<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [NV94] HDMI Connected, but TV reports "no signal"" href="https://bugs.freedesktop.org/show_bug.cgi?id=84706#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [NV94] HDMI Connected, but TV reports "no signal"" href="https://bugs.freedesktop.org/show_bug.cgi?id=84706">bug 84706</a> from <a class="email" href="mailto:jayvandam@gmail.com" title="Jay van Dam <jayvandam@gmail.com>"> Jay van Dam</a> <pre>Just went through both the logs of the LiveCD and normal system and I found the following: Normal system kernel log with nouveau.debug=trace and drm.debug=0xe [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.268401] vesafb: mode is 640x480x32, linelength=2560, pages=0 [ 0.268402] vesafb: scrolling: redraw [ 0.268404] vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0 [ 0.268418] vesafb: framebuffer at 0xfb000000, mapped to 0xffffc90010e80000, using 1216k, total 1216k [ 0.275997] Console: switching to colour frame buffer device 80x30 [ 0.283477] fb0: VESA VGA frame buffer device [ 0.308418] fb: switching to nouveaufb from VESA VGA [ 0.308438] Console: switching to colour dummy device 80x25 [ 0.818241] fbcon: nouveaufb (fb0) is primary device [ 0.903002] Console: switching to colour frame buffer device 240x67 [ 0.904713] nouveau 0000:05:00.0: fb0: nouveaufb frame buffer device LiveCD kernel log with nouveau.debug=trace and drm.debug=0xe [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 2.977742] fbcon: nouveaufb (fb0) is primary device [ 3.048489] Console: switching to colour frame buffer device 240x67 [ 3.050679] nouveau 0000:05:00.0: fb0: nouveaufb frame buffer device Could it be that the kernel framebuffer driver hand-over is not working properly. The handover completes without errors according to the logs, but it seems that only the VGA display output continues to work after handover and the HDMI display output becomes faulty over the hand-over.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>