On Fri, May 18, 2012 at 2:11 AM, Hinnerk van Bruinehsen
> For me X works fine with UDEREF enabled. I'm using xorg-server-1.12.1
> and xf86-video-intel-2.19.0. (2 laptops, 1 core2 duo, 1 first
> generation i5, if that has got something to do with it)
That's because (as I just found by testing) PAX_KERNEXEC "mitigates"
the oops. To put it in something of a boolean form, the following
produces the crashes:
PAX_MEMORY_UDEREF && !(PAX_MEMORY_UDEREF && PAX_KERNEXEC)