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Patched branches of Mesa used in SteamOS
The software may implement third party technologies (e.g. third party libraries) that are not licensed to you by AMD and for which you may need to obtain licenses from other parties. Unless explicitly stated otherwise, these third party technologies are not licensed hereunder. Such third party technologies include, but are not limited, to H.264, MPEG-2, MPEG-4, AVC, and VC-1. For MPEG-2 Encoding Products ANY USE OF THIS PRODUCT IN ANY MANNER OTHER THAN PERSONAL USE THAT COMPLIES WITH THE MPEG-2 STANDARD FOR ENCODING VIDEO INFORMATION FOR PACKAGED MEDIA IS EXPRESSLY PROHIBITED WITHOUT A LICENSE UNDER APPLICABLE PATENTS IN THE MPEG-2 PATENT PORTFOLIO, WHICH LICENSES IS AVAILABLE FROM MPEG LA, LLC, 6312 S. Fiddlers Green Circle, Suite 400E, Greenwood Village, Colorado 80111 U.S.A.
Team Fortress is crashing on linux-grsec. In the past, the only flag I had enabled for hl2_linux was "m" (disabled mprotect), but now I have to do "em" otherwise TF2 will crash the entire system.
[amarildo@amarildo ~]$ journalctl | grep /usr/lib32/mesa/libGL.so.1.2.0
Mar 25 14:36:30 amarildo kernel: grsec: denied RWX mmap of /usr/lib32/mesa/libGL.so.1.2.0 by /home/amarildo/.local/share/Steam/steamapps/common/Team Fortress 2/hl2_linux[hl2_linux:1902] uid/euid:1000/1000 gid/egid:100/100, parent /home/amarildo/.local/share/Steam/steamapps/common/Team Fortress 2/hl2.sh[hl2.sh:1899] uid/euid:1000/1000 gid/egid:100/100
Please fix this.
I notice a workaround for llvm.12833:
https://github.com/ValveSoftware/steamos_mesa/blob/4d8013e2b0914bfb0472778ebf15e27faa0d39fb/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
/*
* Workaround http://llvm.org/bugs/show_bug.cgi?id=12833
*/
StringRef MArch = "";
StringRef MCPU = "";
Triple TT(unwrap(M)->getTargetTriple());
JIT = builder.create(builder.selectTarget(TT, MArch, MCPU, MAttrs));
This compiler bug is already fixed: https://bugs.llvm.org/show_bug.cgi?id=12833
Shall this workaround be removed?
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