[Bug 76299] Segfault in intelTexImage

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 28 20:33:40 PDT 2014


--- Comment #11 from Luke-Jr <luke-jr+freedesktopbugs at utopios.org> ---
Created attachment 98153
  --> https://bugs.freedesktop.org/attachment.cgi?id=98153&action=edit

After a few hours of debugging, I found the problem lies in rgba8_copy_16,
which appears to use SSSE3 for a faster 128-bit and 512-bit memcpy. For some
reason, this code segfaults on my platform (Haswell i7-4771 in x86_32 mode).
Removing the SSSE3 code "fixes" the problem, and all 3 games (Armagetron,
Quake, and Quake 4) work again.

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