X.Org X Server 1.20.0
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.17.0-ck1-00029-gb9d5b3ed9063 x86_64 Debian
Current Operating System: Linux nemesis 4.17.0-ck1-00029-gb9d5b3ed9063 #1 SMP PREEMPT Thu Jun 28 09:35:36 CEST 2018 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.17.0 root=/dev/sda2 ro quiet log_buf_len=1M
Build Date: 03 July 2018  09:57:19AM
xorg-server 2:1.20.0-4 (https://www.debian.org/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.1.log", Time: Fri Jul 13 11:36:00 2018
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(EE)
(EE) Backtrace:
(EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4a) [0x56102eedc7ca]
(EE) 1: /usr/lib/xorg/Xorg (0x56102ed28000+0x1b8479) [0x56102eee0479]
(EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fc20d61b000+0x11f50) [0x7fc20d62cf50]
(EE) 3: /usr/lib/xorg/Xorg (RRCrtcIsLeased+0x7) [0x56102ee42fb7]
(EE) 4: /usr/lib/xorg/Xorg (xf86CrtcSetModeTransform+0xac) [0x56102edf765c]
(EE) 5: /usr/lib/xorg/Xorg (xf86SetDesiredModes+0x1a1) [0x56102edf7cd1]
(EE) 6: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7fc209960000+0x10010) [0x7fc209970010]
(EE) 7: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7fc209960000+0x1034e) [0x7fc20997034e]
(EE) 8: /usr/lib/xorg/Xorg (0x56102ed28000+0xca90e) [0x56102edf290e]
(EE) 9: /usr/lib/xorg/Xorg (0x56102ed28000+0x608bd) [0x56102ed888bd]
(EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x7fc20d282a87]
(EE) 11: /usr/lib/xorg/Xorg (_start+0x2a) [0x56102ed726ca]
(EE)
(EE) Segmentation fault at address 0x8
(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.1.log" for additional information.
(EE)
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) AIGLX: Suspending AIGLX clients for VT switch
Error dropping master: -22(Invalid argument)
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) AIGLX: Suspending AIGLX clients for VT switch
Error dropping master: -22(Invalid argument)
(EE) Server terminated with error (1). Closing log file.