[Bug 97225] [i965 on HD4600 Haswell] xcom switch to ingame cinematics cause segmentation fault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97225

--- Comment #1 from Matt Turner <mattst88 at gmail.com> ---
(In reply to _archuser_ from comment #0)
> Specific parts of xcom: enemy unknown cause a segfault in i965_dri.so
> (64bit), last known mesa version to work without segfault was 11.2.2-1 (arch
> package from Feb 11, if i965_dri.so loaded via LIBGL_DRIVERS_PATH, it still
> works).
> Xcom seems to to some specific things when switching to ingame cinematics
> (e.g. after first mission transition, some stuff near endgame etc.) and only
> crashes on these parts , rest of the game seems to work fine.
>
> apitrace / glretrace produce traces that always crash semi-randomly during
> replay and are unusable for me atm.

If the trace was used to get the backtrace, I suspect it'll be useful to me.
Could you post it somewhere?

> Trace shows recursive calls to nir_phi_builder_value_get_block_def ? ->
> stack overflow causing SEGSEGV ?

That looks plausible.

> Not a C programmer here, took some time to set this up to work at all.

I'm very appreciative!

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