You are right, I started X using startx (without lightdm) and it crashed as well:
Backtrace: 0: /usr/bin/X (xorg_backtrace+0x37) [0xf05f87] 1: /usr/bin/X (0xd7e000+0x18bd0a) [0xf09d0a] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xaa640c] 3: /usr/bin/X (XkbComputeControlsNotify+0x123) [0xeb7bf3] 4: /usr/bin/X (0xd7e000+0x12e162) [0xeac162] 5: /usr/bin/X (0xd7e000+0x130e8a) [0xeaee8a] 6: /usr/bin/X (0xd7e000+0x37845) [0xdb5845] 7: /usr/bin/X (0xd7e000+0x2529a) [0xda329a] 8: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0x4604d3] 9: /usr/bin/X (0xd7e000+0x255d9) [0xda35d9] Segmentation fault at address 0x6bb Caught signal 11 (Segmentation fault). Server aborting What else can I do to help with resolution of the bug? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/990914 Title: segmentation fault when running xkbcomp To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/990914/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp