E:Error, pkgProblemResolver::Resolve generates breaks, this may be caused by held packages.

[Mika Väliviita]

This happened when trying to upgrade from 11.4 to 11.10. Please provide instructions on how to proceed.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.150.3
ProcVersionSignature: Ubuntu 2.6.38-12.51-generic 2.6.38.8
Uname: Linux 2.6.38-12-generic x86_64
Architecture: amd64
Date: Fri Oct 14 10:33:29 2011
GConfNonDefault:
 /apps/update-manager/check_new_release_ignore=
 /apps/update-manager/first_run=false
 /apps/update-manager/show_details=true
 /apps/update-manager/window_size=(692,910)
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=fi_FI.utf8
 LC_MESSAGES=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: Upgraded to natty on 2011-10-14 (0 days ago)

[Michael Vogt (mvo)]

Thanks for your bugreport.

Could you please attach the files in /var/log/dist-upgrade/* ?

Thanks,
 Michael

[Mika Väliviita (mika-valiviita-r)]

There are quite a many files and directories there. What do you want specifically?

Anyways, main.log has this:

Traceback (most recent call last):

  File "/tmp/update-manager-9g9Jn8/oneiric", line 7, in <module>
    sys.exit(main())

  File "/tmp/update-manager-9g9Jn8/DistUpgradeMain.py", line 199, in main
    if app.run():

  File "/tmp/update-manager-9g9Jn8/DistUpgradeController.py", line 1670, in run
    return self.fullUpgrade()

  File "/tmp/update-manager-9g9Jn8/DistUpgradeController.py", line 1627, in fullUpgrade
    if not self.askDistUpgrade():

  File "/tmp/update-manager-9g9Jn8/DistUpgradeController.py", line 895, in askDistUpgrade
    if not self._checkFreeSpace():

  File "/tmp/update-manager-9g9Jn8/DistUpgradeController.py", line 861, in _checkFreeSpace
    with_snapshots = self._is_apt_btrfs_snapshot_supported()

  File "/tmp/update-manager-9g9Jn8/DistUpgradeController.py", line 1005, in _is_apt_btrfs_snapshot_supported
    apt_btrfs = apt_btrfs_snapshot.AptBtrfsSnapshot()

  File "/tmp/update-manager-9g9Jn8/apt_btrfs_snapshot.py", line 85, in __init__
    self.fstab = Fstab(fstab)

  File "/tmp/update-manager-9g9Jn8/apt_btrfs_snapshot.py", line 53, in __init__
    entry = FstabEntry.from_line(line)

  File "/tmp/update-manager-9g9Jn8/apt_btrfs_snapshot.py", line 31, in from_line
    return FstabEntry(*line.split())

TypeError: __init__() takes at most 7 arguments (8 given)

2011-10-14 10:14:24,826 DEBUG running apport_crash()
2011-10-14 10:14:27,004 DEBUG enabling apt cron job