[Bug 107420] [hsw] GPU HANG: ecode 7:0:0x86dffffd in Xorg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107420

--- Comment #11 from Georg <gchomse at chomse.de> ---
Sorry if it becomes stupid: When looking around for "gpu hang" and "i915" there
are hints that "i915.enable_rc6=0" in the grub command line did solv the
problem.
I tried as well but without success.

But!: "modinfo -p i915" show a lot of module parameters, but no parameter
'enable_rc6'.

Is it possible that with kernel around 4.15.0 (default of Ubuntu 18.04) the
module i915 was 'optimized' so 'enable_rc6' is ON and I cannot switch it any
more?

Btw: "modinfo -p i915" for Ubuntu 16.04 has 'enable_rc6' in it's list.

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