Public bug reported:
Was searching for a method to disable DPMS via a custom
/etc/X11/xorg.conf file and discovered this bug. Under a fresh Ubuntu
18.04 minimal desktop installation, after stopping gdm3 and executing
"sudo X -configure" in /etc/X11 subdirectory to create an xorg.conf
file, this happens:
X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-119-generic x86_64 Ubuntu
Current Operating System: Linux {hostname} 4.15.0-20-generic #21-Ubuntu SMP Tue
Apr 24 06:16:15 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic
root=UUID=562f17d1-d033-4aa0-ba91-f8a04e7510a6 ro quiet splash vt.handoff=1
Build Date: 13 April 2018 08:07:36PM
xorg-server 2:1.19.6-1ubuntu4 (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: Mon May 21 11:26:02 2018
(EE)
(EE) Backtrace:
(EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4d) [0x564f083b08ad]
(EE) 1: /usr/lib/xorg/Xorg (0x564f081f8000+0x1bc649) [0x564f083b4649]
(EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fb92b9ca000+0x12890)
[0x7fb92b9dc890]
(EE) 3: /usr/lib/xorg/Xorg (0x564f081f8000+0xb2294) [0x564f082aa294]
(EE) 4: /usr/lib/xorg/Xorg (xf86BusProbe+0x9) [0x564f08282229]
(EE) 5: /usr/lib/xorg/Xorg (InitOutput+0x7f1) [0x564f08290e51]
(EE) 6: /usr/lib/xorg/Xorg (0x564f081f8000+0x56cd3) [0x564f0824ecd3]
(EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
[0x7fb92b5fab97]
(EE) 8: /usr/lib/xorg/Xorg (_start+0x2a) [0x564f08238b8a]
(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.
lsb_release -rd
Description: Ubuntu 18.04 LTS
Release : 18.04
apt-cache policy xorg
xorg:
Installed: 1:7.7+19ubuntu7
Candidate: 1:7.7+19ubuntu7
Version table:
*** 1:7.7+19ubuntu7 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
What I expected:
I expected "X -configure" to write a default xorg.conf file in
/etc/X11
What happened instead:
X binary crashed
Personal Note:
Will create ugly hack to solve my problem while this bug gets fixed.
Not holding my breathe, please add "you don't need an xorg.conf file"
comments below. :D
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
** Tags: dpms fault segfault segmentation xorg xorg.conf
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https://bugs.launchpad.net/bugs/1772498
Title:
Command "X -configure" segmentation fault
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