112 lines
4.0 KiB
Plaintext
112 lines
4.0 KiB
Plaintext
# -*- readme-debian -*-
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Debugging hints (Known problems below)
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======================================
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Enable debugging
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----------------
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To enable debug messages from dictionaries-common,
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export DICT_COMMON_DEBUG=1
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To enable debug messages from debconf,
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export DEBCONF_DEBUG=developer
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This last is very noisy, enable only if really needed. See
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debconf-devel(7) for more info about debconf debugging.
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Debugging dictionaries-common first configuration from debian-installer
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-----------------------------------------------------------------------
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If you want to debug dictionaries-common behavior during its first
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pre-configuration when running debian-installer, you need to run
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debian-installer in expert mode. Open a shell and near the top of
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/var/lib/dpkg/info/pkgsel.postinst
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add
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export DICT_COMMON_DEBUG=1
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This way, you should get debugging info in the syslog for the
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installation.
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Some known problems
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===================
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debconf question asked on every upgrade
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---------------------------------------
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If every time you upgrade any wordlist or ispell dictionary are asked
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about preferred language (and not only at most the first time you
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installed it) there is a problem, because that is not what current
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code should do.
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This has been noticed to happen due to debconf database corruption
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(e,g, #335612). Please read below section "Debconf database
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corruption".
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Problems installing or removing a wordlist/ispell dictionary
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----------------------------------------------
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Something like
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---
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# dpkg --purge wbritish
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(Reading database ... 111027 files and directories currently installed.)
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Removing wbritish ...
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Can't call method "choices" on an undefined value at /usr/share/perl5/Debconf/Question.pm line 85, <GEN0> line 4.
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dpkg: error processing wbritish (--purge):
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subprocess post-removal script returned error exit status 29
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Errors were encountered while processing:
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wbritish
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---
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may also be related to debconf type 1 db corruption (see
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#198297). Please read below section "Debconf database corruption".
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Debconf database corruption
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---------------------------
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Some of the problems listed above are caused by some sort of debconf
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database corruption.
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In most old cases (See #198297, #224400, #247849, #255193,
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#282587, #284287, #297534 and #335612) that corruption has been
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related to a nearly full /var partition. This most frequent cause
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for this should have been fixed in debconf 1.5.0 (See #198297). From
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its changelog,
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* Notice and error out on write errors (such as ENOSPC) when saving
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databases. Should help with a lot of database corruption bugs.
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but seems that other still unknown reasons may be flying around.
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Please take a look at those bug reports to check whether your problem is
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actually the same, and see if you can provide more information about
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the problem before proceeding further.
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If your problem seems related to debconf database corruption, be it of
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above kind or not, the suggested fix is, quoting Joey Hess message in
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#198297 bug page
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> By purging and reinstalling the package, you only fixed the entries for
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> that package. I suggest you run /usr/share/debconf/fix_db.pl as root,
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> which will delete all the orphaned questions. You may end up having to
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> repeat your answers to some debconf questions during future upgrades,
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> but that's a small price to pay for a consistent debconf database.
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After running /usr/share/debconf/fix_db.pl as root, please look which
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templates were affected,
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$ diff -u /var/cache/debconf/config.dat{-old,} | grep ^[+-]Name
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$ diff -u /var/cache/debconf/templates.dat{-old,} | grep ^[+-]Name
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Your debconf database should be now in a consistent state and packages
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configuration should succeed.
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Regarding ispell dictionaries and wordlists, you may still need to run
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'dpkg-reconfigure dictionaries-common' as root to make sure defaults
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are correct.
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-- Agustin Martin Domingo <agmartin@debian.org>, Tue, 26 Apr 2011 12:51:13 +0200
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LocalWords: debian debconf usr alioth org wordlists wordlist debhelper http
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LocalWords: iamerican wspanish miscfiles xemacs wbritish var html dpkg ispell
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