I've upgraded from Quantal to Raring on release day and have encountered this issue on 3 occasions since then (booted at least once a day, so it fails ~15% of the time). Rebooting after the error message is shown works fine for me. It never happened on Quantal or earlier.
My desktop PC is self-assembled as well, but my GPU is made by AMD, and I have fglrx installed.
I've upgraded from Quantal to Raring on release day and have encountered this issue on 3 occasions since then (booted at least once a day, so it fails ~15% of the time). Rebooting after the error message is shown works fine for me. It never happened on Quantal or earlier.
My desktop PC is self-assembled as well, but my GPU is made by AMD, and I have fglrx installed.
See attachment for ls{cpu,hw,pci} output.