As you may be currently aware alsa-lib (libasound) does not work very well when using it under a kernel that has the Pax (http://pax.grsecurity.net) or Grsecurity (http://www.grsecurity.net) Patch.

The problem is because there is a function in a function (trampoline) - So gcc generates code that conflicts with pax.  Also there is a text-relocation problem.

So I helped create patch that will fix these problems so alsa will be more usable on a Pax/Grsecurity machine (no chpax work arounds and more security).  Currently this patch is included in alsa-lib-1.0.1 in Gentoo so it is undergoing large scale testing.  For my part I have 2 machines running with Pax and this alsa-lib patch and I have had no problems :)

The code is a work around so if you know of a better way to do it please tell me.





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