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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - After waking up from sleep nouveau fails with errors"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88515#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - After waking up from sleep nouveau fails with errors"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88515">bug 88515</a>
              from <span class="vcard"><a class="email" href="mailto:mirojano.sikgeo@gmail.com" title="MiroJanosik <mirojano.sikgeo@gmail.com>"> <span class="fn">MiroJanosik</span></a>
</span></b>
        <pre>Okay, it seems to fix the problem! I have followed few steps described here to
update the kernel:
<a href="http://askubuntu.com/questions/119080/how-to-update-kernel-to-the-latest-mainline-version-without-any-distro-upgrade">http://askubuntu.com/questions/119080/how-to-update-kernel-to-the-latest-mainline-version-without-any-distro-upgrade</a>

So I did:
wget
<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/linux-headers-3.19.0-031900rc3-generic_3.19.0-031900rc3.201501060135_i386.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/linux-headers-3.19.0-031900rc3-generic_3.19.0-031900rc3.201501060135_i386.deb</a>
wget
<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/linux-headers-3.19.0-031900rc3_3.19.0-031900rc3.201501060135_all.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/linux-headers-3.19.0-031900rc3_3.19.0-031900rc3.201501060135_all.deb</a>
wget
<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/linux-image-3.19.0-031900rc3-generic_3.19.0-031900rc3.201501060135_i386.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/linux-image-3.19.0-031900rc3-generic_3.19.0-031900rc3.201501060135_i386.deb</a>
sudo dpkg -i linux-*.deb
sudo update-grub

I made system sleep few times and OpenGl applications work afterwards (even as
complex as HalfLife 2).

I have a question now - will this fix get into Ubuntu 14.04 LTS? Bugfixes
should get into LTS, while it is supported, right?</pre>
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