[Mesa-dev] [Bug 27512] Illegal instruction _mesa_x86_64_transform_points4_general

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27512

--- Comment #7 from Roland Scheidegger <sroland at vmware.com> ---
(In reply to Michael Harder from comment #6)
> I am experiencing a crash with a SIGILL, Illegal instruction in Debian when
> using Kodi.
> 
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> Core was generated by `/usr/lib/x86_64-linux-gnu/kodi/kodi.bin --standalone'.
> Program terminated with signal SIGILL, Illegal instruction.
> #0  _mesa_x86_64_transform_points4_general () at x86-64/xform4.S:72
> 72              prefetch 16(%rdx)
> [Current thread is 1 (Thread 0x7f9054aeb9c0 (LWP 791))]
> 

Oh what cpu? As far as I can tell, intel cpus never supported "prefetch" (new
ones support prefetchw which is the same opcode with different modr/m), only
prefetcht0/t1/t2/nta so I wonder how this is supposed to work.

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