Bug 93127

Summary:	[SKL] [drm:check_wm_state [i915]] ERROR mismatch in DDB state pipe
Product:	DRI	Reporter:	Sverd Johnsen <sverd.johnsen>
Component:	DRM/Intel	Assignee:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Status:	CLOSED WORKSFORME	QA Contact:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity:	normal
Priority:	medium	CC:	intel-gfx-bugs
Version:	unspecified
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
i915 platform:	SKL	i915 features:	display/Other

Description Sverd Johnsen 2015-11-26 15:55:17 UTC

Found these in dmesg.

[27185.721638] [drm:check_wm_state [i915]] *ERROR* mismatch in DDB state pipe A plane 1 (expected (0,0), found (0,438))
[27185.721666] [drm:check_wm_state [i915]] *ERROR* mismatch in DDB state pipe A cursor (expected (0,0), found (438,446))

Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz
Linux foo 4.3.0-1-bar #1 SMP PREEMPT Sun Nov 22 23:37:14 CET 2015 x86_64 GNU/Linux

Don't have any issues except spam from Bug 89055

Comment 1 Jani Nikula 2015-11-27 08:18:49 UTC

(In reply to Sverd Johnsen from comment #0)
> Found these in dmesg.

Please try v4.4-rc2 or later.

Please add drm.debug=14 module parameter and attach complete dmesg from boot to the problem.

Comment 2 Jani Nikula 2016-04-25 09:31:24 UTC

Timeout, closing. Please reopen if the problem persists with latest kernels.

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.