Have exactly the same problem on my computer using a Nvidia Geforce4 MX 420 card. I'm using hardy and the nvidia driver: nvidia-glx 1:96.43.05+2.6.24.13-19.44. On logout I get a black screen. In this state, I can use alt+F2 and log on using the terminal and then startx to start the GUI.
Here is a the last 15 lines of my /var/log/Xorg.0.log.old: [EMAIL PROTECTED]:~$ tail /var/log/Xorg.0.log.old -n15 Error opening /dev/input/wacom : Success (II) Open ACPI successful (/var/run/acpid.socket) (II) APM registered successfully (II) NVIDIA(0): Initialized GART. (II) NVIDIA(0): Setting mode "[EMAIL PROTECTED]" Backtrace: 0: /usr/bin/X(xf86SigHandler+0x7e) [0x80c780e] 1: [0xb7fe2420] 2: /usr/lib/xorg/modules/drivers//nvidia_drv.so(_nv001216X+0xe5) [0xb71c9711] 3: [0x1] Fatal server error: Caught signal 11. Server aborting [EMAIL PROTECTED]:~$ -- nvidia_drv.so crash during X restart by kdm https://bugs.launchpad.net/bugs/202855 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs