Code:
$ cat /var/log/Xorg.0.log
[...]
[ 2251.216] (EE) NVIDIA(GPU-1): Failed to initialize the NVIDIA GPU at PCI:2:0:0. Please
[ 2251.216] (EE) NVIDIA(GPU-1): check your system's kernel log for additional error
[ 2251.216] (EE) NVIDIA(GPU-1): messages and refer to Chapter 8: Common Problems in the
[ 2251.216] (EE) NVIDIA(GPU-1): README for additional information.
[ 2251.216] (EE) NVIDIA(GPU-1): Failed to initialize the NVIDIA graphics device!
[ 2251.216]
Backtrace:
[ 2251.216] 0: /usr/bin/X (xorg_backtrace+0x34) [0x4a26c4]
[ 2251.217] 1: /usr/bin/X (0x400000+0x621b7) [0x4621b7]
[ 2251.217] 2: /lib64/libc.so.6 (0x7f8541b88000+0x34230) [0x7f8541bbc230]
[ 2251.217] 3: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7f853d471000+0x3db24a) [0x7f853d84c24a]
[ 2251.217] 4: /usr/lib64/xorg/modules/drivers/nvidia_drv.so (0x7f853d471000+0x3d21d0) [0x7f853d8431d0]
[ 2251.217] 5: /usr/bin/X (AddScreen+0x1ab) [0x42dc5b]
[ 2251.217] 6: /usr/bin/X (InitOutput+0x2b2) [0x471f22]
[ 2251.217] 7: /usr/bin/X (0x400000+0x213a4) [0x4213a4]
[ 2251.217] 8: /lib64/libc.so.6 (__libc_start_main+0xfd) [0x7f8541ba6e7d]
[ 2251.217] 9: /usr/bin/X (0x400000+0x210f9) [0x4210f9]
[ 2251.217] Segmentation fault at address (nil)
[ 2251.217]
Fatal server error:
[ 2251.217] Caught signal 11 (Segmentation fault). Server aborting
[ 2251.217]
[ 2251.217]
Please consult the Fedora Project support
at http://wiki.x.org
for help.
[ 2251.217] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 2251.217]