[Bug 103584] [bdw] GPU hang in Xorg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103584

--- Comment #16 from Cyril Moreau <cyril.moreauu at gmail.com> ---
I have tried the advices given in the following link :
https://askubuntu.com/questions/170668/intel-do-flush-locked-failed-input-output-error

LIBGL_ALWAYS_SOFTWARE=1 ./yourprogram

&

export hiz=false
export INTEL_HIZ=0
export INTEL_SEPARATE_STENCIL=0

&

sudo intel_reg_write 0x2120 0x1206800

Only the LIBGL_ALWAYS_SOFTWARE=1 ./yourprogram works

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