[Bug 349469] Re: debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable

[Jake McGregor]

I think I found something else that might be slightly related. I first
came across this error when I was removing some packages remotely via
ssh. There seems to be a problem with man-db. See the terminal output
below from when I removed a package. Look carefully at the last few
lines.

karatekid at MGD-Server:~$ sudo apt-get remove parole
[sudo] password for karatekid: 
no talloc stackframe at ../source3/param/loadparm.c:4864, leaking memory
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  parole
0 upgraded, 0 newly installed, 1 to remove and 3 not upgraded.
1 not fully installed or removed.
After this operation, 1,800 kB disk space will be freed.
Do you want to continue? [Y/n] y
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
(Reading database ... 231413 files and directories currently installed.)
Removing parole (0.6.1-0ubuntu3.1) ...
Processing triggers for gnome-menus (3.10.1-0ubuntu2) ...
Processing triggers for bamfdaemon (0.5.1+14.04.20140409-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for desktop-file-utils (0.22-1ubuntu1) ...
Processing triggers for mime-support (3.54ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.13-1) ...
Setting up man-db (2.6.7.1-1) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing package man-db (--configure):
 subprocess installed post-installation script returned error exit status 1
E: Sub-process /usr/bin/dpkg returned an error code (1)
karatekid at MGD-Server:~$

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https://bugs.launchpad.net/bugs/349469

Title:
  debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by
  another process: Resource temporarily unavailable

Status in Ambasa Operating System:
  New
Status in Debconf:
  New
Status in “aptdaemon” package in Ubuntu:
  Triaged
Status in “debconf” package in Ubuntu:
  Triaged

Bug description:
  Upgrading packages that use debconf sometimes fail with the following
  error:

  debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by
  another process: Resource temporarily unavailable

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