[...]
> ioctl(5, 0xc010645b, 0x7fff3b2a97c0)    = 0
> --- SIGILL (Illegal instruction) @ 0 (0) ---
> +++ killed by SIGILL (core dumped) +++
> Illegal instruction (core dumped)
> haver@gamemaster:~$
> 
> I really wonder how the ioctl caused the illegal instruction.

This ioctl is not generated directly by mupen64plus. So please generate a 
backtrace to check what generates it. Don't forget to install the necessary -
dbg packages to get some useful information.


Usually such problems are generated by the graphics driver and not by 
mupen64plus. And I just let this test and the problem couldn't be reproduced 
easily. So propably not a bug in the dynamic recompiler. But you can try to use 
the interpreter mode to check it: mupen64plus --emumode 
n64/Mario_Kart_64/Mario\ Kart\ 64\ \(USA\).n64

Or you can try another gfx plugin to avoid the code which triggers the
problem in the driver

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https://bugs.launchpad.net/bugs/1063991

Title:
  mupen64plus crashes with illegal instruction

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