I was also able to reproduce the problem. The package provided by Michael seems to correct the situation.
ERROR: [EMAIL PROTECTED]:~$ gksu --debug synaptic No ask_pass set, using default! xauth: /tmp/libgksu-R1bYrA/.Xauthority STARTUP_ID: gksu/synaptic/14331-0-zeus_TIME15257747 cmd[0]: /usr/bin/sudo cmd[1]: -H cmd[2]: -S cmd[3]: -p cmd[4]: GNOME_SUDO_PASS cmd[5]: -u cmd[6]: root cmd[7]: -- cmd[8]: synaptic buffer: -sudo: unable to resolve host zeus- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -_PASSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- brute force GNOME_SUDO_PASS ended... No password prompt found; we'll assume we don't need a password. ... and Synaptic never appears on screen, the command does not return unless interrupted FIX PROVIDED BY MICHAEL: [EMAIL PROTECTED]:~/Desktop$ sudo dpkg -i libgksu2-0_2.0.5-1ubuntu5.1_i386.deb sudo: unable to resolve host zeus [sudo] password for carlosgo: (Reading database ... 238294 files and directories currently installed.) Preparing to replace libgksu2-0 2.0.5-1ubuntu5 (using libgksu2-0_2.0.5-1ubuntu5.1_i386.deb) ... Unpacking replacement libgksu2-0 ... Setting up libgksu2-0 (2.0.5-1ubuntu5.1) ... Processing triggers for libc6 ... ldconfig deferred processing now taking place FIXED: [EMAIL PROTECTED]:~/Desktop$ gksu --debug synaptic No ask_pass set, using default! xauth: /tmp/libgksu-AQABZk/.Xauthority STARTUP_ID: gksu/synaptic/15001-0-zeus_TIME16402815 cmd[0]: /usr/bin/sudo cmd[1]: -H cmd[2]: -S cmd[3]: -p cmd[4]: GNOME_SUDO_PASS cmd[5]: -u cmd[6]: root cmd[7]: -- cmd[8]: synaptic buffer: -sudo: unable to resolve host zeus- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- buffer: -- brute force GNOME_SUDO_PASS ended... No password prompt found; we'll assume we don't need a password. ... and Synaptic runs as intended Other relevant info: [EMAIL PROTECTED]:~/Desktop$ uname -a Linux zeus 2.6.24-17-generic #1 SMP Thu May 1 14:31:33 UTC 2008 i686 GNU/Linux [EMAIL PROTECTED]:~/Desktop$ dpkg -l libgksu2-0 Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad) ||/ Name Version Description +++-==============-==============-============================================ ii libgksu2-0 2.0.5-1ubuntu5 library providing su and sudo functionality [EMAIL PROTECTED]:~/Desktop$ Ted -- gksu doesn't always pop up a dialog https://bugs.launchpad.net/bugs/91151 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