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List:       gentoo-dev
Subject:    Re: [gentoo-dev] gdk-pixbuf-query-loaders usage in tree
From:       Pacho Ramos <pacho () gentoo ! org>
Date:       2011-10-18 18:21:32
Message-ID: 1318962092.21882.1.camel () belkin4
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El dom, 09-10-2011 a las 10:48 +0200, Fabio Erculiani escribió:
> gdk-pixbuf-query-loaders has a long history of segfaults.
> Not to blame anybody here, but still segfaults there can happen quite easily.
> 
> A nice example is:
> export __GL_NO_DSO_FINALIZER=1
> $ gdk-pixbuf-query-loaders
> When nvidia.ko is in use.
> 
> The __GL_NO_DSO_FINALIZER is a hack that made buggy nvidia-drivers (or
> buggy gl threads usage?) work.
> The problem with our ebuilds is that everybody did something like this
> (in pkg_postinst):
> 
> gdk-pixbuf-query-loaders > "${ROOT}usr/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache"
> 
> 1) exit status is not even considered
> 2) output redirection truncates the destination file as soon as the
> executable is spawned
> 
> This is very bad, because in case of segfaults, loaders.cache is
> totalled, resulting in gtk+ apps dying miserably.
> 
> Please don't do that, never ever. We don't live in a perfect world.
> 
> x11-libs/gdk-pixbuf got fixed already.
> 
> Others affected:
> app-emulation/emul-linux-x86-gtklibs
> gnome-base/librsvg
> media-libs/libwmf
> others?
> 

I would really appreciate if you could fix this three yourself :-)

Thanks a lot

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