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Re: setting DDB_COMMANDONENTER="bt" by default



On Thu, Feb 15, 2018 at 06:27:25PM +0000, David Brownlee wrote:
> On 15 February 2018 at 17:51, Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> 
> > On Thu, Feb 15, 2018 at 01:19:31AM +0000, Sevan Janiyan wrote:
> > >
> > >
> > > > On 15 Feb 2018, at 01:09, Paul Goyette <paul%whooppee.com@localhost> wrote:
> > > >
> > > > Sounds like a good case for a custom kernel.  Not sure that such a
> > > > specific situation would warrant turning this on for everyone...
> > >
> > > We do have this set by default on some config files albeit with
> > differing commands to run e.g xen kernels.
> >
> > The problem with setting it by default is that the important information
> > (the panic message, or the function where the fault happended) may
> > be scrolled out of the screen by the stack trace. So I wouldn't
> > recommenend activating it by default.
> > the Xen kernels are a special case, becasue the console output
> > happens in an environnement where it's easy to scroll back.
> >
> 
> Is there some useful variant where the panic message is shown again at the
> end of the stack trace, or the stack trace defaults to a very small number
> of entries by default?

AFAIK no

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--


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