[Xquartz-dev] ALLOCATE_LOCAL / crashes
jeremyhu at berkeley.edu
Fri Dec 7 08:46:50 PST 2007
I saw in some post somewhere that alloca() was known to cause X to
crash on darwin for some reason. I can't remember where, but I'll try
to figure out where I saw that and why.
On Dec 6, 2007, at 21:07, Ben Byer wrote:
> So, it seems that ALLOCATE_LOCAL is responsible for at least some of
> the "rootless crashes" we're seeing -- specifically, all of the ones
> where the crash fell in any of the mi* functions.
> (My understanding is that ALLOCATE_LOCAL is more dangerous to use on
> Leopard due to virtual memory layout -- it should never be used to
> allocate more than about a kilobyte, and I just saw miFillPolyArc
> crash by trying to allocate 900k.)
> Ben Byer
> CoreOS / BSD Technology Group, XDarwin maintainer
> Xquartz-dev mailing list
> Xquartz-dev at lists.macosforge.org
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