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
Created attachment 501893 [details] The X log file
Created attachment 501895 [details] The output from dmesg
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 :-).
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