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

[martin suc]

I did following to solve it (many combination):

sudo rm /var/lib/dpkg/lock
sudo rm /var/cache/apt/archives/lock
sudo fuser -v /var/cache/debconf/config.dat
sudo kill 
#check if it has been killed or/and appeared again than kill again.

(For instance: I have been using it many times when I have been
upgrading from 12.04 to 12.10 quantal due to solve some hang ups of
application upgrading  (as well apt-get install -f or/and  dpkg
--configure -a))

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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 Debconf:
  New
Status in “aptdaemon” package in Ubuntu:
  Confirmed
Status in “debconf” package in Ubuntu:
  Triaged

Bug description:
  If you have encountered this bug, please run:

    sudo fuser /var/cache/debconf/config.dat

  for each of the shown process IDs, please run:

    pstree -alps $pid

  and report the output to this bug.

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