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mmap (segmentation fault) on Dell Dimension 4550

Using mmap to map PCI base address registers to user space. Redhat 9,

2.4.20-8. Works fine on generic computer with Award BIOS. Doesn't work on Dell Dimension 4550 as any access to the mapped memory location causes a segmentation fault. Dell's BIOS is rather minimal.

Any ideas?

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Scott Jacobsen
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