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Re: strangest things after upgrade from 8 to 9

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On Sun, Dec 30, 2018 at 08:37:38AM -0600, John Hasler wrote:
> 
> You wouldn't be installing something in /usr/local/lib that shadows the
> SONAME of a library that is in the Debian archive (as it will be if a
> binary from a Debian package is searching for it) unless the "funny
> results" are what you want.
> 
Unless you install a library with a SONAME that is not in the Debian
archive (of your current version), you upgrade, and then you discover
(through the funny results) that the SONAME of that library in
/usr/local/lib is the same as one from the archive and is masking the
latter.

> In any case the loader isn't that easy to fool.  The cache is not the
> first place searched.

Sure, with things like rpath and runpath it is relatively easy to ensure
that a consistent set of libraries are used for a given binary.
However, in my experience, many upstream projects simply do not support
them or employ them improperly.  Of those that do attempt to support
rpath/runpath many get it wrong.  So, a user/admin is frequently left to
the chance that comes with the loader's directory search order.

Regards,

-Roberto

-- 
Roberto C. Sánchez

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Thread

strangest things after upgrade from 8 to 9 "mikesa@corigroup.it" <mikesa@corigroup.it> - 2018-12-29 15:50 +0100
  Re: strangest things after upgrade from 8 to 9 Roberto C. Sánchez <roberto@debian.org> - 2018-12-29 16:00 +0100
    Re: strangest things after upgrade from 8 to 9 "mikesa@corigroup.it" <mikesa@corigroup.it> - 2018-12-29 16:10 +0100
      Re: strangest things after upgrade from 8 to 9 Roberto C. Sánchez <roberto@debian.org> - 2018-12-29 16:20 +0100
        Re: strangest things after upgrade from 8 to 9 "mikesa@corigroup.it" <mikesa@corigroup.it> - 2018-12-29 16:30 +0100
      Re: strangest things after upgrade from 8 to 9 "mikesa@corigroup.it" <mikesa@corigroup.it> - 2018-12-29 16:20 +0100
        Re: strangest things after upgrade from 8 to 9 Roberto C. Sánchez <roberto@debian.org> - 2018-12-29 16:30 +0100
  Re: strangest things after upgrade from 8 to 9 David Christensen <dpchrist@holgerdanske.com> - 2018-12-29 20:00 +0100
    Re: strangest things after upgrade from 8 to 9 Roberto C. Sánchez <roberto@debian.org> - 2018-12-29 20:50 +0100
      Re: strangest things after upgrade from 8 to 9 John Hasler <jhasler@newsguy.com> - 2018-12-29 21:00 +0100
      Re: strangest things after upgrade from 8 to 9 Reco <recoverym4n@enotuniq.net> - 2018-12-29 21:10 +0100
        Re: strangest things after upgrade from 8 to 9 Roberto C. Sánchez <roberto@debian.org> - 2018-12-29 22:20 +0100
          Re: strangest things after upgrade from 8 to 9 John Hasler <jhasler@newsguy.com> - 2018-12-29 22:30 +0100
            Re: strangest things after upgrade from 8 to 9 Reco <recoverym4n@enotuniq.net> - 2018-12-30 07:30 +0100
              Re: strangest things after upgrade from 8 to 9 John Hasler <jhasler@newsguy.com> - 2018-12-30 15:40 +0100
                Re: strangest things after upgrade from 8 to 9 Roberto C. Sánchez <roberto@debian.org> - 2018-12-30 15:50 +0100
                Re: strangest things after upgrade from 8 to 9 John Hasler <jhasler@newsguy.com> - 2018-12-31 15:40 +0100
          Re: strangest things after upgrade from 8 to 9 Reco <recoverym4n@enotuniq.net> - 2018-12-30 07:30 +0100
  Re: pavucontrol missing device selection per stream after upgrade  from Debian 8 to 9 David Wright <deblis@lionunicorn.co.uk> - 2019-02-03 02:10 +0100

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