[Ubuntu Wiki] Update of "DebuggingWithApportRetrace" by hggdh2

[Ubuntu Wiki]

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The following page has been changed by hggdh2:
http://wiki.ubuntu.com/DebuggingWithApportRetrace?action=diff&rev1=12&rev2=13

The comment on the change is:
do not run GDB as root!

------------------------------------------------------------------------------
  == Using apport-retrace ==
  Now, for any package to be installed, you must be running as root (or under a ''fakeroot'' environment, not discussed here). So we run:
  {{{
- cerdea at xango2:~$ sudo apport-retrace -g /var/crash/_usr_bin_gcalctool.1000.crash 
+ cerdea at xango2:~$ sudo apport-retrace -o trash /var/crash/_usr_bin_gcalctool.1000.crash 
  WARNING: package libsepol1-dbgsym not available
  }}}
+ 
+ /!\ we could also run 'sudo apport-retrace -g /var/crash/_usr_bin_gcalctool.1000.crash', but it is not a very good idea to run GDB under root -- unless really needed.
+ 
  (...) those are the debug symbols packages that would be needed, but could not be found. Hopefully, they will not matter. Keeping on.
  {{{
  WARNING: package perl-base-dbgsym not available
@@ -59, +62 @@

  Unpacking busybox-initramfs-dbgsym (from .../busybox-initramfs-dbgsym_1%3a1.13.3-1ubuntu9_amd64.ddeb) ...
  }}}
  (...) humongous list of symbols packages cut off for sanity
+ 
+ Now we can run, under our common userId, a GDB session on the crash:
  {{{
+ apport-retrace -g /var/crash/_usr_bin_gcalctool.1000.crash
+ 
  Setting up libvorbisfile3-dbgsym (1.2.3-3ubuntu1) ...
  GNU gdb (GDB) 7.1-ubuntu
  Copyright (C) 2010 Free Software Foundation, Inc.