[Nouveau] [Bug 99799] New: Civilization VI makes nouveau crash on register allocation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99799

            Bug ID: 99799
           Summary: Civilization VI makes nouveau crash on register
                    allocation
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: gediminas at varciai.lt
        QA Contact: nouveau at lists.freedesktop.org

Civilization IV consistently segfaults on register allocation when loading a
scenario, regardless if it's actual game or the benchmark mode.
I am attaching an apitrace [1] leading to the aforementioned segfault.
Also attaching a stacktrace, line listing of the crashing point and register
dump [2] obtained by running the game through gdb.

I should also mention that the game sometimes randomly crashes in a peculiar
way before even reaching the main menu. This report is not for that bug, which
is not yet properly reported. I am mentioning this because replaying the trace
does sometimes trigger that bug, too. Therefore, be advised that unless the
trace goes past the main menu, You ought to replay again to reach the point of
this bug.

[1] https://seriouss.am/etc/civ6-nouveau.trace.xz (apitrace file; xz'ed;
653MiB; 1050MiB uncompressed)
[2] https://seriouss.am/etc/civ6-gdb (plaintext; 5.6KiB)

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