[Bug 827942] Re: package dselect (not installed) failed to install/upgrade: unable to create `/etc/dpkg/dselect.cfg.dpkg-new' (while processing `./etc/dpkg/dselect.cfg'): Invalid argument

[Raphaël Hertzog]

What filesystem are you using? This error message means that a simple
open fails:

    fd= open(fnamenewvb.buf, (O_CREAT|O_EXCL|O_WRONLY), 0);
    if (fd < 0)
      ohshite(_("unable to create `%.255s' (while processing `%.255s')"),
              fnamenewvb.buf, ti->name);

And those arguments O_CREAT|O_EXCL|O_WRONLY are very common and should
not result in the error you gave.

Can you show us the output of "ls -al /etc/dpkg/" and "mount" ?

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Title:
  package dselect (not installed) failed to install/upgrade: unable to
  create `/etc/dpkg/dselect.cfg.dpkg-new' (while processing
  `./etc/dpkg/dselect.cfg'): Invalid argument

Status in “dpkg” package in Ubuntu:
  New

Bug description:
  I don't know a great deal about linux/ubuntu.  I was trying to update
  a library file libc6 to a newer version, and could not see a way to do
  this using apt, so I went through some man pages, found dselect, tried
  to use it, found it was not installed, and tried to install it using
  apt-get....this is when I received this error.  I don't know if it's a
  bug or not, I don't know if I can't use dselect when apt is already
  installed due to some sort of conflict.

  ProblemType: Package
  DistroRelease: Ubuntu 11.04
  Package: dselect (not installed)
  ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
  Uname: Linux 2.6.38-10-generic i686
  NonfreeKernelModules: wl
  AptOrdering:
   dselect: Install
   dselect: Configure
  Architecture: i386
  Date: Wed Aug 17 07:00:16 2011
  DpkgTerminalLog:
   Unpacking dselect (from .../dselect_1.16.0~ubuntu7_i386.deb) ...
   dpkg: error processing /var/cache/apt/archives/dselect_1.16.0~ubuntu7_i386.deb (--unpack):
    unable to create `/etc/dpkg/dselect.cfg.dpkg-new' (while processing `./etc/dpkg/dselect.cfg'): Invalid argument
  ErrorMessage: unable to create `/etc/dpkg/dselect.cfg.dpkg-new' (while processing `./etc/dpkg/dselect.cfg'): Invalid argument
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  SourcePackage: dpkg
  Title: package dselect (not installed) failed to install/upgrade: unable to create `/etc/dpkg/dselect.cfg.dpkg-new' (while processing `./etc/dpkg/dselect.cfg'): Invalid argument
  UpgradeStatus: No upgrade log present (probably fresh install)

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