seg fault in Fedora 25 with all desktop managers marco error 4 in libX11-xcb.so.1.0.0

Wed Apr 5 18:25:41 UTC 2017

>>Can you "startx" as root? (Afterwards I'm out of ideas, sorry)

Here’s what happens, segfault again:
X.Org X Server 1.19.3
Release Date: 2017-03-15
[   649.295] X Protocol Version 11, Revision 0
[   649.295] Build Operating System:  4.10.1-1.fc25.x86_64 
[   649.295] Current Operating System: Linux xxx 4.10.8-200.fc25.i686+PAE #1 SMP Fri Mar 31 13:40:49 UTC 2017 i686
[   649.295] Kernel command line: BOOT_IMAGE=/vmlinuz-4.10.8-200.fc25.i686+PAE root=/dev/mapper/vg_xxx-lv_root ro rd.md=0 rd.dm=0 SYSFONT=True KEYTABLE=us rd.lvm.lv=vg_xxx/lv_swap rd.luks=0 rd.lvm.lv=vg_xxx/lv_root LANG=en_US.UTF-8 elevator=noop zswap.enabled=1 transparent_hugepage=madvise iomem=relaxed agp=off noapic nolapic
[   649.296] Build Date: 15 March 2017  06:37:40PM
[   649.296] Build ID: xorg-x11-server 1.19.3-1.fc25 
[   649.296] Current version of pixman: 0.34.0
[   649.296] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[   649.296] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   649.296] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Apr  5 14:19:28 2017
[   649.297] (==) Using config directory: "/etc/X11/xorg.conf.d"
[   649.297] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[   649.297] (==) No Layout section.  Using the first Screen section.
[   649.297] (==) No screen section available. Using defaults.
[   649.297] (**) |-->Screen "Default Screen Section" (0)
[   649.297] (**) |   |-->Monitor "<default monitor>"
[   649.298] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[   649.298] (==) Automatically adding devices
[   649.298] (==) Automatically enabling devices
[   649.298] (==) Automatically adding GPU devices
[   649.298] (==) Automatically binding GPU devices
[   649.298] (==) Max clients allowed: 256, resource mask: 0x1fffff
[   649.298] (==) FontPath set to:
	catalogue:/etc/X11/fontpath.d,
	built-ins
[   649.298] (==) ModulePath set to "/usr/lib/xorg/modules"
[   649.298] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[   649.298] (II) Loader magic: 0x828c720
[   649.298] (II) Module ABI versions:
[   649.298] 	X.Org ANSI C Emulation: 0.4
[   649.298] 	X.Org Video Driver: 23.0
[   649.298] 	X.Org XInput driver : 24.1
[   649.298] 	X.Org Server Extension : 10.0
[   649.300] (--) using VT number 2

[   649.300] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[   649.302] (II) xfree86: Adding drm device (/dev/dri/card0)
[   649.302] (II) no primary bus or device found
[   649.302] 	falling back to /sys/devices/pci0000:00/0000:00:1e.0/0000:09:0d.0/drm/card0
[   649.302] (II) LoadModule: "glx"
[   649.303] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[   649.307] (II) Module glx: vendor="X.Org Foundation"
[   649.307] 	compiled for 1.19.3, module version = 1.0.0
[   649.307] 	ABI class: X.Org Server Extension, version 10.0
[   649.307] (==) Matched modesetting as autoconfigured driver 0
[   649.307] (==) Matched fbdev as autoconfigured driver 1
[   649.307] (==) Matched vesa as autoconfigured driver 2
[   649.307] (==) Assigned the driver to the xf86ConfigLayout
[   649.307] (II) LoadModule: "modesetting"
[   649.307] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[   649.307] (II) Module modesetting: vendor="X.Org Foundation"
[   649.307] 	compiled for 1.19.3, module version = 1.19.3
[   649.308] 	Module class: X.Org Video Driver
[   649.308] 	ABI class: X.Org Video Driver, version 23.0
[   649.308] (II) LoadModule: "fbdev"
[   649.308] (WW) Warning, couldn't open module fbdev
[   649.308] (II) UnloadModule: "fbdev"
[   649.308] (II) Unloading fbdev
[   649.308] (EE) Failed to load module "fbdev" (module does not exist, 0)
[   649.308] (II) LoadModule: "vesa"
[   649.308] (WW) Warning, couldn't open module vesa
[   649.308] (II) UnloadModule: "vesa"
[   649.309] (II) Unloading vesa
[   649.309] (EE) Failed to load module "vesa" (module does not exist, 0)
[   649.309] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[   649.309] (WW) xf86OpenConsole: setpgid failed: Operation not permitted
[   649.309] (WW) xf86OpenConsole: setsid failed: Operation not permitted
[   649.321] (II) modeset(0): using drv /dev/dri/card0
[   649.321] (EE) 
[   649.321] (EE) Backtrace:
[   649.322] (EE) 0: /usr/libexec/Xorg (OsLookupColor+0x136) [0x8202cb6]
[   649.323] (EE) 1: ? (?+0x136) [0xb7714e45]
[   649.323] (EE) 2: /lib/libpciaccess.so.0 (pci_device_next+0xf0) [0xb7436290]
[   649.324] (EE) 3: /lib/libpciaccess.so.0 (pci_device_find_by_slot+0x58) [0xb7436358]
[   649.325] (EE) 4: /lib/libpciaccess.so.0 (pci_device_vgaarb_init+0xd7) [0xb74387a7]
[   649.325] (EE) 5: /usr/libexec/Xorg (xf86ConfigPciEntity+0x4265) [0x80e4815]
[   649.325] (EE) 6: /usr/libexec/Xorg (xf86BusConfig+0xe8) [0x80b7868]
[   649.326] (EE) 7: /usr/libexec/Xorg (InitOutput+0xabd) [0x80c695d]
[   649.326] (EE) 8: /usr/libexec/Xorg (InitFonts+0x2aa) [0x807eb1a]
[   649.327] (EE) 9: /usr/libexec/Xorg (miPolyFillRect+0x2db) [0x8066e4b]
[   649.327] (EE) 10: /lib/libc.so.6 (__libc_start_main+0xf6) [0xb70421c6]
[   649.328] (EE) 11: /usr/libexec/Xorg (_start+0x21) [0x8066be6]
[   649.328] (EE) 
[   649.328] (EE) Segmentation fault at address 0x0
[   649.328] (EE) 
Fatal server error:
[   649.328] (EE) Caught signal 11 (Segmentation fault). Server aborting
[   649.328] (EE) 

> 
> I wonder of noapic or nolapic would help?

Just tried:
GRUB_CMDLINE_LINUX="rd.md=0 rd.dm=0 SYSFONT=True  KEYTABLE=us rd.lvm.lv=vg_curie/lv_swap rd.luks=0 rd.lvm.lv=vg_curie/lv_root LANG=en_US.UTF-8 elevator=noop zswap.enabled=1 transparent_hugepage=madvise iomem=relaxed agp=off noapic nolapic"

Ran grub2-mkconfig -o /boot/grub2/grub.cfg, rebooted and still:

Apr  5 14:22:50 curie systemd-coredump: Process 2655 (Xorg) of user 0 dumped core.#012#012Stack trace of thread 2655:#012#0  0x00000000b773acf9 __kernel_vsyscall (linux-gate.so.1)#012#1  0x00000000b707e9a0 raise (libc.so.6)#012#2  0x00000000b7080067 abort (libc.so.6)#012#3  0x0000000008205f9a OsAbort (Xorg)#012#4  0x00000000080c4afc ddxGiveUp (Xorg)#012#5  0x00000000080c4b9b AbortDDX (Xorg)#012#6  0x000000000820c6f2 AbortServer (Xorg)#012#7  0x000000000820d10f FatalError (Xorg)#012#8  0x0000000008202c18 OsSigHandler (Xorg)#012#9  0x00000000b773ad10 __kernel_rt_sigreturn (linux-gate.so.1)#012#10 0x00000000b745c290 pci_device_next (libpciaccess.so.0)#012#11 0x00000000b745c358 pci_device_find_by_slot (libpciaccess.so.0)#012#12 0x00000000b745e7a7 pci_device_vgaarb_init (libpciaccess.so.0)#012#13 0x00000000080e05c5 xf86VGAarbiterInit (Xorg)#012#14 0x00000000080b7868 xf86BusConfig (Xorg)#012#15 0x00000000080c695d InitOutput (Xorg)#012#16 0x000000000807eaca dix_main (Xorg)#012#17 0x0000000008066b9f main (Xorg)#012#18 0x00000000b70681c6 __libc_start_main (libc.so.6)#012#19 0x0000000008066bc5 _start (Xorg)

> If he has an empty expansion slot, he may need to put a newer video card in it order to keep the old server online with Xorg.

Are there any suitable alternatives to Xorg?

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