ubuntu-x-swat team mailing list archive

[Mike Jacobi <nytimes@xxxxxxxxxxx>]

I cannot reproduce Bug 417599 and I don't believe I've ever seen Bug
431812 happen.

I tried to reproduce my bug again and I could not recover this time with
Fn-F7 (crt/lcd switch). I also could not recover through switching
through ttys. I think the difference may be I switched to the xfce4
window manager.

So I tried again with Gnome this time on a new user account (this one
created after upgrading from jaunty to karmic).

Results: 
Bug still occurs.
Fn-F7 recovers the first time, though now the screen flashes for a second before showing the desktop. 
If I test it again during the same session, the screen will flash indefinitely, though I can still recover from this state by switching TTYs (ctrl-alt-F1, alt-F8). 
See below for a tail of my dmesg after the two flashing states described above.
While writing this up after the above tests my system froze up (only the mouse moved, didn't check if I could ssh in). Not sure if this is related but I pasted xorg's log and the syslog, right before the freeze, below too.

dmesg after black screen recovery:
[  876.164450] [drm] DAC-6: set mode 640x480 0
[  876.270259] [drm] DAC-6: set mode 640x480 0
[  876.339628] i2c-adapter i2c-1: unable to read EDID block.
[  876.339632] i915 0000:00:02.0: LVDS-1: no EDID data
[  876.381047] [drm] TV-12: set mode NTSC 480i 0
[  876.521167] [drm] TV-12: set mode NTSC 480i 0
[  876.977168] [drm] LVDS-8: set mode  19
// recovered gui here
[  898.210123] [drm] DAC-6: set mode 640x480 0
[  898.315048] [drm] DAC-6: set mode 640x480 0
[  898.384402] i2c-adapter i2c-1: unable to read EDID block.
[  898.384406] i915 0000:00:02.0: LVDS-1: no EDID data
[  898.425775] [drm] TV-12: set mode NTSC 480i 0
[  898.565927] [drm] TV-12: set mode NTSC 480i 0
[  901.593519] [drm] LVDS-8: set mode 1024x768 16
[  905.916108] [drm] LVDS-8: set mode  1a
// recovered gui here

tail of Xorg.1.log after reboot after freeze:
(II) intel(0): Modeline "640x350"x85.1   31.50  640 672 736 832  350 382 385 445 +hsync -vsync (37.9 kHz)
(II) intel(0): EDID for output TV1
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) UnloadModule: "synaptics"
(II) TPPS/2 IBM TrackPoint: Close
(II) UnloadModule: "evdev"
(II) Macintosh mouse button emulation: Close
(II) UnloadModule: "evdev"
(II) ThinkPad Extra Buttons: Close
(II) UnloadModule: "evdev"
(II) Sleep Button: Close
(II) UnloadModule: "evdev"
(II) Video Bus: Close
(II) UnloadModule: "evdev"
(II) AT Translated Set 2 keyboard: Close
(II) UnloadModule: "evdev"
(II) Power Button: Close
(II) UnloadModule: "evdev"
 ddxSigGiveUp: Closing log

syslog before and after reboot:
Oct  1 01:39:24 happybox kernel: [ 1532.205968] i2c-adapter i2c-1: unable to read EDID block.
Oct  1 01:39:24 happybox kernel: [ 1532.205972] i915 0000:00:02.0: LVDS-1: no EDID data
Oct  1 01:39:24 happybox kernel: [ 1532.247359] [drm] TV-12: set mode NTSC 480i 0
Oct  1 01:39:27 happybox kernel: [ 1532.387534] [drm] TV-12: set mode NTSC 480i 0
Oct  1 01:39:27 happybox kernel: [ 1534.594420] [drm] DAC-6: set mode 640x480 0
Oct  1 01:39:27 happybox kernel: [ 1534.702300] [drm] DAC-6: set mode 640x480 0
Oct  1 01:39:27 happybox kernel: [ 1534.773173] i2c-adapter i2c-1: unable to read EDID block.
Oct  1 01:39:27 happybox kernel: [ 1534.773178] i915 0000:00:02.0: LVDS-1: no EDID data
Oct  1 01:39:27 happybox kernel: [ 1534.814569] [drm] TV-12: set mode NTSC 480i 0
Oct  1 01:39:27 happybox kernel: [ 1534.954792] [drm] TV-12: set mode NTSC 480i 0
Oct  1 01:39:27 happybox kernel: [ 1535.309004] [drm] DAC-6: set mode 640x480 0
Oct  1 01:39:27 happybox kernel: [ 1535.414097] [drm] DAC-6: set mode 640x480 0
Oct  1 01:39:27 happybox kernel: [ 1535.483306] i2c-adapter i2c-1: unable to read EDID block.
Oct  1 01:39:34 happybox acpid: client 3148[0:0] has disconnected
Oct  1 01:39:34 happybox acpid: client connected from 3148[0:0]
Oct  1 01:40:52 happybox wpa_supplicant[846]: CTRL-EVENT-SCAN-RESULTS 
Oct  1 01:42:52 happybox wpa_supplicant[846]: CTRL-EVENT-SCAN-RESULTS 
Oct  1 01:45:47 happybox kernel: imklog 4.2.0, log source = /var/run/rsyslog/kmsg started.
Oct  1 01:45:47 happybox rsyslogd: [origin software="rsyslogd" swVersion="4.2.0" x-pid="747" x-info="http://www.rsyslog.com";] (re)start
Oct  1 01:45:47 happybox rsyslogd: rsyslogd's groupid changed to 102
Oct  1 01:45:47 happybox rsyslogd: rsyslogd's userid changed to 101
Oct  1 01:45:47 happybox kernel: [    0.000000] Initializing cgroup subsys cpuset
Oct  1 01:45:47 happybox kernel: [    0.000000] Initializing cgroup subsys cpu
Oct  1 01:45:47 happybox kernel: [    0.000000] Linux version 2.6.31-11-generic (buildd@rothera) (gcc version 4.4.1 (Ubuntu 4.4.1-4ubuntu3) ) #36-Ubuntu SMP Fri Sep 25 06:37:51 UTC 2009 (Ubuntu 2.6.31-11.36-generic)

-- 
[i915gm] karmic 2.6.31-2 and -3 lid closing blacks screen until reboot on thinkpad r52
https://bugs.launchpad.net/bugs/399636
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