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SubjectRe: vm86 segfaults with NX bit
Takashi Iwai wrote:
>>>>
>>> did the code that mapped this memory setup use PROT_EXEC ?
>> A good question...
>> Luc, Egbert, how does VESA driver handle it?
>
> Just looking through the vesa directory of xorg-server code, PROT_EXEC
> is passed for all mappings, at least.
>
> Please correct me if I'm looking at a wrong place...
>

Please do an strace of the X server startup up to the point of the crash.

I am betting that PROT_EXEC is missing from an mmap(), or that it needs
an additional mprotect().

-hpa



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