[Bug 93301] ns2_linux32: radeon VM fault on Hawaii (+mmap errors)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93301

--- Comment #12 from Nicolai Hähnle <nhaehnle at gmail.com> ---
Thank you for the followup.

Concerning your last backtrace: The crash is in a different thread than the one
you mentioned, but the symbols in the backtrace suggest that it happens while
updating a buffer, so the crash is likely a consequence of the failed mmap and
the game not checking whether the map succeeded.

I'm noticing a lot of other error messages in stdout, though, such as the
"Failed to launch child process" and something about allocation failures that
is unrelated to Mesa. Perhaps the game's virtual address space is simply
getting full? It does call itself a 32 bit program.

I'm a bit surprised in hindsight that nodcc had an effect. Now that I think
about it, Hawaii doesn't actually have DCC, does it?

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