I installed a 295.49-0ubuntu0.1 deb via the link provided by Ben A,
changed my xorg.conf display driver from "nouveau" to "nvidia" and
rebooted. I got a text login screen and found a segfault in Xorg.0.log
(see below). Let me know if more from my log file would be useful.
[...]
[ 45.156] (II) NVIDIA(0): Setting mode "nvidia-auto-select"
[ 45.194] Backtrace:
[ 45.250] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f1149854856]
[ 45.250] 1: /usr/bin/X (0x7f11496cc000+0x18c6fa) [0x7f11498586fa]
[ 45.250] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f11489f2000+0xfcb0)
[0x7f1148a01cb0]
[ 45.250] 3: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
(0x7f114262d000+0x1024ab) [0x7f114272f4ab]
[...]
[ 45.250] 12: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
(0x7f114262d000+0x4a4591) [0x7f1142ad1591]
[ 45.250] 13: /usr/bin/X (AddScreen+0x171) [0x7f114971aad1]
[ 45.250] 14: /usr/bin/X (InitOutput+0x294) [0x7f114975a884]
[ 45.250] 15: /usr/bin/X (0x7f11496cc000+0x3d4dd) [0x7f11497094dd]
[ 45.250] 16: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed)
[0x7f114788776d]
[ 45.251] 17: /usr/bin/X (0x7f11496cc000+0x3d99d) [0x7f114970999d]
[ 45.251] Segmentation fault at address 0x30
[ 45.251] Caught signal 11 (Segmentation fault). Server aborting
[...]
Here was the output of "dpkg -l" at the time of the segfault:
[...]
ii nvidia-current 295.49-0ubuntu1~precise1
NVIDIA binary Xorg driver, kernel module and VDPAU library
I've since switched the xorg.conf display driver to "nouveau", run "apt-
get purge nvidia-current", and rebooted---I'm back to "normal".
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https://bugs.launchpad.net/bugs/980298
Title:
[nvidia 295.40] compiz crashed with SIGSEGV in GLWindow::glDraw() from
UnityMTGrabHandlesWindow::glDraw()
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