A ThinkPad R51 was freezing at boot after upgrading to Lucid. I used Stefan Glasenhardt's Ubuntu PPA as described here:
https://wiki.ubuntu.com/X/Bugs/Lucidi8xxFreezes#GTT%20Incoherency%20Patch
and it solved the problem.
A ThinkPad R51 was freezing at boot after upgrading to Lucid. I used Stefan Glasenhardt's Ubuntu PPA as described here:
https:/ /wiki.ubuntu. com/X/Bugs/ Lucidi8xxFreeze s#GTT%20Incoher ency%20Patch
and it solved the problem.