Bug 1321371

Summary: Running either the Unity3D engine or editor results in constant crashes
Product: [Fedora] Fedora Reporter: ell1e <el>
Component: xorg-x11-serverAssignee: X/OpenGL Maintenance List <xgl-maint>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: unspecified    
Version: 23CC: xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-12-20 19:39:20 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
Xorg.0.log
none
glxinfo on the affected machine none

Description ell1e 2016-03-25 20:22:01 UTC 
Created attachment 1140455 [details]
Xorg.0.log

Description of problem:
Running either the Unity3D engine or editor results in constant crashes of the session (similar effect to a gdm restart) which seem to be caused by Xorg.

The Xorg log contains messages like this one: "[  1471.242] (WW) xf86CloseConsole: KDSETMODE failed: Input/output error" 

I have also noticed that all of the TTYs seem to randomly stop working which I guess might be connected - I can still switch to them but I'm seeing the boot text in wrong yellow colors stuck and no actual login.


Version-Release number of selected component (if applicable):
[root@falcon unity]# Xorg -version

X.Org X Server 1.18.1
Release Date: 2016-02-08
X Protocol Version 11, Revision 0
Build Operating System:  4.3.5-300.fc23.x86_64 
Current Operating System: Linux falcon 4.4.5-300.fc23.x86_64 #1 SMP Thu Mar 10 17:54:44 UTC 2016 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-4.4.5-300.fc23.x86_64 root=/dev/mapper/fedora-root ro rd.lvm.lv=fedora/root rd.luks.uuid=luks-beba15c4-0d61-454d-8df6-c7ea9b821fe3 rhgb quiet LANG=en_US.UTF-8
Build Date: 09 March 2016  05:53:36AM
Build ID: xorg-x11-server 1.18.1-3.fc23 
Current version of pixman: 0.34.0
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[root@falcon unity]# 

How reproducible:
Happens very reliably every 2-4 hours when running either the Unity3d editor or engine version 5.3.4f1 / linux x86_64. I have other Unity3d-based games installed through Valve's Steam which don't trigger this issue, so either it was caused recently by a change in Xorg or Kernel or it only happens with this new Unity3d version.

Steps to Reproduce:
1. Run the Unity3d editor
2. Bake static lightmaps in a larger level (this might or might not be related)
3. Move objects around and occasionally run the playtest

Actual results:
Xorg crashes out of nothing every 2-3 hours, but strictly correlating with either the Unity3d 5.3.4f1 editor or player running

Expected results:
Xorg doesn't crash

Additional info:
Comment 1 ell1e 2016-04-01 01:48:15 UTC 
Created attachment 1142440 [details]
glxinfo on the affected machine
Comment 2 ell1e 2016-04-16 03:38:21 UTC 
This is seriously starting to disrupt my work. I sometimes render music in Virtualbox and I have trouble finishing any of the processes because X is crashing all the time.

Do you still need some information from me to look into this?
Comment 3 Fedora End Of Life 2016-11-24 16:14:51 UTC 
This message is a reminder that Fedora 23 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 23. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
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Comment 4 Fedora End Of Life 2016-12-20 19:39:20 UTC 
Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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