Comment 25 for bug 292214

Yeah I got the same issue... didnt really try to troubleshoot other than look through the log files.

(II) Loading /usr/lib/xorg/modules//libvgahw.so
(II) Module vgahw: vendor="X.Org Foundation"
 compiled for 1.5.2, module version = 0.1.0
 ABI class: X.Org Video Driver, version 4.1
(--) MGA(0): Chipset: "mgag400" (G450)
(II) MGA(0): Creating default Display subsection in Screen section
 "Default Screen" for depth/fbbpp 24/32
(==) MGA(0): Depth 24, (==) framebuffer bpp 32
(==) MGA(0): RGB weight 888
(==) MGA(0): Using AGP 1x mode
(==) MGA(0): Using HW cursor
(==) MGA(0): Using XAA acceleration
(--) MGA(0): Linear framebuffer at 0xF8000000
(--) MGA(0): MMIO registers at 0xE0100000
(--) MGA(0): Pseudo-DMA transfer window at 0xE0800000
(--) MGA(0): Video BIOS info block at offset 0x07720
(II) MGA(0): MAPPED Framebuffer F8000000 2000000 to 0xb5b80000.

Backtrace:
0: /usr/X11R6/bin/X(xf86SigHandler+0x79) [0x80c3009]
1: [0xb80e3400]
2: /usr/lib/xorg/modules/drivers//mga_drv.so [0xb7b91c51]
3: /usr/X11R6/bin/X(InitOutput+0x96f) [0x80aac9f]
4: /usr/X11R6/bin/X(main+0x279) [0x8071b19]
5: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7cec685]
6: /usr/X11R6/bin/X [0x8071101]
Saw signal 11. Server aborting.