My Mythbuntu installation (based on Ubuntu 12.04), which has been running without issues for years, suddenly won't start X Windows after doing a simple apt-get upgrade. Several packages were upgraded, but the relevant ones from /var/log/dpkg.log appear to be:
2013-06-01 11:13:19 upgrade lightdm 1.2.3-0ubuntu2 1.2.3-0ubuntu2.1
2013-06-01 11:13:49 upgrade liblightdm-gobject-1-0 1.2.3-0ubuntu2 1.2.3-0ubuntu2.1
2013-06-01 11:13:52 upgrade linux-generic 3.2.0.43.51 3.2.0.45.54
2013-06-01 11:13:52 upgrade linux-image-generic 3.2.0.43.51 3.2.0.45.54
2013-06-01 11:14:02 upgrade linux-headers-generic 3.2.0.43.51 3.2.0.45.54
The log from /var/log/Xorg.0.log is as follows:
[ 35.853]
X.Org X Server 1.11.3
Release Date: 2011-12-16
[ 35.853] X Protocol Version 11, Revision 0
[ 35.853] Build Operating System: Linux 2.6.42-37-generic i686 Ubuntu
[ 35.853] Current Operating System: Linux mythtv 3.2.0-45-generic #70-Ubuntu SMP Wed May 29 20:11:31 UTC 2013 i686
[ 35.853] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-45-generic root=UUID=57cd8ecb-7fd4-4c9a-b0c3-cab934656a22 ro quiet splash vmalloc=256M vt.handoff=7
[ 35.853] Build Date: 11 April 2013 01:04:30PM
[ 35.853] xorg-server 2:1.11.4-0ubuntu10.13 (For technical support please see http://www.ubuntu.com/support)
[ 35.853] Current version of pixman: 0.24.4
[ 35.853] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 35.853] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 35.854] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Jun 5 08:52:03 2013
[ 35.854] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 35.854] (==) No Layout section. Using the first Screen section.
[ 35.854] (==) No screen section available. Using defaults.
[ 35.854] (**) |-->Screen "Default Screen Section" (0)
[ 35.854] (**) | |-->Monitor ""
[ 35.854] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 35.854] (==) Automatically adding devices
[ 35.854] (==) Automatically enabling devices
[ 35.854] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 35.854] Entry deleted from font path.
[ 35.854] (==) FontPath set to:
/usr/share/fonts/X11/misc,
/usr/share/fonts/X11/100dpi/:unscaled,
/usr/share/fonts/X11/75dpi/:unscaled,
/usr/share/fonts/X11/Type1,
/usr/share/fonts/X11/100dpi,
/usr/share/fonts/X11/75dpi,
/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
built-ins
[ 35.854] (==) ModulePath set to "/usr/lib/i386-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[ 35.854] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 35.854] (II) Loader magic: 0xa075a0
[ 35.854] (II) Module ABI versions:
[ 35.854] X.Org ANSI C Emulation: 0.4
[ 35.854] X.Org Video Driver: 11.0
[ 35.854] X.Org XInput driver : 16.0
[ 35.854] X.Org Server Extension : 6.0
[ 35.855] (--) PCI:*(0:0:2:0) 8086:2e42:1043:83cc rev 3, Mem @ 0xf9800000/4194304, 0xd0000000/268435456, I/O @ 0x0000ec00/8
[ 35.855] (--) PCI: (0:0:2:1) 8086:2e43:1043:83cc rev 3, Mem @ 0xf9f00000/1048576
[ 35.855] (--) PCI: (0:1:1:0) 14f1:8800:7063:5500 rev 5, Mem @ 0xfa000000/16777216
[ 35.855] (II) Open ACPI successful (/var/run/acpid.socket)
[ 35.855] (II) LoadModule: "extmod"
[ 35.856] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[ 35.856] (II) Module extmod: vendor="X.Org Foundation"
[ 35.856] compiled for 1.11.3, module version = 1.0.0
[ 35.856] Module class: X.Org Server Extension
[ 35.856] ABI class: X.Org Server Extension, version 6.0
[ 35.856] (II) Loading extension MIT-SCREEN-SAVER
[ 35.856] (II) Loading extension XFree86-VidModeExtension
[ 35.856] (II) Loading extension XFree86-DGA
[ 35.856] (II) Loading extension DPMS
[ 35.856] (II) Loading extension XVideo
[ 35.856] (II) Loading extension XVideo-MotionCompensation
[ 35.856] (II) Loading extension X-Resource
[ 35.856] (II) LoadModule: "dbe"
[ 35.856] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[ 35.856] (II) Module dbe: vendor="X.Org Foundation"
[ 35.856] compiled for 1.11.3, module version = 1.0.0
[ 35.856] Module class: X.Org Server Extension
[ 35.856] ABI class: X.Org Server Extension, version 6.0
[ 35.856] (II) Loading extension DOUBLE-BUFFER
[ 35.856] (II) LoadModule: "glx"
[ 35.856] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 35.856] (II) Module glx: vendor="X.Org Foundation"
[ 35.856] compiled for 1.11.3, module version = 1.0.0
[ 35.856] ABI class: X.Org Server Extension, version 6.0
[ 35.856] (==) AIGLX enabled
[ 35.856] (II) Loading extension GLX
[ 35.856] (II) LoadModule: "record"
[ 35.856] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
[ 35.856] (II) Module record: vendor="X.Org Foundation"
[ 35.856] compiled for 1.11.3, module version = 1.13.0
[ 35.856] Module class: X.Org Server Extension
[ 35.856] ABI class: X.Org Server Extension, version 6.0
[ 35.856] (II) Loading extension RECORD
[ 35.856] (II) LoadModule: "dri"
[ 35.856] (II) Loading /usr/lib/xorg/modules/extensions/libdri.so
[ 35.857] (II) Module dri: vendor="X.Org Foundation"
[ 35.857] compiled for 1.11.3, module version = 1.0.0
[ 35.857] ABI class: X.Org Server Extension, version 6.0
[ 35.857] (II) Loading extension XFree86-DRI
[ 35.857] (II) LoadModule: "dri2"
[ 35.857] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[ 35.857] (II) Module dri2: vendor="X.Org Foundation"
[ 35.857] compiled for 1.11.3, module version = 1.2.0
[ 35.857] ABI class: X.Org Server Extension, version 6.0
[ 35.857] (II) Loading extension DRI2
[ 35.857] (==) Matched intel as autoconfigured driver 0
[ 35.857] (==) Matched vesa as autoconfigured driver 1
[ 35.857] (==) Matched fbdev as autoconfigured driver 2
[ 35.857] (==) Assigned the driver to the xf86ConfigLayout
[ 35.857] (II) LoadModule: "intel"
[ 35.857] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 35.857] (II) Module intel: vendor="X.Org Foundation"
[ 35.857] compiled for 1.11.3, module version = 2.19.0
[ 35.857] Module class: X.Org Video Driver
[ 35.857] ABI class: X.Org Video Driver, version 11.0
[ 35.857] (II) LoadModule: "vesa"
[ 35.857] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 35.857] (II) Module vesa: vendor="X.Org Foundation"
[ 35.857] compiled for 1.11.3, module version = 2.3.0
[ 35.857] Module class: X.Org Video Driver
[ 35.857] ABI class: X.Org Video Driver, version 11.0
[ 35.857] (II) LoadModule: "fbdev"
[ 35.858] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 35.858] (II) Module fbdev: vendor="X.Org Foundation"
[ 35.858] compiled for 1.11.3, module version = 0.4.2
[ 35.858] ABI class: X.Org Video Driver, version 11.0
[ 35.858] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G,
E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G,
965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45,
4 Series, G45/G43, Q45/Q43, G41, B43, B43, Clarkdale, Arrandale,
Sandybridge Desktop (GT1), Sandybridge Desktop (GT2),
Sandybridge Desktop (GT2+), Sandybridge Mobile (GT1),
Sandybridge Mobile (GT2), Sandybridge Mobile (GT2+),
Sandybridge Server, Ivybridge Mobile (GT1), Ivybridge Mobile (GT2),
Ivybridge Desktop (GT1), Ivybridge Desktop (GT2), Ivybridge Server,
Ivybridge Server (GT2)
[ 35.858] (II) VESA: driver for VESA chipsets: vesa
[ 35.858] (II) FBDEV: driver for framebuffer: fbdev
[ 35.858] (--) using VT number 7
[ 35.866] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 35.866] (WW) Falling back to old probe method for vesa
[ 35.866] (WW) Falling back to old probe method for fbdev
[ 35.866] (II) Loading sub module "fbdevhw"
[ 35.866] (II) LoadModule: "fbdevhw"
[ 35.866] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 35.867] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 35.867] compiled for 1.11.3, module version = 0.0.2
[ 35.867] ABI class: X.Org Video Driver, version 11.0
[ 35.867] drmOpenDevice: node name is /dev/dri/card0
[ 35.867] drmOpenDevice: open result is 9, (OK)
[ 35.867] drmOpenByBusid: Searching for BusID pci:0000:00:02.0
[ 35.867] drmOpenDevice: node name is /dev/dri/card0
[ 35.867] drmOpenDevice: open result is 9, (OK)
[ 35.867] drmOpenByBusid: drmOpenMinor returns 9
[ 35.867] drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
[ 35.867] (II) intel(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
[ 35.867] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[ 35.867] (==) intel(0): RGB weight 888
[ 35.867] (==) intel(0): Default visual is TrueColor
[ 35.867] (II) intel(0): Integrated Graphics Chipset: Intel(R) B43
[ 35.867] (--) intel(0): Chipset: "B43"
[ 35.867] (II) UnloadModule: "intel"
[ 35.867] (II) Unloading intel
[ 35.867] (EE) Screen(s) found, but none have a usable configuration.
[ 35.867]
Fatal server error:
[ 35.867] no screens found
[ 35.867]
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 35.867] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 35.867]
[ 35.879] ddxSigGiveUp: Closing log
[ 35.879] Server terminated with error (1). Closing log file.
The PC contains an integrated Intel video card (Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)) and an HD-5500 HDTV TV tuner card (Conexant Systems, Inc. CX23880/1/2/3 PCI Video and Audio Decoder (rev 05)).
There is no /etc/X11/xorg.conf file.
So far, I've tried the following:
Downgrading to an older Linux kernel:
apt-get install linux-generic=3.2.0.45.54Downgrading
lightdm:apt-get install lightdm=1.2.1-0ubuntu1- Running
X -configureand restarting (I deleted the generatedxorg.confafter it didn't work)
So far, I seem to get the same error no matter what I do. Any suggestions?
In case anyone else runs into this problem, I was able to fix it by switching to the experimental xorg-edgers video card drivers PPA, and installing unity-2d, as follows:
sudo apt-add-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install unity-2d
Use this at your own risk, please understand that PPAs can break your system. Learn more about the xorg-edgers PPA here.
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