[Ubuntu-x-swat] [Bug 1041790] Re: [snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround i915.semaphores=0

I've been experiencing a recurring lockup that may or may not be this bug; what I can add to the discussion is that if it is this bug, it appears to be Linux-only. My company bought several of its developers identical laptops (Dell Latitude E6520 models). The other developers who are using these la

[Ubuntu-x-swat] [Bug 807347] Re: package fglrx 2:8.861-0ubuntu2 failed to install/upgrade: update-alternatives: error: unable to make /usr/lib/dri/fglrx_dri.so.dpkg-tmp a symlink to /etc/alternatives/

I got the same bug on my system that I upgraded from Natty to Oneiric. The cause turned out to be simple: the /usr/lib/dri directory did not exist, and so update-alternatives could not create the /usr/lib/dri/fglrx_dri.so.dpkg-tmp symlink. Simply running "sudo mkdir /usr/lib/dri" fixed this proble