[Bug 106928] When starting a match Rocket League crashes on "Go"

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=106928

            Bug ID: 106928
           Summary: When starting a match Rocket League crashes on "Go"
           Product: Mesa
           Version: 18.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: terikss@wedogames.se
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 140170
  --> https://bugs.freedesktop.org/attachment.cgi?id=140170&action=edit
Core dump from gdb while running Mesa 18.1.1-3

Overview:
When starting a match in Rocket League it counts down 3, 2, 1, Go. The game
always crashes on Go.
Different game modes such as training where the countdown does not occur does
not crash the game.
I have tried different graphics settings in Rocket League ranging from lowest
to highest. Changing graphics settings makes no difference the game always
crashes in the same place.

The reason I suspect the r600 driver is the cause of the issue (or at least
part of it) is because of the back trace from gdb which starts with the
following and looks like it includes a function name prefixed with "r600".

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007f52a1f85561 in __GI_abort () at abort.c:79
#2  0x00007f528e46fecd in std::__replacement_assert (__condition=0x7f528e697818
"__builtin_expect(__n < this->size(), true)", __function=<synthetic pointer>,
__line=932, 
    __file=0x7f528e699680 "/usr/include/c++/8/bits/stl_vector.h") at
/usr/include/c++/8/x86_64-redhat-linux/bits/c++config.h:2389
#3  std::vector<r600_sb::value*, std::allocator<r600_sb::value*> >::operator[]
(__n=2, this=0x7f51a1912120) at /usr/include/c++/8/bits/stl_vector.h:932
#4  r600_sb::expr_handler::fold_alu_op3 (this=0x7f51a1717ba8, n=...) at
sb/sb_expr.cpp:952

Steps to Reproduce:
1. Start Rocket League
2. Click Play.
3. Click Play Local.
4. Click Exhibition.
5. Click Create Match.
6. Wait until the match has loaded, countdown begins and it says "Go".

Actual Results:
The game crashes.

Expected Results:
Game to not crash and playable match to begin.

Build Date & Hardware:
Graphics card: 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Juniper XT [Radeon HD 5770]

I'm running Fedora 28. The crash can be recreated with both Mesa 18.0.2-1 and
Mesa 18.1.1-3 from https://apps.fedoraproject.org/packages/mesa.


Attached is a core dump from gdb and the output from steam from when starting
Steam to after the game has crashed. The core dump and output is from when
running Mesa 18.1.1-3.

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