I ran update manager and it hanged on setting up grub-pc (1.98+20100804-10)
Relevant pstree output: ├─update-manager,25821 /usr/bin/update-manager │ └─gksu,25825 -k -D /usr/share/applications/update-manager.desktop --... │ └─su,25830 root -p -c ... │ └─gksu-run-helper,25839 /usr/bin/update-manager │ └─sh,25843 -c /usr/bin/update-manager │ └─update-manager,25844 /usr/bin/update-manager │ ├─update-manager,25863 /usr/bin/update-manager │ │ └─dpkg,26727 --status-fd 34 --configure ... │ │ └─frontend,26773 -w ... │ │ └─grub-pc.postins,26789 ... │ │ └─grub-pc.postins,26865 ... │ │ ├─grep,26867 -v ^(fd[0-9]\\+) │ │ └─grub-mkdevicema,26866 -m - │ ├─{update-manager},25860 │ └─{update-manager},25864 System: 64bit Debian testing, multiple kernels and windows 7 installed. -- "Life is too serious to be taken seriously" "Elämä on liian vakavaa otettavaksi vakavasti"