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I've got an annoying problem with Ubuntu 12.10 64 Bit (again).

After updating the system via the 'Software Updater' I am unable to login into the Ubuntu standard desktop (unity). Instead the screen gets blank and I'm going right back to the lightdm login console. Here is my history of apt-get:

Start-Date: 2012-12-06  16:34:55
Commandline: aptdaemon role='role-commit-packages' sender=':1.74'
Upgrade: libcupsppdc1:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
libcompizconfig0:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
compiz-plugins-default:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
bind9-host:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
libcupsimage2:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
libcupscgi1:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
python-compizconfig:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
dnsutils:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
xserver-xorg-core:amd64 (1.13.0-0ubuntu61.13.0-0ubuntu6.1)
xserver-common:amd64 (1.13.0-0ubuntu61.13.0-0ubuntu6.1)
cups-client:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
libdns81:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
libisccc80:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
compizconfig-backend-gconf:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
cups-ppdc:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
liblwres80:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
libcups2:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
libcups2:i386 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
compiz-gnome:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
libxml2:amd64 (2.8.0+dfsg1-5ubuntu22.8.0+dfsg1-5ubuntu2.1)
libxml2:i386 (2.8.0+dfsg1-5ubuntu22.8.0+dfsg1-5ubuntu2.1)
libbind9-80:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
cups:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
indicator-appmenu:amd64 (12.10.3-0ubuntu212.10.3-0ubuntu2.1)
compizconfig-settings-manager:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
xserver-xephyr:amd64 (1.13.0-0ubuntu61.13.0-0ubuntu6.1)
cups-bsd:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
libtiff4:amd64 (3.9.6-9ubuntu13.9.6-9ubuntu1.2)
libtiff4:i386 (3.9.6-9ubuntu13.9.6-9ubuntu1.2)
libdecoration0:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
libisccfg82:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
indicator-datetime:amd64 (12.10.2-0ubuntu312.10.2-0ubuntu3.1)
compiz:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
compiz-plugins-main-default:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
libcupsmime1:amd64 (1.6.1-0ubuntu111.6.1-0ubuntu11.3)
libisc83:amd64 (9.8.1.dfsg.P1-4.2ubuntu39.8.1.dfsg.P1-4.2ubuntu3.1)
compiz-core:amd64 (0.9.8.4+bzr3407-0ubuntu10.9.8.4+bzr3412-0ubuntu0.1)
python-libxml2:amd64 (2.8.0+dfsg1-5ubuntu22.8.0+dfsg1-5ubuntu2.1)

End-Date: 2012-12-06  16:35:18



Start-Date: 2012-12-07  11:24:00

Commandline: aptdaemon role='role-commit-packages' sender=':1.114'
Upgrade: libunity9:amd64 (6.10.0-0ubuntu16.12.0-0ubuntu0.1)
appmenu-gtk:amd64 (12.10.2-0ubuntu112.10.2-0ubuntu1.2)
gnome-system-log:amd64 (3.6.0-0ubuntu13.6.0-0ubuntu1.1)
skype:amd64 (4.1.0.20.0-0ubuntu0.12.04.14.1.0.20.0-0ubuntu0.12.04.2)
gir1.2-unity-5.0:amd64 (6.10.0-0ubuntu16.12.0-0ubuntu0.1)
appmenu-gtk3:amd64 (12.10.2-0ubuntu112.10.2-0ubuntu1.2)
libunity-protocol-private0:amd64 (6.10.0-0ubuntu16.12.0-0ubuntu0.1)
skype-bin:i386 (4.1.0.20.0-0ubuntu0.12.04.14.1.0.20.0-0ubuntu0.12.04.2)

End-Date: 2012-12-07  11:24:07

The problems appeared after the updates of the 6th December. Furthermore here are some logs which are generated during the login process:

/var/log/syslog:4707:Dec  7 12:53:36 stefan-desktop kernel: [    1.807446] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
/var/log/syslog:4712:Dec  7 12:53:36 stefan-desktop kernel: [    1.830307] ACPI Warning: 0x0000000000000460-0x000000000000047f SystemIO conflicts with Region \PMIO 1 (20120320/utaddress-251)
/var/log/syslog:4715:Dec  7 12:53:36 stefan-desktop kernel: [    1.830314] ACPI Warning: 0x0000000000000428-0x000000000000042f SystemIO conflicts with Region \PMIO 1 (20120320/utaddress-251)
/var/log/syslog:4717:Dec  7 12:53:36 stefan-desktop kernel: [    1.830318] ACPI Warning: 0x0000000000000500-0x000000000000053f SystemIO conflicts with Region \GPR2 1 (20120320/utaddress-251)
/var/log/syslog:4718:Dec  7 12:53:36 stefan-desktop kernel: [    1.830320] ACPI Warning: 0x0000000000000500-0x000000000000053f SystemIO conflicts with Region \GPIO 2 (20120320/utaddress-251)
/var/log/syslog:4896:Dec  7 12:53:36 stefan-desktop kernel: [    2.853470] WARNING: at /build/buildd/linux-3.5.0/arch/x86/mm/ioremap.c:102 __ioremap_caller+0x335/0x380()
/var/log/syslog:5033:Dec  7 12:53:39 stefan-desktop NetworkManager[985]: <error> [1354881219.10579] [nm-dns-dnsmasq.c:390] update(): dnsmasq not available on the bus, can't update servers.
/var/log/syslog:5034:Dec  7 12:53:39 stefan-desktop NetworkManager[985]: <error> [1354881219.10606] [nm-dns-dnsmasq.c:392] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
/var/log/syslog:5040:Dec  7 12:53:39 stefan-desktop dnsmasq[2046]: warning: no upstream servers configured
/var/log/syslog:5077:Dec  7 12:55:14 stefan-desktop gnome-session[2514]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.#012
/var/log/syslog:5082:Dec  7 12:55:14 stefan-desktop pulseaudio[2625]: [pulseaudio] main.c: Failed to acquire org.PulseAudio1: org.freedesktop.DBus.Error.Disconnected: Connection is closed
/var/log/syslog:5100:Dec  7 12:57:10 stefan-desktop gnome-session[2992]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.#012
/var/log/syslog:5106:Dec  7 12:57:10 stefan-desktop pulseaudio[3116]: [pulseaudio] main.c: Failed to acquire org.PulseAudio1: org.freedesktop.DBus.Error.Disconnected: Connection is closed

.xsession-errors:5:gnome-session[2992]: WARNING: Failed to start app: Unable to start application: Failed to execute child process "/home/stefan/Documents/Backupscript/ter.sh" (No such file or directory)
.xsession-errors:11:X Error of failed request:  BadWindow (invalid Window parameter)
.xsession-errors:20:(bluetooth-applet:3083): Gdk-WARNING **: bluetooth-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
.xsession-errors:22:gnome-session[2992]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
.xsession-errors:24:XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
.xsession-errors:27:(gnome-fallback-mount-helper:3087): Gdk-WARNING **: gnome-fallback-mount-helper: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
.xsession-errors:30:(polkit-gnome-authentication-agent-1:3084): Gdk-WARNING **: polkit-gnome-authentication-agent-1: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
.xsession-errors:33:(nautilus:3086): Gdk-WARNING **: nautilus: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
.xsession-errors:36:(nm-applet:3100): Gdk-WARNING **: nm-applet: Fatal IO error 0 (Success) on X server :0.
.xsession-errors:39:** (gnome-settings-daemon:3053): WARNING **: Failed to connect context: Connection refused
.xsession-errors:41:(gnome-settings-daemon:3053): Gdk-WARNING **: gnome-settings-daemon: Fatal IO error 2 (No such file or directory) on X server :0.

I've collected the logs with:

sudo grep 'warning\|segfault\|oops\|error' -iHnr /var/log/dmesg /var/log/syslog /var/log/kern.log /var/log/Xorg.0.log .xsession-errors > mylog.txt

and the two parts above seems to be the only interesting ones. If any other information are necessary just ask.

Thanks for every help!

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1 Answer 1

Can't comment because I don't have enought reputation, putting up an answer instead.

I had the same problem, which I found out was due to the graphics drivers. The 12.10 update installed the default ATI drivers which are not compatible with my ATI Readeon HD 3600. If you have an ATI card, try the procedure described in the answer here:

ATI/AMD proprietary FGLRX graphics install fails, how can I resolve the problem?

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