Comment 4 for bug 218000

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Bryce Harrington (bryce) wrote : Re: XRandR Rotation with -intel doesn't work with a composite manager

I notice in the Xorg.0.log, this warning:

(WW) intel(0): ESR is 0x00000011, page table error
(WW) intel(0): PGTBL_ER is 0x00040000, overlay tiling
(WW) intel(0): Existing errors found in hardware state.

i965 refers to the 'architecture family' whereas X3100 is a designator for a specific chip. However I can agree the naming gets confusing. Generally I pay attention to the architecture (i965, etc.) at a high level, and for the low level look at the PCI ID (visible in lspci -vvnn).