X server crashes with "Saw signal 11. Server aborting"

[Bruce Edge]

Binary package hint: xserver-xorg

More that a few times within the last month I've seen this. There I was walking along minding my own business and BLAM! black screen, .... GDM login again. Aarrgh WTF?

Only info is in Xorg.0.log.old: (full file attached)

Backtrace:
0: /usr/bin/X(xorg_backtrace+0x3b) [0x8133d6b]
1: /usr/bin/X(xf86SigHandler+0x55) [0x80c7d35]
2: [0xb7878400]
Saw signal 11. Server aborting.

xorg version stuff:

ii dontzap 0.1.2 Command line tool to set the DontZap option in xorg.con
ii python-xkit 0.4.2 library for the manipulation of the xorg.conf
ii xorg 1:7.4+3ubuntu10 X.Org X Window System
ii xorg-docs-core 1:1.4-5 Core documentation for the X.org X Window System
ii xorg-options-editor-gtk 0.2ubuntu2 Editor for xorg.conf files
ii xserver-xorg 1:7.4+3ubuntu10 the X.Org X server
ii xserver-xorg-core 2:1.6.4-2ubuntu4.1 Xorg X server - core server
ii xserver-xorg-input-all 1:7.4+3ubuntu10 the X.Org X server -- input driver metapackage
ii xserver-xorg-input-evdev 1:2.2.5-1ubuntu6 X.Org X server -- evdev input driver
ii xserver-xorg-input-kbd 1:1.3.2-3 X.Org X server -- keyboard input driver
ii xserver-xorg-input-mouse 1:1.4.0-2 X.Org X server -- mouse input driver
ii xserver-xorg-input-synaptics 1.1.2-1ubuntu7 Synaptics TouchPad driver for X.Org server
ii xserver-xorg-input-vmmouse 1:12.6.4-1ubuntu3 X.Org X server -- VMMouse input driver to use with VMWa
ii xserver-xorg-input-wacom 1:0.8.4.1-0ubuntu4 X.Org X server -- Wacom input driver
ii xserver-xorg-video-all 1:7.4+3ubuntu10 the X.Org X server -- output driver metapackage
ii xserver-xorg-video-apm 1:1.2.1-2 X.Org X server -- APM display driver
ii xserver-xorg-video-ark 1:0.7.1-2 X.Org X server -- ark display driver
ii xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1 X.Org X server -- ATI display driver wrapper
ii xserver-xorg-video-chips 1:1.2.1-3 X.Org X server -- Chips display driver
ii xserver-xorg-video-cirrus 1:1.3.1-1ubuntu2 X.Org X server -- Cirrus display driver
ii xserver-xorg-video-fbdev 1:0.4.0-4 X.Org X server -- fbdev display driver
ii xserver-xorg-video-geode 2.11.6-1 X.Org server -- Geode GX2/LX display driver
ii xserver-xorg-video-i128 1:1.3.2-1 X.Org X server -- i128 display driver
ii xserver-xorg-video-i740 1:1.3.0-1 X.Org X server -- i740 display driver
ii xserver-xorg-video-intel 2:2.9.0-1ubuntu2.1 X.Org X server -- Intel i8xx, i9xx display driver
ii xserver-xorg-video-mach64 6.8.2-1 X.Org X server -- ATI Mach64 display driver
ii xserver-xorg-video-mga 1:1.4.11.dfsg-1 X.Org X server -- MGA display driver
ii xserver-xorg-video-neomagic 1:1.2.3-1 X.Org X server -- Neomagic display driver
ii xserver-xorg-video-nv 1:2.1.14-2ubuntu3 X.Org X server -- NV display driver
ii xserver-xorg-video-openchrome 1:0.2.903+svn758-0ubuntu1 X.Org X server -- VIA display driver
ii xserver-xorg-video-r128 6.8.1-1 X.Org X server -- ATI r128 display driver
ii xserver-xorg-video-radeon 1:6.12.99+git20090929.7968e1fb-0ubuntu1 X.Org X server -- ATI Radeon display driver
ii xserver-xorg-video-rendition 1:4.2.1-1 X.Org X server -- Rendition display driver
ii xserver-xorg-video-s3 1:0.6.2-1 X.Org X server -- legacy S3 display driver
ii xserver-xorg-video-s3virge 1:1.10.2-2 X.Org X server -- S3 ViRGE display driver
ii xserver-xorg-video-savage 1:2.3.0-1ubuntu1 X.Org X server -- Savage display driver
ii xserver-xorg-video-siliconmotion 1:1.7.2-1 X.Org X server -- SiliconMotion display driver
ii xserver-xorg-video-sis 1:0.10.1-2 X.Org X server -- SiS display driver
ii xserver-xorg-video-sisusb 1:0.9.1-1build1 X.Org X server -- SiS USB display driver
ii xserver-xorg-video-tdfx 1:1.4.1-1 X.Org X server -- tdfx display driver
ii xserver-xorg-video-trident 1:1.3.1-1 X.Org X server -- Trident display driver
ii xserver-xorg-video-tseng 1:1.2.1-1 X.Org X server -- Tseng display driver
ii xserver-xorg-video-v4l 1:0.2.0-3ubuntu1 X.Org X server -- Video 4 Linux display driver
ii xserver-xorg-video-vesa 1:2.2.1-1 X.Org X server -- VESA display driver
ii xserver-xorg-video-vmware 1:10.16.7-1 X.Org X server -- VMware display driver
ii xserver-xorg-video-voodoo 1:1.2.2-1 X.Org X server -- Voodoo display driver

Karmic, a few funny repos:

deb http://archive.ubuntu.com/ubuntu/ karmic main
deb-src http://archive.ubuntu.com/ubuntu/ karmic main
deb http://archive.ubuntu.com/ubuntu/ karmic restricted
deb-src http://archive.ubuntu.com/ubuntu/ karmic restricted
deb http://archive.ubuntu.com/ubuntu/ karmic universe
deb http://archive.ubuntu.com/ubuntu/ karmic multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic multiverse
deb http://us.archive.ubuntu.com/ubuntu/ karmic-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ karmic-updates main restricted
deb http://ppa.launchpad.net/justinbogner/ppa/ubuntu karmic main # disabled on upgrade to karmic
deb http://ppa.launchpad.net/micahg/mozilla-beta/ubuntu karmic main
deb http://no.archive.ubuntu.com/ubuntu/ karmic main restricted
deb http://no.archive.ubuntu.com/ubuntu/ karmic-updates main restricted
deb http://no.archive.ubuntu.com/ubuntu/ karmic universe multiverse
deb http://no.archive.ubuntu.com/ubuntu/ karmic-updates universe multiverse
deb http://no.archive.ubuntu.com/ubuntu/ karmic-proposed restricted main multiverse universe
deb http://no.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb http://archive.canonical.com/ubuntu karmic partner
deb http://security.ubuntu.com/ubuntu karmic-security main restricted universe multiverse

Here's my xorg.conf:

Section "Monitor"
        Identifier "Configured Monitor"
EndSection

Section "Screen"
        Identifier "Default Screen"
        Monitor "Configured Monitor"
        Device "Configured Video Device"
        DefaultDepth 24
        # enable twinview
        Option "TwinView" "1"
EndSection

Section "Module"
        Load "glx"
# Disable "dri2"
EndSection

Section "Device"
        Identifier "Default Device"
        Driver "nvidia"
        Option "NoLogo" "True"
        Option "AddARGBVisuals" "True"
        Option "AddARGBGLXVisuals" "True"

        # Twinview display order
        Option "TwinViewXineramaInfoOrder" "DFP-0, DFP-1"
        Option "UseDisplayDevice" "DFP-0, DFP-1"
        Option "TwinViewOrientation" "DFP-0 RightOf DFP-1"

EndSection

[Bruce Edge (bruce-edge)]

Each time the offending action that precipitated this was a "click" on something.
Mind you, I click on a lot of things, so it may have been coincidental. I just remember thinking each time "what the hell did I just click on???"

-Bruce