makes the bug go away and the NMI watchdog crashes your box. 
Btw., nmi_watchdog=2 might have a higher chance of surviving (it can 
still lock up a T60 but with a lower likelyhood).

	Ingo
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