[Bug 31961] [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC:6]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31961

--- Comment #3 from Francisco Jerez <currojerez-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org> 2010-11-29 04:54:05 PST ---
(In reply to comment #0)
> I noticed in dmesg these lines;
> 
> [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC:6]
> fbcon_init: detected unhandled fb_set_par error, error code -22
> [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC:6]
> Console: switching to colour frame buffer device 90x36
> [drm:drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC:6]
> fb0: nouveaufb frame buffer device
> drm: registered panic notifier
> 

Any chance you could run the nvidia binary driver in that box with no outputs
connected and no output-related options in xorg.conf? (e.g. make sure you don't
have "UseDisplayDevice" or "ConnectedMonitor" lines) Then can you ssh in from
another machine and grab a register dump (running this program as root:
http://cgit.freedesktop.org/~currojerez/tvdump/) and your Xorg log?

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