Problems with MGA when DRI enabled?

[Dave Airlie]

> Is anyone having problems with the MGA driver on x86 (pure 32-bit) when
> DRI is enabled?  Since yesterday I've been hitting a really, *really*
> weird segfault in, of all places, xf86GetErrno.  GDB tells me that the
> address of errno is out of bounds.  To make things even stranger,
> xf86GetErrno executes without error numerous times before the crash.
> 
If I had to guess without looking at anything, I'd guess threads,
someone is built for threaded errno and someone isn't...

Dave.