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Ubuntu 16.04 lightdm segmentation fault

Alex Zed
Alex Zed Published in 2017-12-07 17:55:23Z

I'm newbie into Linux world, and i have installed Ubuntu 16.04 LTS x64 with graphics driver for Cirrus Logic 5440 graphics card. What happened, I could not start X-server, Lightdm display manager breaks on segmentation fault caused by libc.so.6, this is part of Xorg0.log log file:

[   684.494] (EE) Backtrace:
[   684.494] (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x557fcc97c6ce]
[   684.494] (EE) 1: /usr/lib/xorg/Xorg (0x557fcc7ca000+0x1b6a69) [0x557fcc980a69]
[   684.494] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7f6db03c3000+0x354b0) [0x7f6db03f84b0]
[   684.494] (EE)
[   684.494] (EE) Segmentation fault at address 0x0
[   684.494] (EE) Fatal server error:
[   684.494] (EE) Caught signal 11 (Segmentation fault). Server aborting

Could someone help me, I can't see what is wrong. Libc is installed and exist in /lib and /lib64 directory. Thanks very much!

wanderer0810 Reply to 2017-12-07 18:40:27Z

This is a reported and fixed bug.

To fix it, run:

$ sudo apt-get install git

Install the dependent packages for OpenChrome

$ sudo apt-get build-dep xserver-xorg-video-openchrome

clone the OpenChrome repository to your device:

$ git clone git://anongit.freedesktop.org/openchrome/xf86-video-openchrome

After you finish cloning it, cd into it.

$ cd xf86-video-openchrome

Generate any needed scripts

$ ./autogen.sh --prefix=/usr --enable-debug --enable-xv-debug --enable-viaregtool

If there were no errors, compile OpenChrome

$ make
$ sudo make install
Alex Zed
Alex Zed Reply to 2017-12-11 12:42:36Z

After reinstalling lightdm everything works fine now. This is working great, I don't know why but it's working!

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