Also adding the output from the x-1.log which is referenced above cat x-1.log
X.Org X Server 1.11.3 Release Date: 2011-12-16 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.42-37-generic x86_64 Ubuntu Current Operating System: Linux blackbetty 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 Kernel command line: BOOT_IMAGE=/vmlinuz-3.2.0-58-generic root=UUID=UUID-WOZ-ERE a ro quiet splash vt.handoff=7 Build Date: 16 October 2013 04:41:23PM xorg-server 2:1.11.4-0ubuntu10.14 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.24.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.1.log", Time: Sun Jan 5 21:20:04 2014 (==) Using config file: "/etc/X11/xorg.conf" (==) Using system config directory "/usr/share/X11/xorg.conf.d" (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:17:0) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:18:0) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:18:1) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:18:2) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:19:0) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:19:1) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:19:2) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:20:0) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:20:1) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:20:2) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:20:3) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:20:4) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@0:20:5) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@1:5:1) found Fatal server error: AddScreen/ScreenInit failed for driver 0 Please consult the The X.Org Foundation support at http://wiki.x.org for help. Please also check the log file at "/var/log/Xorg.1.log" for additional information. ddxSigGiveUp: Closing log Server terminated with error (1). Closing log file. and finally since it mentions Xorg.1.log we see the following [ 23042.975] (II) fglrx(0): Kernel Module Build Time Information: [ 23042.975] (II) fglrx(0): Build-Kernel UTS_RELEASE: 3.2.0-58-generic [ 23042.975] (II) fglrx(0): Build-Kernel MODVERSIONS: no [ 23042.975] (II) fglrx(0): Build-Kernel __SMP__: yes [ 23042.975] (II) fglrx(0): Build-Kernel PAGE_SIZE: 0x1000 [ 23042.975] (II) fglrx(0): [uki] register handle = 0x00004000 [ 23042.975] (EE) fglrx(0): Not enough video memory to allocate primary surface (frame buffer). [ 23042.975] (II) fglrx(0): Shutdown CMMQS [ 23043.062] (II) fglrx(0): [uki] removed 1 reserved context for kernel [ 23043.062] (II) fglrx(0): [uki] unmapping 8192 bytes of SAREA 0xa4d6000 at 0x7f2283750000 [ 23043.062] (WW) fglrx(0): *********************************************************** [ 23043.062] (WW) fglrx(0): * DRI initialization failed * [ 23043.062] (WW) fglrx(0): * kernel module (fglrx.ko) may be missing or incompatible * [ 23043.062] (WW) fglrx(0): * 2D and 3D acceleration disabled * [ 23043.062] (WW) fglrx(0): *********************************************************** [ 23043.062] Fatal server error: [ 23043.062] AddScreen/ScreenInit failed for driver 0 [ 23043.062] [ 23043.062] Please consult the The X.Org Foundation support at http://wiki.x.org with 23042.975] (EE) fglrx(0): Not enough video memory to allocate primary surface (frame buffer). being the key line. my new Mobo comes with built in graphics (ASUS M5A78L-M/USb3) although its 128Mb ram which is greater than what I had in the past, so now more confused. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1001221 Title: 12.04 black screen with blinking cursor when switching users To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1001221/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
