[Bug 37218] Re: drm crash, possibly because of savage video-driver

[Tormod Volden]

Option "DmaType" "PCI" also helps, I could run glxgears and many GL
screensavers. But I sometimes had small garbage squares in the top left
corner, maybe like those mentioned in the upstream bug, and eventually
it crashed (full freeze).

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drm crash, possibly because of savage video-driver
https://launchpad.net/bugs/37218