Voici le résultat de la commande ---> #X -configure :  

X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.15.0-140-generic x86_64 Ubuntu
Current Operating System: Linux BuroPDC 4.4.0-127-generic #153+8.0trisquel2 SMP Tue May 22 10:35:18 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-127-generic root=UUID=bcaa93fb-745f-495f-8e58-5a93b6b2e6ae ro quiet splash vt.handoff=1
Build Date: 08 April 2021  01:57:21PM
xorg-server 2:1.19.6-1ubuntu4.9 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.34.0
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Aug 19 15:46:41 2021
(EE) 
(EE) Backtrace:
(EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4d) [0x564b452500cd]
(EE) 1: /usr/lib/xorg/Xorg (0x564b45097000+0x1bce69) [0x564b45253e69]
(EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f8971152000+0x12980) [0x7f8971164980]
(EE) 3: /usr/lib/xorg/Xorg (0x564b45097000+0xb2eab) [0x564b45149eab]
(EE) 4: /usr/lib/xorg/Xorg (xf86BusProbe+0x9) [0x564b45121e09]
(EE) 5: /usr/lib/xorg/Xorg (InitOutput+0x7f1) [0x564b45130a41]
(EE) 6: /usr/lib/xorg/Xorg (0x564b45097000+0x57873) [0x564b450ee873]
(EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x7f8970d82bf7]
(EE) 8: /usr/lib/xorg/Xorg (_start+0x2a) [0x564b450d873a]
(EE) 
(EE) Segmentation fault at address 0x50
(EE) 
Fatal server error:
(EE) Caught signal 11 (Segmentation fault). Server aborting
(EE) 
(EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
(EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
(EE) 
(EE) Server terminated with error (1). Closing log file.

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