[Bug 1180880] Re: Crash when starting oem-config on Ubuntu Server 12.04 amd64.

[Tobin Davis]

I can confirm that this fixes Precise.  I have tested it on both an
amd64 VM (kvm) and raw hardware.

Thanks Colin.

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Title:
  Crash when starting oem-config on Ubuntu Server 12.04 amd64.

Status in “ubiquity” package in Ubuntu:
  Fix Released
Status in “ubiquity” source package in Precise:
  In Progress
Status in “ubiquity” source package in Saucy:
  Fix Released

Bug description:
  [Impact] Breaks OEM-mode server installations on at least some non-i386 architectures.
  [Test Case] Install an amd64 server image in OEM mode (F4 at the boot menu).  After installation, make sure that ubiquity* and oem-config* are up to date from -proposed, run oem-config-prepare, and reboot.  oem-config should appear on the console after reboot.
  [Regression Potential] Given the size of the change, I think the only plausible source of regression is the sort that should affect any rebuild of ubiquity.  Nothing much other than this uses the debconf frontend.

  Original report follows:

  After installing Ubuntu Server 12.04 (and 12.04.2) AMD64 edition, then
  running oem-config-prepare after post-install updates and rebooting,
  the system hangs during reboot.  Adding debug-oem-config doesn't
  produce any new information.  Recovery only possible by booting in
  rescue mode from the installation cd (or bootable USB) then removing
  /var/lib/oem-config/run and rebooting.

  apport-retrace reports the following from the crash report:

  root at atp-spare1:/home/lab/bogl-0.1.18# apport-retrace -g /var/crash/_usr_bin_bterm.0.crash
  GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04
  Copyright (C) 2012 Free Software Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
  and "show warranty" for details.
  This GDB was configured as "x86_64-linux-gnu".
  For bug reporting instructions, please see:
  <http://bugs.launchpad.net/gdb-linaro/>.
  Reading symbols from /usr/bin/bterm...Reading symbols from /usr/lib/debug/usr/bin/bterm...done.
  done.
  [New LWP 1489]
  warning: Can't read pathname for load map: Input/output error.
  Core was generated by `bterm -f /usr/share/ubiquity/unifont.bgf -- /usr/sbin/oem-config --only'.
  Program terminated with signal 7, Bus error.
  #0  0x0000000000404349 in bogl_font_glyph (font=0x1e10f20, wc=32 L' ', bitmap=0x0) at bogl.c:351
  351	      for (i = font->offset[wc & mask]; font->index[i]; i += 2)
  (gdb) bt
  #0  0x0000000000404349 in bogl_font_glyph (font=0x1e10f20, wc=32 L' ', bitmap=0x0) at bogl.c:351
  #1  0x0000000000402891 in bogl_term_new (font=0x1e10f20) at bogl-term.c:41
  #2  0x0000000000401c9c in main (argc=6, argv=0x7fff536402e8) at bterm.c:312

  The attached crash does NOT have private data, so no need to keep this
  bug private.

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