I found the update manager history for the offending update: Commit Log for Sat Jul 31 21:57:38 2010
Upgraded the following packages: apt (0.7.25.3ubuntu9) to 0.7.25.3ubuntu9.1 apt-transport-https (0.7.25.3ubuntu9) to 0.7.25.3ubuntu9.1 apt-utils (0.7.25.3ubuntu9) to 0.7.25.3ubuntu9.1 base-files (5.0.0ubuntu20) to 5.0.0ubuntu20.10.04.1 firefox (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-3.0 (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-3.0-gnome-support (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-3.5 (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-3.5-branding (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-branding (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-gnome-support (3.6.6+nobinonly-0ubuntu0.10.04.1) to 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 gdm (2.30.2.is.2.30.0-0ubuntu2) to 2.30.2.is.2.30.0-0ubuntu3 grub-common (1.98-1ubuntu6) to 1.98-1ubuntu7 icedtea-6-jre-cacao (6b18-1.8-0ubuntu1) to 6b18-1.8-4ubuntu3 icedtea6-plugin (6b18-1.8-0ubuntu1) to 6b18-1.8-4ubuntu3 libgssapi-krb5-2 (1.8.1+dfsg-2ubuntu0.1) to 1.8.1+dfsg-2ubuntu0.2 libk5crypto3 (1.8.1+dfsg-2ubuntu0.1) to 1.8.1+dfsg-2ubuntu0.2 libkrb5-3 (1.8.1+dfsg-2ubuntu0.1) to 1.8.1+dfsg-2ubuntu0.2 libkrb5support0 (1.8.1+dfsg-2ubuntu0.1) to 1.8.1+dfsg-2ubuntu0.2 linux-generic (2.6.32.23.24) to 2.6.32.24.25 linux-headers-generic (2.6.32.23.24) to 2.6.32.24.25 linux-image-generic (2.6.32.23.24) to 2.6.32.24.25 linux-libc-dev (2.6.32-23.37) to 2.6.32-24.38 openjdk-6-jre (6b18-1.8-0ubuntu1) to 6b18-1.8-4ubuntu3 openjdk-6-jre-headless (6b18-1.8-0ubuntu1) to 6b18-1.8-4ubuntu3 openjdk-6-jre-lib (6b18-1.8-0ubuntu1) to 6b18-1.8-4ubuntu3 python-ubuntuone-client (1.2.1-0ubuntu3) to 1.2.2-0ubuntu2 software-center (2.0.5) to 2.0.7 sreadahead (1:0.100.0-4.1) to 1:0.100.0-4.1.2 thunderbird (3.0.5+build2+nobinonly-0ubuntu0.10.04.1) to 3.0.6+build2+nobinonly-0ubuntu0.10.04.1 ubuntuone-client (1.2.1-0ubuntu3) to 1.2.2-0ubuntu2 ubuntuone-client-gnome (1.2.1-0ubuntu3) to 1.2.2-0ubuntu2 ureadahead (0.100.0-4.1) to 0.100.0-4.1.2 xulrunner-1.9.2 (1.9.2.6+nobinonly-0ubuntu0.10.04.1) to 1.9.2.8+build1+nobinonly-0ubuntu0.10.04.1 Installed the following packages: linux-headers-2.6.32-24 (2.6.32-24.38) linux-headers-2.6.32-24-generic (2.6.32-24.38) linux-image-2.6.32-24-generic (2.6.32-24.38) -- Switching users freezes workstation temporarily https://bugs.launchpad.net/bugs/612829 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs