Beware, it seems Mozilla Firefox blocks requests to upload files from /proc. If attaching the file fails, copy it over to your home directory and select it from there.
** Tags added: lucid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/658924 Title: Synaptic hangs several minutes (de)selecting or listing packages -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs