Bug 65988 - [HSW] "More than 8 outputs detected" before entering run level 3
Summary: [HSW] "More than 8 outputs detected" before entering run level 3
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: medium major
Assignee: Daniel Vetter
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-06-21 02:25 UTC by shui yangwei
Modified: 2017-10-06 14:45 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Attachments
dmesg: "More than 8 outputs detected" error message (119.08 KB, text/plain)
2013-06-21 02:25 UTC, shui yangwei
no flags Details
tune down DIDL warnings (1.48 KB, patch)
2013-06-24 16:33 UTC, Daniel Vetter
no flags Details | Splinter Review

Description shui yangwei 2013-06-21 02:25:43 UTC
Created attachment 81143 [details]
dmesg: "More than 8 outputs detected" error message

Environment:
-----------------------
Kernel: (drm-intel-next-queued)04c23c6203954cc38a34c86b4dd0686a1b1a53de
Some additional commit info:
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Wed Jun 12 17:27:30 2013 -0300

    drm/i915: rename intel_dp_destroy to intel_dp_connector_destroy


Description:
-----------------------
Just boot up one HSW machine, without any display port connected, the error messages "More than 8 outputs detected via ACPI" will be clearly seen in dmesg.
I have tried -next-queued and -fixes kernels, all have this issue. I also test it on many old kernels, and this issue reproduced. All of our HSW platform have this problem. I test other platforms just like IVB,ILK; and there's not this issue. 

There's a related Internal Bugzilla bug:
bug #769 : [HSW ULT C4] "More than 8 outputs detected" before entering run level 3

Reproduce steps:
----------------
1. without display port connected
2. Boot HSW machine to init 3 run level
3. dmesg | grep -i "8 output" 

Current result:
----------------
We are getting the following error by booting to level 3

[    1.849066] i915 0000:00:02.0: More than 8 outputs detected via ACPI

Expected result:
----------------

DUT need to boot to init 3 without any error message.
Comment 1 Daniel Vetter 2013-06-24 16:33:17 UTC
Created attachment 81349 [details] [review]
tune down DIDL warnings
Comment 2 shui yangwei 2013-06-25 03:45:52 UTC
(In reply to comment #1)
> Created attachment 81349 [details] [review] [review]
> tune down DIDL warnings

Test with latest -next-queued, this error message disappeared. I find the patch have been loaded on -next-queued.
Comment 3 Elizabeth 2017-10-06 14:45:42 UTC
Closing old verified.


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.