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Full Discussion: AIX 5.3, TL6 problem??
Operating Systems AIX AIX 5.3, TL6 problem?? Post 302223002 by bakunin on Friday 8th of August 2008 05:37:43 AM
Old 08-08-2008
hmmm

an "efix" is an "emergency fix" in AIX. That is: someome reports a bug in the OS to IBM. If they recognize that its really their fault (not misconfiguration, misuse, etc.) they create an "APAR". I can't remember what the acronym means, the "P" stands for "problem", but basically it says "we officially declare having a bug".

Only then someone creates a fix for this, which results in a downloadable package (the "IY...."-files). Many of these packages bound together and repackaged make a "maintenance level" or "technical level", which is basically the same.

Where do the efixes come in? When a package is created it has to be thoroughly tested with all the other software parts of the OS because of possible interdependencies. Therefore it takes some time before such a IY-file is finished. If one doesnt have that much time IBM creates an "efix": a quick patch, which will hopefully correct the bug but nothing more. It might even create more problems as it solves. Plus: the package it corrects cannot be updated in a normal way any more. The efix has to be removed before updating it. (In the lslpp otput it has status "EFIX-LOCKED".) Additionally efixes are mutually exclusive: it might well be that several efixes for the same package exist but yo can install only one or the other, not two or more.

Bottom line: If you need an efix on top of TL6, why haven't you installed TL7 or even TL8 instead, which probably would correct the problem - without having to resort to efixes? Efixes are something one installs as an absolute last effort. Its not just another kind of update.

I hope this helps.

bakunin
 

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LEARN ABOUT PLAN9

dh_bugfiles

DH_BUGFILES(1)							     Debhelper							    DH_BUGFILES(1)

NAME

       dh_bugfiles - install bug reporting customization files into package build directories

SYNOPSIS

       dh_bugfiles [-A] [debhelperoptions]

DESCRIPTION

       dh_bugfiles is a debhelper program that is responsible for installing bug reporting customization files (bug scripts and/or bug control
       files and/or presubj files) into package build directories.

FILES

       debian/package.bug-script
	   This is the script to be run by the bug reporting program for generating a bug report template. This file is installed as
	   usr/share/bug/package in the package build directory if no other types of bug reporting customization files are going to be installed
	   for the package in question. Otherwise, this file is installed as usr/share/bug/package/script. Finally, the installed script is given
	   execute permissions.

       debian/package.bug-control
	   It is the bug control file containing some directions for the bug reporting tool. This file is installed as
	   usr/share/bug/package/control in the package build directory.

       debian/package.bug-presubj
	   The contents of this file are displayed to the user by the bug reporting tool before allowing the user to write a bug report on the
	   package to the Debian Bug Tracking System. This file is installed as usr/share/bug/package/presubj in the package build directory.

OPTIONS

       -A, --all
	   Install debian/bug-* files to ALL packages acted on when respective debian/package.bug-* files do not exist. Normally, debian/bug-*
	   will be installed to the first package only.

SEE ALSO

       /usr/share/doc/reportbug/README.developers.gz

       debhelper(1)

       This program is a part of debhelper.

AUTHOR

       Modestas Vainius <modestas@vainius.eu>

11.1.6ubuntu2							    2018-05-10							    DH_BUGFILES(1)
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