This look like it was disk problems, which resulted in the readlink errors while ca-certificates was installing.
[ 3157.704950] UDF-fs: Partition marked readonly; forcing readonly mount [ 3157.740902] UDF-fs: INFO Mounting volume 'GEST\xffffffc3\xffffff83\xffffff83O DE RECURSOS HUMANOS DVD', timestamp 2012/03/06 21:34 (1f4c) [ 3367.008034] show_signal_msg: 27 callbacks suppressed [ 3367.008043] xfce4-panel[2498]: segfault at 7f72e18ea730 ip 00007f72ea2f011c sp 00007fff9e404e28 error 4 in libc-2.15.so[7f72ea269000+1b3000] [ 3775.406583] UDF-fs: Partition marked readonly; forcing readonly mount [ 3775.442576] UDF-fs: INFO Mounting volume 'Log\xffffffc3\xffffffad\xffffffadstica P\xffffffc3\xffffffba\xffffffbablica V.1', timestamp 2011/11/29 16:40 (1f4c) -- Kind regards, Michael Shuler ** Changed in: ca-certificates (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997032 Title: package ca-certificates 20111211 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ca-certificates/+bug/997032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs