DebuggingInstallationIssues

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This error indicates that the installation or removal script is corrupted. Often this is a empty file or a file filed with garbage.
The file is one of /var/lib/dpkg/info/PACKAGE_NAME.p*

This error can occur either during installation or removal of the package.
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''Note about localized error message:''<<BR>>
Finding this error in the log is not always easy because the error string has been localized.
 . Erreur de format pour exec()
 . Exec 格式错误
 . Exec formátum hiba
 . Errore di formato di exec
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 * Add note about i18nized messages in log file and method to process those reports  * Add note about localized messages in log file and method to process those reports

Debugging Central

This page is part of the debugging series — pages with debugging details for a variety of Ubuntu packages.

Introduction

This page lists some general issues that users might encounter while performing updates of their system. Apport will usually detect these failures and file a bug in Launchpad. These bugs can be identified by the bug tag 'apport-package' and can occur on nearly any package.

There are usually log file attached to the report which differs depending on the kind of install/upgrade:

  • Package install/upgrade: DpkgTerminalLog

  • Distribution upgrade: VarLogDistupgradeMain and VarLogDistupgradeApttermlog

Detailed informations about debugging updatemanager can be found at DebuggingUpdateManager.

Documented below are the most commonly reported issues. For each case there is a description and a sample report and when applicable there is a workaround or fix and the master report it should be marked a duplicate of.

Known issues

Corrupted package archive

These errors indicates a corrupted archive (.deb or files on disk) The root cause of the corruption may be a bad network connection, faulty hardware, hardware shutdown,...

For those report the common workaround and stock response is:

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that there was an error caused by a corrupted archive. Please execute the following commands, as it will clear your package cache, in a terminal ( Applications -> Accessories -> Terminal ) :

sudo apt-get clean
sudo apt-get update

Then try performing the update again. This will likely resolve your issue. If so please set the bug's status to Invalid. Thanks in advance!

Not a Debian format archive

  • Bug : provide a master report 

dpkg-deb: `/var/cache/apt/archives/libswscale0_4%3a0.5+svn20090706-2ubuntu2_i386.deb' is not a debian format archive 
dpkg: error processing /var/cache/apt/archives/libswscale0_4%3a0.5+svn20090706-2ubuntu2_i386.deb (--unpack): 
 subprocess dpkg-deb --control returned error exit status 2

Corrupted filesystem tarfile

Unpacking libaccess-bridge-java (from .../libaccess-bridge-java_1.24.0-0ubuntu2_all.deb) ...
dpkg: error processing /var/cache/apt/archives/libaccess-bridge-java_1.24.0-0ubuntu2_all.deb (--unpack):
 corrupted filesystem tarfile - corrupted package archive
dpkg-deb: subprocess paste killed by signal (Broken pipe)

--fsys-tarfile

  • Bug : provide a master report 

Unpacking replacement audacity-data ...
dpkg-deb: subprocess paste killed by signal (Broken pipe)
dpkg: error processing /var/cache/apt/archives/audacity-data_1.3.7-2ubuntu1_all.deb (--unpack):
 subprocess dpkg-deb --fsys-tarfile returned error exit status 2
Processing triggers for man-db ...
Errors were encountered while processing:
 /var/cache/apt/archives/audacity-data_1.3.7-2ubuntu1_all.deb

short read - Input/output error

This either indicates no space left on hard disk, a faulty device or a corrupted archive

  • Bug : provide a master report 

Unpacking linux-image-2.6.27-11-generic (from .../linux-image-2.6.27-11-generic_2.6.27-11.24_i386.deb) ...
Done.
dpkg-deb: subprocess paste killed by signal (Broken pipe)
dpkg: error processing /var/cache/apt/archives/linux-image-2.6.27-11-generic_2.6.27-11.24_i386.deb (--unpack):
 short read in buffer_copy (backend dpkg-deb during `./lib/modules/2.6.27-11-generic/kernel/drivers/infiniband/core/ib_uverbs.ko')

or 

Unpacking replacement libfreetype6 ...
dpkg-deb (subprocess): error in buffer_read(stream): failed to write to pipe in copy: Input/output error
dpkg-deb: subprocess paste returned error exit status 2
dpkg: error processing /var/cache/apt/archives/libfreetype6_2.3.9-4ubuntu0.1_i386.deb (--unpack):
 short read in buffer_copy (backend dpkg-deb during `./usr/lib/libfreetype.so.6.3.20')

TODO: Not the standard workaround. Provide one.

Exec format error

This error indicates that the installation or removal script is corrupted. Often this is a empty file or a file filed with garbage. The file is one of /var/lib/dpkg/info/PACKAGE_NAME.p*

This error can occur either during installation or removal of the package.

During installation of a package 

Setting up flashplugin-installer (10.0.32.18ubuntu1) ...
dpkg (subprocess): unable to execute installed post-installation script: Exec format error
dpkg: error processing flashplugin-installer (--configure):
 subprocess installed post-installation script returned error exit status 2

During removal of a package 

Removing gnome-do ...
dpkg (subprocess): unable to execute installed pre-removal script: Exec format error
dpkg: error processing gnome-do (--purge):
 subprocess installed pre-removal script returned error exit status 2

Workaround A: Finish the install

$ sudo apt-get clean
$ sudo aptitude download python-libvirt
$ sudo dpkg --unpack ./python-libvirt*.deb
$ sudo dpkg --configure python-libvirt

Workaround B: Remove the package and reinstall

$ sudo rm /var/lib/dpkg/info/flashplugin-installer.{postinst,prerm,postrm}
$ sudo apt-get remove --purge flashplugin-installer
$ sudo apt-get clean
$ sudo apt-get update

Then reinstall the package

Note: Change the package by the one which failed (check the log file)

Note about localized error message:
Finding this error in the log is not always easy because the error string has been localized.

  • Erreur de format pour exec()
  • Exec 格式错误
  • Exec formátum hiba
  • Errore di formato di exec

lzma : decoder error

Unpacking openjdk-6-jre-lib (from .../openjdk-6-jre-lib_6b12-0ubuntu6_all.deb) ...
lzma: Decoder error
dpkg-deb: subprocess <decompress> returned error exit status 1
dpkg: error processing /var/cache/apt/archives/openjdk-6-jre-lib_6b12-0ubuntu6_all.deb (--unpack):
 short read in buffer_copy (backend dpkg-deb during `./usr/lib/jvm/java-6-openjdk/jre/lib/ext/localedata.jar')

files list file missing final newline / contains empty filename

Typically these errors take the form : files list file for package packagename contains empty filename or files list file for package packagename is missing final newline

* Bug 108189 

Selecting previously deselected package linux-source-2.6.27.
(Reading database ... dpkg: error processing /var/cache/apt/archives/linux-source-2.6.27_2.6.27-9.19_all.deb (--unpack):
 files list file for package `libpoppler-glib3' is missing final newline

Workaround:

This can be fixed, with a little work. If you have the .deb file for the offending package currently available on your system, then check its integrity by running:
dpkg --contents /var/cache/apt/archive/libgnome2-0_2.24.1-0ubuntu3_i386.deb
or get a .deb file by running :
sudo apt-get install --reinstall --download-only libgnome2-0

Once you have a valid .deb file, then you can reconstitute the file. First become root by using sudo -s (enter your administrative user password if necessary), and then use the following command:

dpkg -c /var/cache/apt/archive/libgnome2-0_2.24.1-0ubuntu3_i386.deb | awk \
'{if ($6 == "./") { print "/."; } \
else if (substr($6, length($6), 1) == "/") \
{print substr($6, 2, length($6) - 2); } \
else { print substr($6, 2, length($6) - 1);}}' \
> /var/lib/dpkg/info/libgnome2-0.list

Inconsistent state

Package in bad inconsistent state

E:'dpkg--configure-a'
E:_cache->open[] failed
package is in very bad inconsistent state - you should reinstall it before
attempting to configureing

Workaround A:

Please open a Terminal from the menu Applications->Accessories->Terminal and type or copy and paste the row below:

sudo apt-get --reinstall install cupsys
sudo dpkg --configure -a
sudo apt-get -f install

give your user password when requested, you don't see nothing when you type it, then press enter.

Workaround B:

Try the command below to purge the offending packages :
$ sudo dpkg --purge --force-remove-reinstreq flashplugin-installer flashplugin-nonfree

Then to reinstall :
$ sudo apt-get install flashplugin-installer

package is already installed and configured

dpkg: error processing language-pack-ar (--configure):
 package language-pack-ar is already installed and configured

Workaround A:

sudo dpkg --configure -a

Workaround B

apt-get install --reinstall language-pack-ar

Other issues

Can't access archive

dpkg: error processing /media/cdrom0//pool/main/g/gcc-4.4/libstdc++6-4.4-dev_4.4.1-4ubuntu8_i386.deb (--unpack):
 cannot access archive: No such file or directory
dpkg: error processing /media/cdrom0//pool/main/g/gcc-4.4/g++-4.4_4.4.1-4ubuntu8_i386.deb (--unpack):
 cannot access archive: No such file or directory

No space left on device

Unpacking replacement perl-base ...
dpkg: error processing /var/cache/apt/archives/perl-base_5.10.0-11.1ubuntu2.2_i386.deb (--unpack):
 failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb during `./usr/lib/perl/5.10.0/IO.pm': No space left on device

DbDriver "config" is locked

debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
https://bugs.edge.launchpad.net/ubuntu/+source/apt/+bug/349469

fuser -v will return the locking process if any. Kill it and try performing the upgrade again. If none then try performing the update again.

Non-bugs

Common issues arising from hardware failures, common invalid bugs for this category.

TODO

  • Add note about localized messages in log file and method to process those reports
  • Search for master reports, complete missing references in wiki and cross-reference report/wiki content

  • Add missing descriptions & workaround

  • Add section with common install/upgrade issues for specific packages ? only provide list of report + description ?

CategoryBugSquad CategoryDebugging

DebuggingInstallationIssues (last edited 2014-11-17 18:12:57 by mail)