[Bug 73205] i915: stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73205

--- Comment #1 from Jan Nordholz <jckn at gmx.net> ---
P.S.: Bootup shows this:

[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[drm] Driver supports precise vblank timestamp query.
[drm] Wrong MCH_SSKPD value: 0x16040307
[drm] This can cause pipe underruns and display issues.
[drm] Please upgrade your BIOS to fix this.
[drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5

(There is no BIOS upgrade available.)

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