/var/log/syslog e /var/log/partman:

[Cleimar Antonio Nardello]

Binary package hint: ubiquity

Traceback (most recent call last):
  File "/usr/lib/ubiquity/bin/ubiquity", line 229, in <module>
    main()
  File "/usr/lib/ubiquity/bin/ubiquity", line 224, in main
    install(args[0])
  File "/usr/lib/ubiquity/bin/ubiquity", line 68, in install
    ret = wizard.run()
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 428, in run
    self.progress_loop()
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 797, in progress_loop
    (ret, realtb))
RuntimeError: Install failed with exit code 1
Traceback (most recent call last):
  File "/usr/share/ubiquity/install.py", line 1913, in <module>
    install.run()
  File "/usr/share/ubiquity/install.py", line 419, in run
    self.configure_bootloader()
  File "/usr/share/ubiquity/install.py", line 1422, in configure_bootloader
    "GrubInstaller failed with code %d" % ret)
InstallStepError: GrubInstaller failed with code 1

[Monkey (monkey-libre)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately we can't start working on it yet, because your description didn't include enough information.

Please include the information requested at https://wiki.ubuntu.com/DebuggingUbiquity/AttachingLogs as separate attachments by visiting your bug's web page. Thanks in advance.

[Monkey (monkey-libre)]

We are closing this bug report because it lacks the information we need to investigate the problem, as described in the previous comment. Please reopen it if you can give us the missing information, and don't hesitate to submit bug reports in the future. To reopen the bug report you can click on the current status, under the Status column, and change the Status back to "New". Thanks again!