Bug 709181 - [CEDAR] probed a monitor but no|invalid EDID
Summary: [CEDAR] probed a monitor but no|invalid EDID
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-ati
Version: 15
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: ---
Assignee: Jérôme Glisse
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: [cat:rendering]
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-05-31 00:27 UTC by Tom Horsley
Modified: 2012-08-07 16:29 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-08-07 16:29:29 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)
The X log file (65.03 KB, text/plain)
2011-05-31 00:29 UTC, Tom Horsley
no flags Details
The output from dmesg (63.05 KB, text/plain)
2011-05-31 00:29 UTC, Tom Horsley
no flags Details

Description Tom Horsley 2011-05-31 00:27:02 UTC
Description of problem:

Stuff like this appears in my /var/log/messages file every few minutes:

May 30 17:43:31 paradox kernel: [15251.811139] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
May 30 17:48:36 paradox kernel: [15556.167140] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
May 30 17:48:46 paradox kernel: [15566.177032] i2c i2c-1: sendbytes: NAK bailout.

That i2c error also was the last thing to show up before the system just totally froze up once (don't know if it is really related since I find a few other places where the same messages occurred without the system crashing).

There is only one monitor on the system, and it wasn't turned off or anything, so it should be able to get the EDID (in fact is does get it when the system boots, because it comes up in the correct 1920x1080 60HZ mode).

The lspci info on the video card is:

01:00.0 VGA compatible controller: ATI Technologies Inc Manhattan [Mobility Radeon HD 5000 Series]
01:00.1 Audio device: ATI Technologies Inc Manhattan HDMI Audio [Mobility Radeon HD 5000 Series]

The system is a Dell Zino HD (Inspiron 410).

Version-Release number of selected component (if applicable):

xorg-x11-drv-ati-6.14.1-1.20110504gita6d2dba6.fc15.x86_64
kernel-2.6.38.6-27.fc15.x86_64
libdrm-2.4.25-1.fc15.x86_64

How reproducible:

Boot system and monitor log and it eventually shows up every time.

Steps to Reproduce:
1. see above
2.
3.
  
Actual results:
EDID and i2c errors

Expected results:
no such errors

Additional info:
I'll attach the dmesg and X logs

Comment 1 Tom Horsley 2011-05-31 00:29:13 UTC
Created attachment 501893 [details]
The X log file

Comment 2 Tom Horsley 2011-05-31 00:29:53 UTC
Created attachment 501895 [details]
The output from dmesg

Comment 3 Tom Horsley 2011-05-31 01:20:11 UTC
I added a /etc/modprobe.d/drm_kms_helper.conf file containing the line

options drm_kms_helper poll=0

then re-ran dracut --force and I haven't see the EDID messages since then. Maybe that will even prevent the mysterious crashes (but with a sample size of only 1 it will be hard to know :-).

Comment 4 Fedora End Of Life 2012-08-07 16:29:31 UTC
This message is a notice that Fedora 15 is now at end of life. Fedora
has stopped maintaining and issuing updates for Fedora 15. It is
Fedora's policy to close all bug reports from releases that are no
longer maintained. At this time, all open bugs with a Fedora 'version'
of '15' have been closed as WONTFIX.

(Please note: Our normal process is to give advanced warning of this
occurring, but we forgot to do that. A thousand apologies.)

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