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Re: slow su?

In article <>,
David Holland  <> wrote:
>On Wed, Aug 10, 2011 at 08:25:54AM +0200, Ian D. Leroux wrote:
> > Since updating my amd64 system to the latest -current two weeks ago
> > su(1) has been taking ~30s to display the "password" prompt. Otherwise
> > it works normally.  Other userland utilities run at normal speed, and
> > even graphical clients like sylpheed are up, running, and responsive
> > long before su, even if it's their first time being run since boot and
> > su has been run multiple times (i.e. this isn't a disk caching issue).
> > A timeout, perhaps?
> > 
> > This could very well be a misconfiguration on my part, rather than an
> > actual bug.  Before I start trying to systematically revert changes I
> > made to the system around when this symptom appeared, does anyone have a
> > hint about where to look?
>My first instinct would be to rebuild su without PAM and see if that
>makes the problem go away. If it does, check if your PAM "config"
>files have deviated from the default (while it's possible to
>successfully edit them, only dedicated PAM experts seem to be able to
>do so reliably) and also check if you've accidentally turned on

Or check DNS...


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