The first Xorg.0.log file had been the one I posted in the first post. After some fiddling around I now have this one....
[ 114.005]
X.Org X Server 1.15.1
Release Date: 2014-04-13
[ 114.005] X Protocol Version 11, Revision 0
[ 114.005] Build Operating System: Linux 3.2.0-61-generic x86_64 Ubuntu
[ 114.005] Current Operating System: Linux medusa-C7Z87-OCE 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64
[ 114.005] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=UUID=a93c34a5-994d-4a97-ae29-10255fca2a92 ro quiet splash text vt.handoff=7
[ 114.005] Build Date: 30 July 2014 12:21:54AM
[ 114.005] xorg-server 2:1.15.1-0ubuntu2.1 (For technical support please see
http://www.ubuntu.com/support)
[ 114.005] Current version of pixman: 0.30.2
[ 114.005] Before reporting problems, check
http://wiki.x.org
to make sure that you have the latest version.
[ 114.005] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 114.005] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Jul 8 15:35:20 2015
[ 114.025] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 114.025] (==) No Layout section. Using the first Screen section.
[ 114.025] (==) No screen section available. Using defaults.
[ 114.025] (**) |-->Screen "Default Screen Section" (0)
[ 114.025] (**) | |-->Monitor "<default monitor>"
[ 114.025] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 114.025] (==) Automatically adding devices
[ 114.025] (==) Automatically enabling devices
[ 114.025] (==) Automatically adding GPU devices
[ 114.025] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 114.026] Entry deleted from font path.
[ 114.026] (==) 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,
built-ins
[ 114.026] (==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[ 114.026] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 114.026] (II) Loader magic: 0x7f03cf394d40
[ 114.026] (II) Module ABI versions:
[ 114.026] X.Org ANSI C Emulation: 0.4
[ 114.026] X.Org Video Driver: 15.0
[ 114.026] X.Org XInput driver : 20.0
[ 114.026] X.Org Server Extension : 8.0
[ 114.026] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 114.027] (--) PCI:*(0:0:2:0) 8086:0412:8086:2010 rev 6, Mem @ 0xee400000/4194304, 0xa0000000/268435456, I/O @ 0x0000f000/64
[ 114.027] Initializing built-in extension Generic Event Extension
[ 114.027] Initializing built-in extension SHAPE
[ 114.027] Initializing built-in extension MIT-SHM
[ 114.027] Initializing built-in extension XInputExtension
[ 114.027] Initializing built-in extension XTEST
[ 114.027] Initializing built-in extension BIG-REQUESTS
[ 114.027] Initializing built-in extension SYNC
[ 114.027] Initializing built-in extension XKEYBOARD
[ 114.027] Initializing built-in extension XC-MISC
[ 114.027] Initializing built-in extension SECURITY
[ 114.027] Initializing built-in extension XINERAMA
[ 114.027] Initializing built-in extension XFIXES
[ 114.027] Initializing built-in extension RENDER
[ 114.027] Initializing built-in extension RANDR
[ 114.027] Initializing built-in extension COMPOSITE
[ 114.027] Initializing built-in extension DAMAGE
[ 114.027] Initializing built-in extension MIT-SCREEN-SAVER
[ 114.027] Initializing built-in extension DOUBLE-BUFFER
[ 114.027] Initializing built-in extension RECORD
[ 114.027] Initializing built-in extension DPMS
[ 114.027] Initializing built-in extension Present
[ 114.027] Initializing built-in extension DRI3
[ 114.027] Initializing built-in extension X-Resource
[ 114.027] Initializing built-in extension XVideo
[ 114.027] Initializing built-in extension XVideo-MotionCompensation
[ 114.027] Initializing built-in extension SELinux
[ 114.027] Initializing built-in extension XFree86-VidModeExtension
[ 114.027] Initializing built-in extension XFree86-DGA
[ 114.027] Initializing built-in extension XFree86-DRI
[ 114.027] Initializing built-in extension DRI2
[ 114.027] (II) LoadModule: "glx"
[ 114.044] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 114.097] (II) Module glx: vendor="X.Org Foundation"
[ 114.097] compiled for 1.15.1, module version = 1.0.0
[ 114.097] ABI class: X.Org Server Extension, version 8.0
[ 114.097] (==) AIGLX enabled
[ 114.097] Loading extension GLX
[ 114.097] (==) Matched intel as autoconfigured driver 0
[ 114.097] (==) Matched intel as autoconfigured driver 1
[ 114.097] (==) Matched modesetting as autoconfigured driver 2
[ 114.097] (==) Matched fbdev as autoconfigured driver 3
[ 114.097] (==) Matched vesa as autoconfigured driver 4
[ 114.097] (==) Assigned the driver to the xf86ConfigLayout
[ 114.097] (II) LoadModule: "intel"
[ 114.097] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 114.107] (II) Module intel: vendor="X.Org Foundation"
[ 114.107] compiled for 1.15.1, module version = 2.99.910
[ 114.107] Module class: X.Org Video Driver
[ 114.107] ABI class: X.Org Video Driver, version 15.0
[ 114.107] (II) LoadModule: "modesetting"
[ 114.107] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 114.107] (II) Module modesetting: vendor="X.Org Foundation"
[ 114.107] compiled for 1.15.0, module version = 0.8.1
[ 114.107] Module class: X.Org Video Driver
[ 114.107] ABI class: X.Org Video Driver, version 15.0
[ 114.107] (II) LoadModule: "fbdev"
[ 114.107] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 114.107] (II) Module fbdev: vendor="X.Org Foundation"
[ 114.107] compiled for 1.15.0, module version = 0.4.4
[ 114.107] Module class: X.Org Video Driver
[ 114.107] ABI class: X.Org Video Driver, version 15.0
[ 114.107] (II) LoadModule: "vesa"
[ 114.107] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 114.107] (II) Module vesa: vendor="X.Org Foundation"
[ 114.107] compiled for 1.15.0, module version = 2.3.3
[ 114.107] Module class: X.Org Video Driver
[ 114.107] ABI class: X.Org Video Driver, version 15.0
[ 114.107] (II) intel: Driver for Intel(R) 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
[ 114.107] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000
[ 114.107] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
[ 114.107] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300
[ 114.107] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 114.107] (II) FBDEV: driver for framebuffer: fbdev
[ 114.107] (II) VESA: driver for VESA chipsets: vesa
[ 114.107] (--) using VT number 7
[ 114.109] (II) intel(0): SNA compiled: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.1 (Maarten Lankhorst <maarten.lankhorst@ubuntu.com>)
[ 114.109] (WW) Falling back to old probe method for modesetting
[ 114.109] (WW) Falling back to old probe method for fbdev
[ 114.109] (II) Loading sub module "fbdevhw"
[ 114.109] (II) LoadModule: "fbdevhw"
[ 114.110] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 114.110] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 114.110] compiled for 1.15.1, module version = 0.0.2
[ 114.110] ABI class: X.Org Video Driver, version 15.0
[ 114.110] (WW) Falling back to old probe method for vesa
[ 114.110] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics 4600
[ 114.110] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx, avx2
[ 114.110] (II) intel(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
[ 114.110] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[ 114.110] (==) intel(0): RGB weight 888
[ 114.110] (==) intel(0): Default visual is TrueColor
[ 114.110] (**) intel(0): Framebuffer tiled
[ 114.110] (**) intel(0): Pixmaps tiled
[ 114.110] (**) intel(0): "Tear free" disabled
[ 114.110] (**) intel(0): Forcing per-crtc-pixmaps? no
[ 114.110] (II) intel(0): Output VGA1 has no monitor section
[ 114.110] (II) intel(0): Output DP1 has no monitor section
[ 114.110] (II) intel(0): Output HDMI1 has no monitor section
[ 114.110] (II) intel(0): Output HDMI2 has no monitor section
[ 114.110] (II) intel(0): Output DP2 has no monitor section
[ 114.110] (II) intel(0): Output HDMI3 has no monitor section
[ 114.110] (II) intel(0): Output VIRTUAL1 has no monitor section
[ 114.110] (--) intel(0): Output HDMI2 using initial mode 1360x768 on pipe 0
[ 114.110] (==) intel(0): DPI set to (96, 96)
[ 114.110] (II) Loading sub module "dri2"
[ 114.110] (II) LoadModule: "dri2"
[ 114.110] (II) Module "dri2" already built-in
[ 114.110] (II) UnloadModule: "modesetting"
[ 114.110] (II) Unloading modesetting
[ 114.110] (II) UnloadModule: "fbdev"
[ 114.110] (II) Unloading fbdev
[ 114.110] (II) UnloadSubModule: "fbdevhw"
[ 114.110] (II) Unloading fbdevhw
[ 114.110] (II) UnloadModule: "vesa"
[ 114.110] (II) Unloading vesa
[ 114.110] (==) Depth 24 pixmap format is 32 bpp
[ 114.110] (II) intel(0): SNA initialized with Haswell (gen7.5, gt2) backend
[ 114.110] (==) intel(0): Backing store enabled
[ 114.110] (==) intel(0): Silken mouse enabled
[ 114.110] (II) intel(0): HW Cursor enabled
[ 114.110] (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message.
[ 114.111] (==) intel(0): DPMS enabled
[ 114.111] (II) intel(0): [DRI2] Setup complete
[ 114.111] (II) intel(0): [DRI2] DRI driver: i965
[ 114.111] (II) intel(0): [DRI2] VDPAU driver: i965
[ 114.111] (II) intel(0): direct rendering: DRI2 Enabled
[ 114.111] (==) intel(0): hotplug detection: "enabled"
[ 114.111] (--) RandR disabled
[ 114.114] (II) SELinux: Disabled on system
[ 114.118] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[ 114.118] (II) AIGLX: enabled GLX_ARB_create_context
[ 114.118] (II) AIGLX: enabled GLX_ARB_create_context_profile
[ 114.118] (II) AIGLX: enabled GLX_EXT_create_context_es2_profile
[ 114.118] (II) AIGLX: enabled GLX_INTEL_swap_event
[ 114.118] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[ 114.118] (II) AIGLX: enabled GLX_EXT_framebuffer_sRGB
[ 114.118] (II) AIGLX: enabled GLX_ARB_fbconfig_float
[ 114.118] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[ 114.118] (II) AIGLX: enabled GLX_ARB_create_context_robustness
[ 114.118] (II) AIGLX: Loaded and initialized i965
[ 114.118] (II) GLX: Initialized DRI2 GL provider for screen 0
[ 114.119] (II) intel(0): switch to mode 1360x768@60.0 on HDMI2 using pipe 0, position (0, 0), rotation normal, reflection none
[ 114.144] (II) intel(0): Setting screen physical size to 359 x 203
[ 114.163] (II) XKB: generating xkmfile /tmp/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
[ 114.176] (EE) Error compiling keymap (-)
[ 114.176] (EE) XKB: Couldn't compile keymap
[ 114.176] (EE) XKB: Failed to load keymap. Loading default keymap instead.
[ 114.177] (II) XKB: generating xkmfile /tmp/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
[ 114.179] (EE) Error compiling keymap (-)
[ 114.179] (EE) XKB: Couldn't compile keymap
[ 114.179] XKB: Failed to compile keymap
[ 114.179] Keyboard initialization failed. This could be a missing or incorrect setup of xkeyboard-config.
[ 114.179] (EE)
Fatal server error:
[ 114.179] (EE) Failed to activate core devices.(EE)
[ 114.179] (EE)
Please consult the The X.Org Foundation support
at
http://wiki.x.org
for help.
[ 114.179] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 114.179] (EE)
[ 114.179] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 114.202] (EE) Server terminated with error (1). Closing log file.