[Mesa-dev] [Bug 99781] Some Unity games fail assertion on startup in glXCreateContextAttribsARB

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99781

Hal Gentz <zegentzy at protonmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zegentzy at protonmail.com

--- Comment #8 from Hal Gentz <zegentzy at protonmail.com> ---
Created attachment 143763
  --> https://bugs.freedesktop.org/attachment.cgi?id=143763&action=edit
Repo the bug

Some of the users of my project, glutin, stumbled upon this bug,
https://github.com/tomaka/glutin/issues/1034

While I don't yet have a solution, I got a small C program this (for my
computer at least) always reproduces the issue.

Run via `cc -o gl3 main.c -lGL -lX11 -lpthread -g && ./gl3`.

```
$ pacman -Q | grep -i
"mesa\|llvm\|clang\|glvnd\|vulkan\|amdgpu\|radeon\|libdrm\|amdvlk\|xorg\|x11\|xcb\|glx"
amdvlk-git r40.48d46fa-1
clang-svn 356068-1
clang-tools-extra-svn 356068-1
lib32-amdvlk-git r40.48d46fa-1
lib32-libdrm-git 6503.4735ca71-1
lib32-libglvnd 1.1.1-1
lib32-libx11 1.6.7-1
lib32-libxcb 1.13.1-1
lib32-llvm-libs-svn 356086-1
lib32-llvm-svn 356086-1
lib32-mesa-git 109188.03a0801bcb1-1
lib32-vulkan-icd-loader 1.1.101-1
lib32-vulkan-radeon-git 109188.03a0801bcb1-1
libdrm-git 6503.4735ca71-1
libdrm-git-debug 6503.4735ca71-1
libglvnd-git 1.1.0.r13.gf92208b-1
libx11 1.6.7-1
libxcb 1.13.1-1
libxkbcommon-x11 0.8.4-1
llvm-libs-svn 356068-1
llvm-ocaml-svn 356068-1
llvm-svn 356068-1
mesa-demos 8.4.0-1
mesa-git 109188.03a0801bcb1-1
mesa-git-debug 109188.03a0801bcb1-1
opencl-mesa-git 109188.03a0801bcb1-1
qt5-x11extras 5.12.2-1
vulkan-headers 1:1.1.102-2
vulkan-icd-loader 1.1.101-1
vulkan-radeon-git 109188.03a0801bcb1-1
vulkan-tools 1.1.101-1
vulkan-validation-layers 1.1.100-2
xcb-proto 1.13-2
xcb-util 0.4.0-2
xcb-util-cursor 0.1.3-2
xcb-util-image 0.4.0-2
xcb-util-keysyms 0.4.0-2
xcb-util-renderutil 0.3.9-2
xcb-util-wm 0.4.1-2
xcb-util-xrm 1.3-1
xf86-video-amdgpu-git 498.6ee8577-1
xf86-video-amdgpu-git-debug 498.6ee8577-1
xorg-bdftopcf 1.1-1
xorg-docs 1.7.1-2
xorg-font-util 1.3.1-2
xorg-font-utils 7.6-5
xorg-fonts-100dpi 1.0.3-4
xorg-fonts-75dpi 1.0.3-4
xorg-fonts-alias 1.0.3-2
xorg-fonts-encodings 1.0.4-5
xorg-iceauth 1.0.8-1
xorg-luit 1.1.1-3
xorg-mkfontscale 1.2.0-2
xorg-server 1.20.4-1
xorg-server-common 1.20.4-1
xorg-server-devel 1.20.4-1
xorg-server-xdmx 1.20.4-1
xorg-server-xephyr 1.20.4-1
xorg-server-xnest 1.20.4-1
xorg-server-xvfb 1.20.4-1
xorg-server-xwayland 1.20.4-1
xorg-sessreg 1.1.1-2
xorg-setxkbmap 1.3.1-2
xorg-smproxy 1.0.6-2
xorg-util-macros 1.19.2-1
xorg-x11perf 1.6.0-2
xorg-xauth 1.0.10-2
xorg-xbacklight 1.2.2-1
xorg-xclock 1.0.8-1
xorg-xcmsdb 1.0.5-2
xorg-xcursorgen 1.0.7-1
xorg-xdpyinfo 1.3.2-2
xorg-xdriinfo 1.0.6-1
xorg-xev 1.2.3-1
xorg-xfontsel 1.0.6-1
xorg-xgamma 1.0.6-2
xorg-xhost 1.0.8-1
xorg-xinit 1.4.1-1
xorg-xinput 1.6.2-2
xorg-xkbcomp 1.4.2-1
xorg-xkbevd 1.1.4-2
xorg-xkbutils 1.0.4-3
xorg-xkill 1.0.5-1
xorg-xlsatoms 1.1.3-1
xorg-xlsclients 1.1.4-1
xorg-xmessage 1.0.5-1
xorg-xmodmap 1.0.10-1
xorg-xpr 1.0.5-1
xorg-xprop 1.2.4-1
xorg-xrandr 1.5.0-2
xorg-xrdb 1.2.0-1
xorg-xrefresh 1.0.6-1
xorg-xset 1.2.4-1
xorg-xsetroot 1.1.2-1
xorg-xvinfo 1.1.4-1
xorg-xwd 1.0.7-1
xorg-xwininfo 1.1.4-1
xorg-xwud 1.0.5-1
xorgproto 2018.4-1
```

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