Bug 1310770

Summary: X server crashes and system reboots after disconnecting monitor on first graphical output(DP-1)
Product: Red Hat Enterprise Linux 6 Reporter: Tomas Hudziec <thudziec>
Component: xorg-x11-drv-nouveauAssignee: Ben Skeggs <bskeggs>
Status: CLOSED CURRENTRELEASE QA Contact: Desktop QE <desktop-qa-list>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.8CC: ajax, desktop-qa-list, tpelka
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1310765 Environment:
Last Closed: 2016-04-05 15:36:45 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:
Bug Depends On: 1310756, 1310765    
Bug Blocks:    
Attachments:
Description Flags
log before system reboot none

Description Tomas Hudziec 2016-02-22 15:58:39 UTC 
Created attachment 1129392 [details]
log before system reboot

+++ This bug was initially created as a clone of Bug #1310756 +++

Description of problem:
X server crashes and system reboots after disconnecting monitor on first graphical output(DP-1)

Version-Release number of selected component (if applicable):
xorg-x11-server-utils-7.7-14.el6.x86_64

How reproducible:
always

Steps to Reproduce:
1. have two monitors connected
2. disconnect monitor on first graphical output(DP-1)

Actual results:
X server crashes and system reboots

Expected results:
system displays only on remained monitor

Additional info:
graphics card: NVIDIA Corporation G98 [Quadro NVS 295]
Comment 2 Tomas Hudziec 2016-02-23 15:36:40 UTC 
when two monitors connected, black screen appears after this reboot after crash - system doesn't start correctly
Comment 3 Tomas Hudziec 2016-03-09 17:22:26 UTC 
xorg-x11-drv-nouveau-1.0.11-1.el6.x86_64
Comment 4 Tomas Pelka 2016-04-05 15:36:45 UTC 
Cant reproduce with 1.0.12 nouveau driver