Comment 31 for bug 1024768

This bug may be "fixed" in quantal, but it is most definitely /not/ fix released in 12.04, the LTS release.

I use 12.04 on an intel IVB laptop at work and have been patiently waiting for a fix for 12.04 to be released for 6 months now. My laptop works fine for a week or so, and then randomly the unity icons disappear and I need to reboot to get them back. According to comment #28 , I can downgrade mesa to 8.0.2 from main (instead of updates) and it will work again, but then I'm not getting mesa updates (which assumedly helps for intel IVB graphics, especially with docking/undocking stability, iirc).

The current mesa version installed on 12.04 (from updates) is below, and exhibits this behavior:

$ dpkg-query -l | grep libgl1-mesa-dri
ii libgl1-mesa-dri 8.0.4-0ubuntu0.2 free implementation of the OpenGL API -- DRI modules
ii libgl1-mesa-dri:i386 8.0.4-0ubuntu0.2 free implementation of the OpenGL API -- DRI modules

$ apt-cache showpkg libgl1-mesa-dri
Package: libgl1-mesa-dri
Versions:
8.0.4-0ubuntu0.3 (/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise-updates_main_binary-amd64_Packages)
 Description Language:
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_binary-amd64_Packages
                  MD5: 138eae85587ae78f60d36bcba9033eb1
 Description Language: en
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_i18n_Translation-en
                  MD5: 138eae85587ae78f60d36bcba9033eb1

8.0.4-0ubuntu0.2 (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_precise-security_main_binary-amd64_Packages) (/var/lib/dpkg/status)
 Description Language:
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_binary-amd64_Packages
                  MD5: 138eae85587ae78f60d36bcba9033eb1
 Description Language: en
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_i18n_Translation-en
                  MD5: 138eae85587ae78f60d36bcba9033eb1

8.0.2-0ubuntu3 (/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_binary-amd64_Packages)
 Description Language:
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_binary-amd64_Packages
                  MD5: 138eae85587ae78f60d36bcba9033eb1
 Description Language: en
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_main_i18n_Translation-en
                  MD5: 138eae85587ae78f60d36bcba9033eb1

Is there a way to mark this package as fixed for quantal but not for precise? Or is the official answer for LTS support is to upgrade to 12.10, which isn't LTS?, or run another desktop shell?. This is a rather big black eye for ubuntu when I try to convince others to use it..

Or am I completely missing something, which is always a possibility...