https://bugs.freedesktop.org/show_bug.cgi?id=43939
Bug #: 43939
Summary: DVI monitor connected via HDMI is blank / standby
(NV96 / 9500GS)
Classification: Unclassified
Product: xorg
Version: unspecified
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
I recently upgraded my main workstation to Fedora 16 (x86-64). I have two Dell
2001FP monitors, one connected via DVI-D and one via an HDMI-to-DVI cable.
My previous setup was using Fedora 14 with the proprietary nVidia drivers, and
that drove both monitors correctly. I also occasionally dual-boot into Windows
7, and both monitors work correctly there as well.
With Fedora 16 and the nouveau drivers, the second monitor (on HDMI) seems to
be recognized but it never "wakes up".
If I disconnect the first monitor, so that the HDMI-driven monitor is the only
one on the system, it successfully shows the motherboard boot-time splash
graphic, the BIOS POST, and GRUB menu; as soon as the linux boot gets past
"initializing ramdisk" (or something like that), the monitor goes to sleep.
>From these experiments and some hints on the #nouveau channel, it would appear
that the kernel nouveau bits are somehow not activating the HDMI output
correctly.
I did try the 3.2-rc6 kernel from Fedora Rawhide / Koji, and it didn't help
this issue.
Any other hints would be welcome, and I'm also happy to try to collect more
data. I'll be attaching some log files in a moment.
Here is the xrandr output:
$ DISPLAY=:0.0 xrandr --props
Screen 0: minimum 320 x 200, current 3200 x 1200, maximum 8192 x 8192
DVI-I-1 connected 1600x1200+0+0 (normal left inverted right x axis y axis)
367mm x 275mm
EDID:
00ffffffffffff0010ac08a04c305231
310e010380291f78ee6390a3574b9b25
115054a54b008180a940714f01010101
010101010101483f403062b0324040c0
13006f131100001e000000ff00433036
34363443313152304c20000000fc0044
454c4c203230303146500a20000000fd
00384c1f5010000a202020202020003f
dithering: Off
supported: Off On Automatic
scaling mode: Full
supported: None Full Center Full aspect
select subconnector: Automatic
supported: Automatic DVI-D DVI-A
subconnector: DVI-D
supported: Unknown DVI-D DVI-A
1600x1200 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
VGA-1 disconnected (normal left inverted right x axis y axis)
scaling mode: None
supported: None Full Center Full aspect
HDMI-1 connected 1600x1200+1600+0 (normal left inverted right x axis y axis)
367mm x 275mm
EDID:
00ffffffffffff0010ac08a04c415434
230f010380291f78ee6390a3574b9b25
115054a54b008180a940714f01010101
010101010101483f403062b0324040c0
13006f131100001e000000ff00433036
343635384f3454414c20000000fc0044
454c4c203230303146500a20000000fd
00384c1f5010000a202020202020000c
dithering: Off
supported: Off On Automatic
scaling mode: Full
supported: None Full Center Full aspect
1600x1200 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
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