livecd installer crashes in Ubuntu Dapper (6.06) Flight 7

[Blujuice]

Everytime I try to install Ubuntu Dapper Flight 7 using the livecd installer, it crashes about 2 seconds after the confirmation dialog (when reformatting the two empty partitions, the installer crashes about 2 seconds after it finishes formatting) and shows me an error report (see below). I'm installing it on to empty (but already formatted) partitions (root: 7,25 GB/ext3; swap: 1GB/swap) and the error occurs no matter if I choose "Reformat Partition" or if I don't reformat the partitions.

This bug is very similiar to bug #45708 and gives exactly the same error report, but unlike #45708, the installer neither screws up my MBR nor deletes any partitions. (That's why I don't think this bug is a duplicate of #45708, though it gives exactly the same error report.)

Before flight 7, I tried beta 1&2, and with both of them, a very similar error occured, with the only difference that the installer crashed without even giving an error report. This bug was reported as bug #39734 and bug #40819 and according to the ubuntu-annouce mailing list ( https://lists.ubuntu.com/archives/ubuntu-announce/2006-May/000080.html ), it was fixed with flight 7, but on my computer, the only thing that's fixed in flight 7 is that the installer now shows an error report instead of crashing "silently".

I'm using an Intel Pentium 4 ("Northwood", 3,0 Ghz, FSB800, Hyper Threading), Intel 875P Chipset, ATI Radeon 9800 Pro and the Dapper Flight 7 x86 32bit livecd and this is the error report the installer shows (as mentioned above, it's exactly the same error report as in #45708):

----------

We're sorry; the installer crashed. Please file a bug report at https://launchpad.net/distros/ubuntu/+source/ubiquity/+filebug and a developer will attend to the problem as soon as possible. To help the developers understand what went wrong, include the following detail in your bug report:

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py", line 1084, in watch_debconf_fd_helper
    return callback(source, debconf_condition)
  File "/usr/lib/python2.4/site-packages/ubiquity/filteredcommand.py", line 143, in process_input
    if not self.process_line():
  File "/usr/lib/python2.4/site-packages/ubiquity/filteredcommand.py", line 81, in process_line
    return self.dbfilter.process_line()
  File "/usr/lib/python2.4/site-packages/ubiquity/debconffilter.py", line 219, in process_line
    if not input_widgets[0].run(priority, question):
  File "/usr/lib/python2.4/site-packages/ubiquity/components/partman_commit.py", line 123, in run
    ('ubiquity/text/go_back', 'ubiquity/text/continue'))
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py", line 1463, in question_dialog
    dialog = gtk.Dialog(title, transient, gtk.DIALOG_MODAL, tuple(buttons))
RuntimeError: first member of each text/response id pair must be a string

[Blujuice (blujuice)]

As bug #45708 gives exactly the same error report as this bug, I think it's OK to mark both bugs as "Confirmed".

[Colin Watson (cjwatson)]

Thanks for your report. This is also bug 43012, and is fixed in current daily builds.