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#1 2011-01-27 09:38:30

nspattak
Member
From: Greece
Registered: 2008-05-21
Posts: 22

strange problem on i915 gpu. No signal sent to display

For the last few days I am experiencing a strange problem. At first I thought the computer froze as I first encountered it when I downloaded and tried stressapptester (google's mem tester). Then it happened again at random times and it became a problem.
I have a motherboard with 915 gpu with one vga and one hdmi output. I usually only use the hdmi output to connect a monitor through an hdmi to dvi adapter.

The problem is that signal to the monitor stops at random times.  I can ssh to the computer and reboot it but then again it will again stop working. I also checked using the vga output which works fine when the hdmi output dies and that is how I noticed this in /var/log/messages :

Jan 27 10:33:57 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 1 invalid

then I tried this:

11:31:22 , pattakosn@jim,~ #_ sudo grep "DVI-D-1: EDID block" /var/log/messages.log
11:31:22 , pattakosn@jim,~ #_ sudo grep "DVI-D-1: EDID block" /var/log/messages.log
Jan 23 21:30:07 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 24 12:44:24 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 24 12:46:41 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 24 12:46:42 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 24 12:46:42 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 24 12:46:43 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 24 12:51:53 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:32:09 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:36:17 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:07 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:07 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:08 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:09 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:10 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:11 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:12 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:12 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:13 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:14 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:15 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 10:37:15 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 26 13:54:01 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 04:50:05 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 07:01:03 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 07:01:45 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 07:01:45 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 07:01:47 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 07:01:47 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 0 invalid.
Jan 27 10:33:57 localhost kernel: i915 0000:00:02.0: DVI-D-1: EDID block 1 invalid.

Last time I upgraded intelThis is pacman log:

11:34:52 , pattakosn@jim,~ #_ tail -n50  /var/log/pacman.log 
[2011-01-23 01:49] Running 'pacman -Sy'
[2011-01-23 01:49] synchronizing package lists
[2011-01-23 01:49] starting full system upgrade
[2011-01-23 01:53] Running 'pacman -S -u'
[2011-01-23 01:53] starting full system upgrade
[2011-01-23 01:53] upgraded hunspell (1.2.14-1 -> 1.2.14-2)
[2011-01-23 01:53] upgraded phonon-gstreamer (4.4.3-1 -> 4.4.4-1)
[2011-01-23 01:53] upgraded phonon (4.4.3-1 -> 4.4.4-1)
[2011-01-23 01:53] upgraded qscintilla (2.4.6-4 -> 2.4.6-5)
[2011-01-23 20:57] Running 'pacman -Sy'
[2011-01-23 20:57] synchronizing package lists
[2011-01-23 20:57] starting full system upgrade
[2011-01-23 20:59] Running 'pacman -S -u'
[2011-01-23 20:59] starting full system upgrade
[2011-01-23 21:00] upgraded file (5.04-3 -> 5.05-1)
[2011-01-23 21:00] upgraded ghostscript (9.00-2 -> 9.00-4)
[2011-01-23 21:00] upgraded libaio (0.3.109-4 -> 0.3.109-5)
[2011-01-23 21:00] upgraded libdbusmenu-qt (0.6.6-1 -> 0.7.0-1)
11:35:46 , pattakosn@jim,~ #_ grep intel  /var/log/pacman.log 
[2010-11-21 00:05] Running 'pacman -S xf86-video-intel'
[2010-11-21 00:06] installed intel-dri (7.8.2-3)
[2010-11-21 00:06] installed xf86-video-intel (2.12.0-3)
[2010-11-27 16:08] upgraded intel-dri (7.8.2-3 -> 7.9-1)
[2010-11-27 16:11] upgraded xf86-video-intel (2.12.0-3 -> 2.13.0-4)
[2010-12-15 14:03] upgraded intel-dri (7.9-1 -> 7.9.0.git20101207-2)

I guess it is a power problem so I disabled screensaver and putting display to sleep and I wait to see if it will happen again.

Any ideas ?

Last edited by nspattak (2011-01-27 09:40:23)

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