Hi there,

Possible fix? At leasts works well for about 2 hours now:

» Kubuntu PRECISE (12.04) 64
» Intel I7
» 6 gb Ram
» GTX 560 Ti2 x2 in SLI
» xinerama (3 24" monitors) 

Installed newest NVIDIA proprietary driver (NVIDIA-Linux-x86_64-295.59.run)  + reboot

kdm restarted then X crashed:

Backtrace:
[   354.282] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f52ee814866]
[   354.282] 1: /usr/bin/X (0x7f52ee68c000+0x18c70a) [0x7f52ee81870a]
[   354.282] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f52ed9b2000+0xfcb0) [0x7f52ed9c1cb0]
[   354.282] 3: /usr/bin/X (0x7f52ee68c000+0x55558) [0x7f52ee6e1558]
[   354.282] 4: /usr/bin/X (DeliverRawEvent+0xad) [0x7f52ee6e95ed]
[   354.283] 5: /usr/bin/X (0x7f52ee68c000+0x11efe9) [0x7f52ee7aafe9]
[   354.283] 6: /usr/bin/X (0x7f52ee68c000+0x149eb1) [0x7f52ee7d5eb1]
[   354.283] 7: /usr/bin/X (mieqProcessDeviceEvent+0x1e1) [0x7f52ee7f5391]
[   354.283] 8: /usr/bin/X (0x7f52ee68c000+0x4620d) [0x7f52ee6d220d]
[   354.283] 9: /usr/bin/X (DisableDevice+0x88) [0x7f52ee6d3908]
[   354.283] 10: /usr/bin/X (RemoveDevice+0x218) [0x7f52ee6d3d48]
[   354.283] 11: /usr/bin/X (DeleteInputDeviceRequest+0x41) [0x7f52ee72bdc1]
[   354.283] 12: /usr/bin/X (0x7f52ee68c000+0x43d5c) [0x7f52ee6cfd5c]
[   354.283] 13: /usr/bin/X (0x7f52ee68c000+0x44301) [0x7f52ee6d0301]
[   354.283] 14: /usr/bin/X (0x7f52ee68c000+0x3d71c) [0x7f52ee6c971c]
[   354.283] 15: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f52ec84776d]
[   354.283] 16: /usr/bin/X (0x7f52ee68c000+0x3d99d) [0x7f52ee6c999d]
[   354.283] Segmentation fault at address 0xc0
[   354.283]
Caught signal 11 (Segmentation fault). Server aborting
[   354.283]
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[   354.283] Please also check the log file at "/var/log/Xorg.0.log" for additional information.

Then I apt-get update & apt-get upgrade, with this newest packages, since my station was shutdown since 2 weeks now, waiting for a possible fix. 

Packages updated: 

  adobe-flash-properties-gtk adobe-flashplugin apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-common apparmor apparmor-utils apt apt-transport-https apt-utils aptdaemon
  aptdaemon-data bind9-host dh-apparmor dnsutils firefox firefox-branding firefox-globalmenu firefox-locale-en firefox-locale-fr gir1.2-gtk-3.0 libapparmor-perl libapparmor1 libapt-inst1.4
  libapt-pkg4.12 libbind9-80 libclutter-1.0-0 libclutter-1.0-common libdns81 libgail-3-0 libglade2-0 libglib2.0-0 libglib2.0-0:i386 libglib2.0-bin libglib2.0-data libglib2.0-dev
  libgnutls-dev libgnutls-openssl27 libgnutls26 libgnutls26:i386 libgnutlsxx27 libgtk-3-0 libgtk-3-bin libgtk-3-common libisc83 libisccc80 libisccfg82 liblwres80 libmysqlclient-dev
  libmysqlclient18 libnautilus-extension1a libpam-winbind libpq-dev libpq5 libsmbclient libsyncdaemon-1.0-1 libwbclient0 linux-libc-dev mysql-client-core-5.5 mysql-common
  mysql-server-core-5.5 nautilus nautilus-data ntpdate python-aptdaemon python-aptdaemon-gtk python-aptdaemon.gtk3widgets python-aptdaemon.gtkwidgets python-ubuntuone-client
  python-ubuntuone-storageprotocol samba samba-common samba-common-bin smbclient ubuntuone-client virtualbox virtualbox-dkms virtualbox-ose virtualbox-ose-dkms virtualbox-ose-qt
  virtualbox-qt visualvm winbind xkb-data xserver-xorg-input-evdev xserver-xorg-input-vmmouse

Restarted kdm, loggued, working now for 2 hours

I encourage others here to download LATEST nvidia proprietary driver, upgrade every possible package (see there is xorg stuff, flash & others here...), and report if this fixes something for you or not.


Hope this helps !