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nvidia: OpenCL broken on 11.10, CUDA works

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linux-howto

http://askubuntu.com – I have two GPUs, one is AMD (fglrx-updates) and one nVidia (nvidia-current), drivers from x-swat PPA. The AMD card is used byt xorg (without problems). Both devices show up in lspci|grep VGA: 01:00.0 VGA compatible controller: ATI Technologies Inc Device 6718 02:00.0 VGA compatible controller: nVidia Corporation Device 1200 (rev a1) The nvidia kernel module is loaded (dmesg|grep nvidia): [ 16.033488] nvidia 0000:02:00.0: enabling device (0000 -> 0003) [ 16.033501] nvidia 0000:02:00.0: PCI INT A -> GSI 40 (level, low) -> IRQ 40 [ 16.033507] nvidia 0000:02:00.0: setting latenc (HowTos)