Comment 3 for bug 375896

I had installed it (librarian0-dbgsym). However, I installed rarian-compat-dbgsym and others more:

$ dpkg -l *-dbgsym | grep ii
ii libc6-dbgsym 2.9-9ubuntu1 debug symbols for package libc6
ii libglib2.0-0-dbgsym 2.21.0-0ubuntu1 debug symbols for package libglib2.0-0
ii libgtk2.0-0-dbgsym 2.16.1-0ubuntu3 debug symbols for package libgtk2.0-0
ii libicu40-dbgsym 4.0.1-2 debug symbols for package libicu40
ii libpth20-dbgsym 2.0.7-12 debug symbols for package libpth20
ii librarian0-dbgsym 0.8.1-2ubuntu1 debug symbols for package librarian0
ii libstartup-notification0-dbgsym 0.10-1 debug symbols for package libstartup-notific
ii libx11-6-dbgsym 2:1.1.99.2-1ubuntu2 debug symbols for package libx11-6
ii libx11-xcb1-dbgsym 2:1.1.99.2-1ubuntu2 debug symbols for package libx11-xcb1
ii libxcb1-dbgsym 1.2-1ubuntu1 debug symbols for package libxcb1
ii rarian-compat-dbgsym 0.8.1-2ubuntu1 debug symbols for package rarian-compat
ii xulrunner-1.9-dbgsym 1.9.0.10+nobinonly-0ubuntu1.respin1 debug symbols for package xulrunner-1.9
ii xulrunner-1.9-gnome-support-dbgsym 1.9.0.10+nobinonly-0ubuntu1.respin1 debug symbols for package xulrunner-1.9-gnom
ii yelp-dbgsym 2.25.1-0ubuntu5 debug symbols for package yelp

$ update-alternatives --config xulrunner

Hay 3 alternativas que proveen `xulrunner'.

  Selección Alternativa
-----------------------------------------------
 + 1 /usr/bin/xulrunner-1.9.2
* 2 /usr/bin/xulrunner-1.9
          3 /usr/bin/xulrunner-1.9.1