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Old 08-18-06, 01:05 PM   #6
zander
NVIDIA Corporation
 
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Join Date: Aug 2002
Posts: 3,740
Default Re: Dual core AMD 3800+, SLI ASUS 7600 GT x2, X Windows lockup with smp kernel

The pci=nommconf kernel parameter disables the MMCONFIG PCI configuration space access method, which forces the kernel back to PCI type 1 configuration accesses. The MMCONFIG access method appears to be severely broken on a number of systems; on such systems, the NVIDIA Linux graphics driver can't reliably access the PCI configuration space of NVIDIA devices, which results in various stability problems, particularly if multi-core CPUs are used with multiple GPUs.
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