install ubuntu on disk met a install crash ,it said grub failure

[xiaof]

Binary package hint: ubiquity

ubiquity:['/usr/share/ubiquity/install.py'] exited with code 1
exception in GTK frontend(invoking crash handler):
traceback (most recent call last):
File "/usr/bin/ubiquity",line 130, in ?
   install(sys.argv[1])
File "/usr/bin/ubiquity",line 55, in install
   ret = wizard.run()
File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py",line 266, in run
   self.process_step()
File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py",line 755, in process_step
   self.mountpoints_to_summary()
File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py",line 1114, in mountpoints_to_summary
   self.progress_loop()
File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py",line 533, in progress_loop
   raise RuntimeError, ("Install failed with exit code %s; see "
RuntimeError, Install failed with exit code 1; see /var/log/installer/syslog and /var/log/syslog
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0
xscreensaver-command: no screensaver is running on display :0.0

[Colin Watson (cjwatson)]

Sorry for the late reply. If you can still reproduce this, could you please attach /var/log/installer/syslog, /var/log/syslog, and /var/log/partman to this bug, following the directions in http://wiki.ubuntu.com/DebuggingUbiquity/AttachingLogs? Thanks in advance.

[Jonathan Thomas (echidnaman)]

We are closing this bug report because it lacks the information we need to investigate the problem, as described in the previous comments. 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!