On Wed, 2011-06-22 at 19:16 +0200, Gilles Chanteperdrix wrote:
> On 05/19/2011 10:29 PM, Philippe Gerum wrote:
> > On Thu, 2011-05-19 at 20:36 +0200, Jan Kiszka wrote:
> >> On 2011-05-19 20:15, Gilles Chanteperdrix wrote:
> >>> On 05/19/2011 03:58 PM, Philippe Gerum wrote:
> >>>> For this reason, I'm considering issuing a patch for a complete removal
> >>>> of the NMI latency watchdog code in Xenomai 2.6.x, disabling the feature
> >>>> for 2.6.38 kernels and above in 2.5.x.
> >>>> Comments welcome.
> >>> I am in the same case as you: I no longer use Xeno's NMI watchdog, so I
> >>> agree to get rid of it.
> >> Yeah. The last time we wanted to use it get more information about a
> >> hard hang, the CPU we used was not supported.
> >> Philippe, did you test the Linux watchdog already, if it generate proper
> >> results on artificial Xenomai lockups on a single core?
> > This works provided we tell the pipeline to enter printk-sync mode when
> > the watchdog kicks. So I'd say that we could probably do a better job in
> > making the pipeline core smarter wrt NMI watchdog context handling than
> > asking Xenomai to dup the mainline code for having its own NMI handling.
> If nobody disagrees, I am removing this code from -head. Now.
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