Re: /usr/bin/script eating 100% cpu with portupgrade and xargs

On 14 Oct 2011 21:50, "Stefan Bethke" <stb@lassitu.de> wrote:
>
>
> Am 14.10.2011 um 14:03 schrieb Jilles Tjoelker:
>
> > On Wed, Oct 12, 2011 at 11:25:35PM +0100, Adrian Wontroba wrote:
> >> On Sat, Oct 08, 2011 at 01:27:07AM +0100, Adrian Wontroba wrote:
> >>> I won't be in a position to create a simpler test case, raise a PR or
> >>> try patches till Tuesday evening (UK) at the earliest.
> >
> >> So far I have been unable to reproduce the problem with portupgrade
(and
> >> will probably move to portmaster).
> >
> >> I have however found a different but possibly related problem with the
> >> new version of script in RELENG_8, for which I have raised this PR:
> >
> >> misc/161526: script outputs corrupt if input is not from a terminal
> >
> >> Blast, should of course been bin/
> >
> > The extra ^D\b\b are the EOF character being echoed. These EOF
> > characters are being generated by the new script(1) to pass through the
> > EOF condition on stdin.
> >
> > One fix would be to change the termios settings temporarily to disable
> > the echoing but this may cause problems if the application is changing
> > termios settings concurrently and generally feels bad.
> >
> > It may be best to remove writing EOF characters, perhaps adding an
> > option to enable it again if there is a concrete use case for it.
>
> I finally figured out why my ports aren't updating anymore: when running
portupgrade -a --batch from cron, stdin is /dev/null, and that produces the
gobs of ^D in the output, as well as the script file that portupgrade
creates.  What's worse is that the upgrade never completes.
>

Worst of all, you're running portupgrade from cron without reading UPDATING,
which is just asking for trouble.

Chris
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