Thanks for the additional info. Judging the bug reports I found at
freedesktop.org, I think we can safely confirm this bug. It seems the
lost interrupts might have something to do with it actually.

Unfortunately, there doesn't seem to be much activity there. According
to the comments at https://bugs.freedesktop.org/show_bug.cgi?id=7456
this seems to be a well-known problem. Unfortunately, the comments also
claim nobody's actively maintaining the via unichrome driver at the
moment.

As a workaround, you could always use the vesa driver instead of the via
one. That would prevent the lock-ups. However, opengl performance would
suffer when using the vesa driver.

Btw, you can also paste your logfiles and debug output snippets into
files and use the "attach file" option. That makes the comments a wee
bit more readable.

Regards, Dominik

-- 
computer freezes with some applications using 3D
https://launchpad.net/bugs/43154

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