This log, taken from a manual dist-upgrade in a precise schroot with postgresql-server-dev-9.1 installed, has some more info:
Investigating (0) libkdb5-7 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) Broken libkdb5-7:amd64 Breaks on libkadm5srv-mit8 [ amd64 ] < 1.10+dfsg~beta1-2ubuntu0.3 > ( libs ) (< 1.11+dfsg~) Considering libkadm5srv-mit8:amd64 1 as a solution to libkdb5-7:amd64 0 Holding Back libkdb5-7:amd64 rather than change libkadm5srv-mit8:amd64 Investigating (1) libkadm5srv-mit9 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) Broken libkadm5srv-mit9:amd64 Depends on libkdb5-7 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) Considering libkdb5-7:amd64 0 as a solution to libkadm5srv-mit9:amd64 2 Holding Back libkadm5srv-mit9:amd64 rather than change libkdb5-7:amd64 Investigating (2) krb5-multidev [ amd64 ] < 1.10+dfsg~beta1-2ubuntu0.3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) Broken krb5-multidev:amd64 Depends on libkadm5srv-mit9 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) (= 1.12+dfsg-2ubuntu2) Considering libkadm5srv-mit9:amd64 2 as a solution to krb5-multidev:amd64 4 Removing krb5-multidev:amd64 rather than change libkadm5srv-mit9:amd64 Investigating (2) libpq-dev [ amd64 ] < 9.1.13-0ubuntu0.12.04 -> 9.3.4-1 > ( libdevel ) Broken libpq-dev:amd64 Depends on krb5-multidev [ amd64 ] < 1.10+dfsg~beta1-2ubuntu0.3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) Considering krb5-multidev:amd64 4 as a solution to libpq-dev:amd64 2 Removing libpq-dev:amd64 rather than change krb5-multidev:amd64 Investigating (2) libkrb5-dev [ amd64 ] < 1.10+dfsg~beta1-2ubuntu0.3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) Broken libkrb5-dev:amd64 Depends on krb5-multidev [ amd64 ] < 1.10+dfsg~beta1-2ubuntu0.3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) (= 1.12+dfsg-2ubuntu2) Considering krb5-multidev:amd64 4 as a solution to libkrb5-dev:amd64 -1 Removing libkrb5-dev:amd64 rather than change krb5-multidev:amd64 Investigating (2) postgresql-server-dev-9.1 [ amd64 ] < 9.1.13-0ubuntu0.12.04 > ( libdevel ) Broken postgresql-server-dev-9.1:amd64 Depends on libpq-dev [ amd64 ] < 9.1.13-0ubuntu0.12.04 -> 9.3.4-1 > ( libdevel ) (>= 9.1~) Considering libpq-dev:amd64 4 as a solution to postgresql-server-dev-9.1:amd64 -1 Removing postgresql-server-dev-9.1:amd64 rather than change libpq-dev:amd64 Done The following packages will be REMOVED: krb5-multidev libkrb5-dev libpq-dev postgresql-server-dev-9.1
This log, taken from a manual dist-upgrade in a precise schroot with postgresql- server- dev-9.1 installed, has some more info:
Investigating (0) libkdb5-7 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) beta1-2ubuntu0. 3 > ( libs ) (< 1.11+dfsg~) mit8:amd64 1 as a solution to libkdb5-7:amd64 0 mit8:amd64 mit9:amd64 Depends on libkdb5-7 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) mit9:amd64 2 mit9:amd64 rather than change libkdb5-7:amd64 beta1-2ubuntu0. 3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) mit9:amd64 2 as a solution to krb5-multidev:amd64 4 mit9:amd64 0ubuntu0. 12.04 -> 9.3.4-1 > ( libdevel ) beta1-2ubuntu0. 3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) beta1-2ubuntu0. 3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) beta1-2ubuntu0. 3 -> 1.12+dfsg-2ubuntu2 > ( libdevel ) (= 1.12+dfsg-2ubuntu2) server- dev-9.1 [ amd64 ] < 9.1.13- 0ubuntu0. 12.04 > ( libdevel ) server- dev-9.1: amd64 Depends on libpq-dev [ amd64 ] < 9.1.13- 0ubuntu0. 12.04 -> 9.3.4-1 > ( libdevel ) (>= 9.1~) server- dev-9.1: amd64 -1 server- dev-9.1: amd64 rather than change libpq-dev:amd64 server- dev-9.1
Broken libkdb5-7:amd64 Breaks on libkadm5srv-mit8 [ amd64 ] < 1.10+dfsg~
Considering libkadm5srv-
Holding Back libkdb5-7:amd64 rather than change libkadm5srv-
Investigating (1) libkadm5srv-mit9 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs )
Broken libkadm5srv-
Considering libkdb5-7:amd64 0 as a solution to libkadm5srv-
Holding Back libkadm5srv-
Investigating (2) krb5-multidev [ amd64 ] < 1.10+dfsg~
Broken krb5-multidev:amd64 Depends on libkadm5srv-mit9 [ amd64 ] < none -> 1.12+dfsg-2ubuntu2 > ( libs ) (= 1.12+dfsg-2ubuntu2)
Considering libkadm5srv-
Removing krb5-multidev:amd64 rather than change libkadm5srv-
Investigating (2) libpq-dev [ amd64 ] < 9.1.13-
Broken libpq-dev:amd64 Depends on krb5-multidev [ amd64 ] < 1.10+dfsg~
Considering krb5-multidev:amd64 4 as a solution to libpq-dev:amd64 2
Removing libpq-dev:amd64 rather than change krb5-multidev:amd64
Investigating (2) libkrb5-dev [ amd64 ] < 1.10+dfsg~
Broken libkrb5-dev:amd64 Depends on krb5-multidev [ amd64 ] < 1.10+dfsg~
Considering krb5-multidev:amd64 4 as a solution to libkrb5-dev:amd64 -1
Removing libkrb5-dev:amd64 rather than change krb5-multidev:amd64
Investigating (2) postgresql-
Broken postgresql-
Considering libpq-dev:amd64 4 as a solution to postgresql-
Removing postgresql-
Done
The following packages will be REMOVED:
krb5-multidev libkrb5-dev libpq-dev postgresql-