** Description changed: + When the ubuntu installer runs it has an option to download updates + during the install. When this happens snapd/snap-confine 2.22.6 are + installed on /target. The upgrade brings in snapd/snap-confine 2.23.1 + which has a conffile in /etc/apparmor.d/usr.lib.snapd.snap-confine. The + snapd packages declares a breaks/replaces: snapd-confine (<< 2.23) which + works correctly on regular upgrades. However it does fail on upgrades + with the "--root=/target" that is used by ubiquity. + + Snap 2.23.1 fails to upgrade from 2.21. Known facts: - reporters (and apport) indicate it fails during the install via the live-cd - not reproducible so far on an already installed system - breaks/replaces of snapd are correct - When adding "xenial-proposed" to apt-setup in ubiquity and installing Cause: - when ubiquity runs it uses "dpkg --root=/target --unpack ..." - however when doing the conffile checking dpkg does not handle the "--root" parameter correctly and checks something against "/" instead of "/target". --------------------------------------------- I really don't know what else to add... ProblemType: Package DistroRelease: Ubuntu 16.04 Package: snapd 2.23.1 ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11 Uname: Linux 4.8.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CasperVersion: 1.376.2 Date: Wed Mar 15 16:03:33 2017 DuplicateSignature: package:snapd:2.23.1 Unpacking snapd (2.23.1) over (2.21) ... dpkg: error processing archive /target/var/cache/apt/archives/snapd_2.23.1_amd64.deb (--unpack): trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 ErrorMessage: trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 LiveMediaBuild: Ubuntu-GNOME 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215) RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.19 SourcePackage: snapd Title: package snapd 2.23.1 failed to install/upgrade: trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 UpgradeStatus: No upgrade log present (probably fresh install)
** Description changed: - When the ubuntu installer runs it has an option to download updates - during the install. When this happens snapd/snap-confine 2.22.6 are - installed on /target. The upgrade brings in snapd/snap-confine 2.23.1 - which has a conffile in /etc/apparmor.d/usr.lib.snapd.snap-confine. The - snapd packages declares a breaks/replaces: snapd-confine (<< 2.23) which - works correctly on regular upgrades. However it does fail on upgrades - with the "--root=/target" that is used by ubiquity. + When the ubuntu installer runs it has an option to download updates during the install. When this happens snapd/snap-confine 2.22.6 are installed on /target. The upgrade brings in snapd/snap-confine 2.23.1 which has a conffile in /etc/apparmor.d/usr.lib.snapd.snap-confine. The snapd packages declares a breaks/replaces: snapd-confine (<< 2.23) which works correctly on regular upgrades. However it does fail on upgrades with the "--root=/target" that is used by ubiquity. After a bit of debugging it turns out the reason is that + src/archives.c:tarobject() has a check for obsolete conffiles in the block + around "Is the file an obsolete conffile ...". There is a stat() here that + checks that the conff->name and the fnamevb are the same file. This check + fails to take the instdir into account and therefore the loop does not + continue but falls through to the "does_replace()" checks. + -------------------------------------------- Snap 2.23.1 fails to upgrade from 2.21. Known facts: - reporters (and apport) indicate it fails during the install via the live-cd - not reproducible so far on an already installed system - breaks/replaces of snapd are correct - When adding "xenial-proposed" to apt-setup in ubiquity and installing Cause: - when ubiquity runs it uses "dpkg --root=/target --unpack ..." - however when doing the conffile checking dpkg does not handle the "--root" parameter correctly and checks something against "/" instead of "/target". --------------------------------------------- I really don't know what else to add... ProblemType: Package DistroRelease: Ubuntu 16.04 Package: snapd 2.23.1 ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11 Uname: Linux 4.8.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CasperVersion: 1.376.2 Date: Wed Mar 15 16:03:33 2017 DuplicateSignature: package:snapd:2.23.1 Unpacking snapd (2.23.1) over (2.21) ... dpkg: error processing archive /target/var/cache/apt/archives/snapd_2.23.1_amd64.deb (--unpack): trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 ErrorMessage: trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 LiveMediaBuild: Ubuntu-GNOME 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215) RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.19 SourcePackage: snapd Title: package snapd 2.23.1 failed to install/upgrade: trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1673247 Title: package snapd 2.23.1 failed to install/upgrade: trying to overwrite '/etc/apparmor.d/usr.lib.snapd.snap-confine', which is also in package snap-confine 2.23.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1673247/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
